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class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Eineinhalb-Syndrom" title="Eineinhalb-Syndrom – German" lang="de" hreflang="de" data-title="Eineinhalb-Syndrom" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/S%C3%ADndrome_del_uno_y_medio" title="Síndrome del uno y medio – Spanish" lang="es" hreflang="es" data-title="Síndrome del uno y medio" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%86%D8%B4%D8%A7%D9%86%DA%AF%D8%A7%D9%86_%DB%8C%DA%A9_%D9%88_%D9%86%DB%8C%D9%85" title="نشانگان یک و نیم – Persian" lang="fa" hreflang="fa" data-title="نشانگان یک و نیم" data-language-autonym="فارسی" 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style="background:#ccc">One and a half syndrome</th></tr><tr><th scope="row" class="infobox-label">Other names</th><td class="infobox-data">On-and-a-half syndrome</td></tr><tr style="background-color: #f8f9fa;"><td colspan="2" class="infobox-full-data"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:OHS_Diagram.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/OHS_Diagram.jpg/220px-OHS_Diagram.jpg" decoding="async" width="220" height="330" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/OHS_Diagram.jpg/330px-OHS_Diagram.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/OHS_Diagram.jpg/440px-OHS_Diagram.jpg 2x" data-file-width="640" data-file-height="960" /></a></span></td></tr><tr><td colspan="2" class="infobox-full-data">Diagram of normal eye movement compared to left one-and-a-half syndrome (i.e. left lateral gaze palsy, with left <a href="/wiki/Internuclear_ophthalmoplegia" title="Internuclear ophthalmoplegia">Internuclear ophthalmoplegia</a> (inability to adduct))</td></tr><tr><th scope="row" class="infobox-label">Causes</th><td class="infobox-data"> <ul><li><a href="/wiki/Demyelinating_disease" title="Demyelinating disease">Demyelinating disease</a>, e.g. <a href="/wiki/Multiple_sclerosis" title="Multiple sclerosis">Multiple sclerosis</a></li> <li><a href="/wiki/Infarction" title="Infarction">Infarction</a></li> <li><a href="/wiki/Infections" class="mw-redirect" title="Infections">Infections</a>, e.g. Brainstem encephalitis and Neurocysticercosis</li> <li>Tumours</li> <li><a href="/wiki/Arteriovenous_malformation" title="Arteriovenous malformation">Arteriovenous malformation</a></li> <li>Pontine haemorrhage</li> <li>Basilar artery aneurysms</li> <li>Trauma</li></ul> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Differential_diagnosis" title="Differential diagnosis">Differential diagnosis</a></th><td class="infobox-data"> <ul><li><a href="/wiki/Neuromyelitis_optica_spectrum_disorder" title="Neuromyelitis optica spectrum disorder">Neuromyelitis optica spectrum disorder</a></li> <li><a href="/wiki/Myasthenia_Gravis" class="mw-redirect" title="Myasthenia Gravis">Myasthenia Gravis</a></li></ul> </td></tr></tbody></table> <p>The <b> one and a half <a href="/wiki/Syndrome" title="Syndrome">syndrome</a></b> is a rare <a href="/wiki/Ophthalmoparesis" title="Ophthalmoparesis">weakness in eye movement</a> affecting both eyes, in which one cannot move laterally at all, and the other can move only in outward direction. More formally, it is characterized by "<i>a conjugate horizontal <a href="/wiki/Gaze_palsy" class="mw-redirect" title="Gaze palsy">gaze palsy</a> in one direction and an <a href="/wiki/Internuclear_ophthalmoplegia" title="Internuclear ophthalmoplegia">internuclear ophthalmoplegia</a> in the other</i>".<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Nystagmus" title="Nystagmus">Nystagmus</a> is also present when the eye on the opposite side of the lesion is abducted. Convergence is classically spared as cranial nerve III (oculomotor nerve) and its nucleus is spared bilaterally. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Causes">Causes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=One_and_a_half_syndrome&action=edit&section=1" title="Edit section: Causes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Causes of the one and a half syndrome include <a href="/wiki/Hemorrhagic_stroke" class="mw-redirect" title="Hemorrhagic stroke">pontine haemorrhage</a>, <a href="/wiki/Stroke" title="Stroke">ischemia</a>, <a href="/wiki/Cancer" title="Cancer">tumors</a>, infective mass lesions such as <a href="/wiki/Tuberculosis" title="Tuberculosis">tuberculomas</a>, demyelinating conditions like <a href="/wiki/Multiple_sclerosis" title="Multiple sclerosis">multiple sclerosis</a>, <a href="/wiki/Arteriovenous_malformation" title="Arteriovenous malformation">Arteriovenous malformation</a>, Basilar artery aneurysms and Trauma. <sup id="cite_ref-Custo_3-0" class="reference"><a href="#cite_note-Custo-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Anatomy">Anatomy</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=One_and_a_half_syndrome&action=edit&section=2" title="Edit section: Anatomy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:One_and_a_half_syndrome.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/One_and_a_half_syndrome.svg/250px-One_and_a_half_syndrome.svg.png" decoding="async" width="250" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/One_and_a_half_syndrome.svg/375px-One_and_a_half_syndrome.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/One_and_a_half_syndrome.svg/500px-One_and_a_half_syndrome.svg.png 2x" data-file-width="605" data-file-height="709" /></a><figcaption>Scheme showing anatomical location of lesions in one and a half syndrome.</figcaption></figure> <p>The syndrome usually results from single unilateral lesion of the <a href="/wiki/Paramedian_pontine_reticular_formation" title="Paramedian pontine reticular formation">paramedian pontine reticular formation</a> and the ipsilateral <a href="/wiki/Medial_longitudinal_fasciculus" title="Medial longitudinal fasciculus">medial longitudinal fasciculus</a>. An alternative anatomical cause is a lesion of the abducens nucleus (VI) on one side (resulting in a failure of abduction of the ipsilateral eye and adduction of the contralateral eye = conjugate gaze palsy towards affected side), with interruption of the ipsilateral <a href="/wiki/Medial_longitudinal_fasciculus" title="Medial longitudinal fasciculus">medial longitudinal fasciculus</a> after it has crossed the midline from its site of origin in the contralateral abducens (VI) nucleus (resulting in a failure of adduction of the ipsilateral eye). </p> <div class="mw-heading mw-heading2"><h2 id="Treatment">Treatment</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=One_and_a_half_syndrome&action=edit&section=3" title="Edit section: Treatment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>There have been cases of improvement in extra-ocular movement with <a href="/wiki/Botulinum_toxin" title="Botulinum toxin">botulinum toxin</a> injection.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Cases related to <a href="/wiki/Multiple_sclerosis" title="Multiple sclerosis">multiple sclerosis</a> sometimes subside with adequate treatment. <sup id="cite_ref-Custo_3-1" class="reference"><a href="#cite_note-Custo-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=One_and_a_half_syndrome&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Internuclear_ophthalmoplegia" title="Internuclear ophthalmoplegia">Internuclear ophthalmoplegia</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=One_and_a_half_syndrome&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFWallWray1983" class="citation journal cs1">Wall M, Wray S (1983). "The one-and-a-half syndrome--a unilateral disorder of the pontine tegmentum: a study of 20 cases and review of the literature". <i>Neurology</i>. <b>33</b> (8): 971–80. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1212%2Fwnl.33.8.971">10.1212/wnl.33.8.971</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/6683820">6683820</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:35636994">35636994</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Neurology&rft.atitle=The+one-and-a-half+syndrome--a+unilateral+disorder+of+the+pontine+tegmentum%3A+a+study+of+20+cases+and+review+of+the+literature.&rft.volume=33&rft.issue=8&rft.pages=971-80&rft.date=1983&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A35636994%23id-name%3DS2CID&rft_id=info%3Apmid%2F6683820&rft_id=info%3Adoi%2F10.1212%2Fwnl.33.8.971&rft.aulast=Wall&rft.aufirst=M&rft.au=Wray%2C+S&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOne+and+a+half+syndrome" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSiegelSapru2006" class="citation book cs1">Siegel A, Sapru HN (2006). <a rel="nofollow" class="external text" href="https://archive.org/details/essentialneurosc0000sieg/page/190"><i>Essential Neuroscience</i></a> (1st ed.). Baltimore, Maryland: Lippincott, Williams, & Wilkins. pp. <a rel="nofollow" class="external text" href="https://archive.org/details/essentialneurosc0000sieg/page/190">190–191</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-7817-9121-2" title="Special:BookSources/978-0-7817-9121-2"><bdi>978-0-7817-9121-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Essential+Neuroscience&rft.place=Baltimore%2C+Maryland&rft.pages=190-191&rft.edition=1st&rft.pub=Lippincott%2C+Williams%2C+%26+Wilkins&rft.date=2006&rft.isbn=978-0-7817-9121-2&rft.aulast=Siegel&rft.aufirst=A&rft.au=Sapru%2C+HN&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fessentialneurosc0000sieg%2Fpage%2F190&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOne+and+a+half+syndrome" class="Z3988"></span></span> </li> <li id="cite_note-Custo-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-Custo_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Custo_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCustoTaboneGrech2022" class="citation journal cs1">Custo, Scott; Tabone, Emma; Grech, Reuben (2 April 2022). <a rel="nofollow" class="external text" href="https://www.magonlinelibrary.com/doi/abs/10.12968/hmed.2021.0523?journalCode=hmed">"One-and-a-half syndrome as an initial presentation of multiple sclerosis"</a>. <i>British Journal of Hospital Medicine</i>. <b>83</b> (4): 1–3. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.12968%2Fhmed.2021.0523">10.12968/hmed.2021.0523</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/35506717">35506717</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=British+Journal+of+Hospital+Medicine&rft.atitle=One-and-a-half+syndrome+as+an+initial+presentation+of+multiple+sclerosis&rft.volume=83&rft.issue=4&rft.pages=1-3&rft.date=2022-04-02&rft_id=info%3Adoi%2F10.12968%2Fhmed.2021.0523&rft_id=info%3Apmid%2F35506717&rft.aulast=Custo&rft.aufirst=Scott&rft.au=Tabone%2C+Emma&rft.au=Grech%2C+Reuben&rft_id=https%3A%2F%2Fwww.magonlinelibrary.com%2Fdoi%2Fabs%2F10.12968%2Fhmed.2021.0523%3FjournalCode%3Dhmed&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOne+and+a+half+syndrome" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKipiotiTaylor2003" class="citation journal cs1">Kipioti A, Taylor R (2003). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1771745">"Botulinum toxin treatment of "one and a half syndrome"<span class="cs1-kern-right"></span>"</a>. <i>Br J Ophthalmol</i>. <b>87</b> (7): 918–9. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1136%2Fbjo.87.7.918-a">10.1136/bjo.87.7.918-a</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1771745">1771745</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/12812899">12812899</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Br+J+Ophthalmol&rft.atitle=Botulinum+toxin+treatment+of+%22one+and+a+half+syndrome%22&rft.volume=87&rft.issue=7&rft.pages=918-9&rft.date=2003&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC1771745%23id-name%3DPMC&rft_id=info%3Apmid%2F12812899&rft_id=info%3Adoi%2F10.1136%2Fbjo.87.7.918-a&rft.aulast=Kipioti&rft.aufirst=A&rft.au=Taylor%2C+R&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC1771745&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOne+and+a+half+syndrome" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.aesthetika.co.uk/treatments/botulinum-toxin-injections-commonly-referred-to-as-botox">"Botulinum toxin injections"</a>. www.aesthetika.co.uk<span class="reference-accessdate">. Retrieved <span class="nowrap">30 August</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Botulinum+toxin+injections&rft.pub=www.aesthetika.co.uk&rft_id=http%3A%2F%2Fwww.aesthetika.co.uk%2Ftreatments%2Fbotulinum-toxin-injections-commonly-referred-to-as-botox&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOne+and+a+half+syndrome" class="Z3988"></span></span> </li> </ol></div> <p><br /> </p> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl 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class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Eyelid" title="Eyelid">Eyelid</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Inflammation" scope="row" class="navbox-group" style="width:1%">Inflammation</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stye" title="Stye">Stye</a></li> <li><a href="/wiki/Chalazion" title="Chalazion">Chalazion</a></li> <li><a href="/wiki/Blepharitis" title="Blepharitis">Blepharitis</a></li> <li><a href="/wiki/Meibomian_gland_dysfunction" title="Meibomian gland dysfunction">Meibomian gland dysfunction</a></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Entropion" title="Entropion">Entropion</a></li> <li><a href="/wiki/Ectropion" title="Ectropion">Ectropion</a></li> <li><a href="/wiki/Lagophthalmos" title="Lagophthalmos">Lagophthalmos</a></li> <li><a href="/wiki/Blepharochalasis" title="Blepharochalasis">Blepharochalasis</a></li> <li><a href="/wiki/Ptosis_(eyelid)" title="Ptosis (eyelid)">Ptosis</a></li> <li><a href="/wiki/Blepharophimosis" title="Blepharophimosis">Blepharophimosis</a></li> <li><a href="/wiki/Xanthelasma" title="Xanthelasma">Xanthelasma</a></li> <li><a href="/wiki/Ankyloblepharon" title="Ankyloblepharon">Ankyloblepharon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Eyelash" title="Eyelash">Eyelash</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Trichiasis" title="Trichiasis">Trichiasis</a></li> <li><a href="/wiki/Madarosis" title="Madarosis">Madarosis</a></li> <li><a href="/wiki/Distichiasis" class="mw-redirect" title="Distichiasis">Distichiasis</a></li> <li><a href="/wiki/Trichomegaly" title="Trichomegaly">Trichomegaly</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lacrimal_apparatus" title="Lacrimal apparatus">Lacrimal apparatus</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dacryoadenitis" title="Dacryoadenitis">Dacryoadenitis</a></li> <li><a href="/wiki/Epiphora_(medicine)" title="Epiphora (medicine)">Epiphora</a></li> <li><a href="/wiki/Dacryocystitis" title="Dacryocystitis">Dacryocystitis</a></li> <li><a href="/wiki/Xerophthalmia" title="Xerophthalmia">Xerophthalmia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Orbit_(anatomy)" title="Orbit (anatomy)">Orbit</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Exophthalmos" title="Exophthalmos">Exophthalmos</a></li> <li><a href="/wiki/Enophthalmos" title="Enophthalmos">Enophthalmos</a></li> <li><a href="/wiki/Orbital_cellulitis" title="Orbital cellulitis">Orbital cellulitis</a></li> <li><a href="/wiki/Orbital_lymphoma" title="Orbital lymphoma">Orbital lymphoma</a></li> <li><a href="/wiki/Periorbital_cellulitis" title="Periorbital cellulitis">Periorbital cellulitis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Conjunctiva" title="Conjunctiva">Conjunctiva</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chemosis" title="Chemosis">Chemosis</a></li> <li><a href="/wiki/Conjunctivitis" title="Conjunctivitis">Conjunctivitis</a> <ul><li><a href="/wiki/Allergic_conjunctivitis" title="Allergic conjunctivitis">allergic</a></li></ul></li> <li><a href="/wiki/Pterygium_(conjunctiva)" class="mw-redirect" title="Pterygium (conjunctiva)">Pterygium</a></li> <li><a href="/wiki/Pseudopterygium" title="Pseudopterygium">Pseudopterygium</a></li> <li><a href="/wiki/Pinguecula" title="Pinguecula">Pinguecula</a></li> <li><a href="/wiki/Subconjunctival_bleeding" title="Subconjunctival bleeding">Subconjunctival hemorrhage</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Globe" style="font-size:114%;margin:0 4em"><a href="/wiki/Globe_(human_eye)" title="Globe (human eye)">Globe</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fibrous_tunic_of_eyeball" title="Fibrous tunic of eyeball">Fibrous tunic</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sclera" title="Sclera">Sclera</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Scleritis" title="Scleritis">Scleritis</a></li> <li><a href="/wiki/Episcleritis" title="Episcleritis">Episcleritis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cornea" title="Cornea">Cornea</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Keratitis" title="Keratitis">Keratitis</a> <ul><li><a href="/wiki/Herpetic_keratitis" class="mw-redirect" title="Herpetic keratitis">herpetic</a></li> <li><a href="/wiki/Acanthamoeba_keratitis" title="Acanthamoeba keratitis">acanthamoebic</a></li> <li><a href="/wiki/Fungal_keratitis" title="Fungal keratitis">fungal</a></li> <li><a href="/wiki/Exposure_keratitis" class="mw-redirect" title="Exposure keratitis">Exposure</a></li> <li><a href="/wiki/Photokeratitis" title="Photokeratitis">Photokeratitis</a></li></ul></li> <li><a href="/wiki/Corneal_ulcer" title="Corneal ulcer">Corneal ulcer</a></li> <li><a href="/wiki/Thygeson%27s_superficial_punctate_keratopathy" title="Thygeson's superficial punctate keratopathy">Thygeson's superficial punctate keratopathy</a></li> <li><a href="/wiki/Corneal_dystrophy" title="Corneal dystrophy">Corneal dystrophy</a> <ul><li><a href="/wiki/Fuchs%27_dystrophy" title="Fuchs' dystrophy">Fuchs'</a></li> <li><a href="/wiki/Meesmann_corneal_dystrophy" title="Meesmann corneal dystrophy">Meesmann</a></li></ul></li> <li><a href="/wiki/Corneal_ectatic_disorders" title="Corneal ectatic disorders">Corneal ectasia</a> <ul><li><a href="/wiki/Keratoconus" title="Keratoconus">Keratoconus</a></li> <li><a href="/wiki/Pellucid_marginal_degeneration" title="Pellucid marginal degeneration">Pellucid marginal degeneration</a></li> <li><a href="/wiki/Keratoglobus" title="Keratoglobus">Keratoglobus</a></li> <li><a href="/wiki/Terrien%27s_marginal_degeneration" title="Terrien's marginal degeneration">Terrien's marginal degeneration</a></li> <li><a href="/wiki/Post-LASIK_ectasia" title="Post-LASIK ectasia">Post-LASIK ectasia</a></li></ul></li> <li><a href="/wiki/Keratoconjunctivitis" title="Keratoconjunctivitis">Keratoconjunctivitis</a> <ul><li><a href="/wiki/Keratoconjunctivitis_sicca" class="mw-redirect" title="Keratoconjunctivitis sicca">sicca</a></li></ul></li> <li><a href="/wiki/Corneal_opacity" title="Corneal opacity">Corneal opacity</a></li> <li><a href="/wiki/Corneal_neovascularization" title="Corneal neovascularization">Corneal neovascularization</a></li> <li><a href="/wiki/Kayser%E2%80%93Fleischer_ring" title="Kayser–Fleischer ring">Kayser–Fleischer ring</a></li> <li><a href="/wiki/Haab%27s_striae" title="Haab's striae">Haab's striae</a></li> <li><a href="/wiki/Arcus_senilis" title="Arcus senilis">Arcus senilis</a></li> <li><a href="/wiki/Band_keratopathy" title="Band keratopathy">Band keratopathy</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Uvea" title="Uvea">Vascular tunic</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><div class="hlist"><ul><li><a href="/wiki/Iris_(anatomy)" title="Iris (anatomy)">Iris</a></li><li><a href="/wiki/Ciliary_body" title="Ciliary body">Ciliary body</a></li></ul></div></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Uveitis" title="Uveitis">Uveitis</a></li> <li><a href="/wiki/Intermediate_uveitis" title="Intermediate uveitis">Intermediate uveitis</a></li> <li><a href="/wiki/Hyphema" title="Hyphema">Hyphema</a></li> <li><a href="/wiki/Rubeosis_iridis" title="Rubeosis iridis">Rubeosis iridis</a></li> <li><a href="/wiki/Persistent_pupillary_membrane" title="Persistent pupillary membrane">Persistent pupillary membrane</a></li> <li><a href="/wiki/Iridodialysis" title="Iridodialysis">Iridodialysis</a></li> <li><a href="/wiki/Synechia_(eye)" title="Synechia (eye)">Synechia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Choroid" title="Choroid">Choroid</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Choroideremia" title="Choroideremia">Choroideremia</a></li> <li><a href="/wiki/Choroiditis" class="mw-redirect" title="Choroiditis">Choroiditis</a> <ul><li><a href="/wiki/Chorioretinitis" title="Chorioretinitis">Chorioretinitis</a></li></ul></li> <li><a href="/wiki/Focal_choroidal_excavation" title="Focal choroidal excavation">Focal choroidal excavation</a></li> <li><a href="/wiki/Polypoidal_choroidal_vasculopathy" title="Polypoidal choroidal vasculopathy">Polypoidal choroidal vasculopathy</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lens_(anatomy)" class="mw-redirect" title="Lens (anatomy)">Lens</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cataract" title="Cataract">Cataract</a> <ul><li><a href="/wiki/Congenital_cataract" title="Congenital cataract">Congenital cataract</a></li> <li><a href="/wiki/Childhood_cataract" title="Childhood cataract">Childhood cataract</a></li></ul></li> <li><a href="/wiki/Aphakia" title="Aphakia">Aphakia</a></li> <li><a href="/wiki/Ectopia_lentis" title="Ectopia lentis">Ectopia lentis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Retinal_disease" class="mw-redirect" title="Retinal disease">Retina</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Retinitis" title="Retinitis">Retinitis</a> <ul><li><a href="/wiki/Chorioretinitis" title="Chorioretinitis">Chorioretinitis</a></li> <li><a href="/wiki/Cytomegalovirus_retinitis" title="Cytomegalovirus retinitis">Cytomegalovirus retinitis</a></li></ul></li> <li><a href="/wiki/Retinal_detachment" title="Retinal detachment">Retinal detachment</a> <ul><li><a href="/wiki/Posterior_vitreous_detachment" title="Posterior vitreous detachment">Posterior vitreous detachment</a></li></ul></li> <li><a href="/wiki/Retinoschisis" title="Retinoschisis">Retinoschisis</a></li> <li><a href="/wiki/Ocular_ischemic_syndrome" title="Ocular ischemic syndrome">Ocular ischemic syndrome</a> / <a href="/wiki/Central_retinal_vein_occlusion" title="Central retinal vein occlusion">Central retinal vein occlusion</a></li> <li><a href="/wiki/Central_retinal_artery_occlusion" title="Central retinal artery occlusion">Central retinal artery occlusion</a></li> <li><a href="/wiki/Branch_retinal_artery_occlusion" title="Branch retinal artery occlusion">Branch retinal artery occlusion</a></li> <li><a href="/wiki/Retinopathy" title="Retinopathy">Retinopathy</a> <ul><li><a href="/wiki/Diabetic_retinopathy" title="Diabetic retinopathy">diabetic</a></li> <li><a href="/wiki/Hypertensive_retinopathy" title="Hypertensive retinopathy">hypertensive</a></li> <li><a href="/wiki/Purtscher%27s_retinopathy" title="Purtscher's retinopathy">Purtscher's</a></li> <li><a href="/wiki/Retinopathy_of_prematurity" title="Retinopathy of prematurity">of prematurity</a></li> <li><a href="/wiki/Bietti%27s_crystalline_dystrophy" title="Bietti's crystalline dystrophy">Bietti's crystalline dystrophy</a></li> <li><a href="/wiki/Coats%27_disease" title="Coats' disease">Coats' disease</a></li> <li><a href="/wiki/Sickle_cell_retinopathy" title="Sickle cell retinopathy">Sickle cell</a></li> <li><a href="/wiki/Photic_retinopathy" title="Photic retinopathy">photic</a></li></ul></li> <li><a href="/wiki/Macular_degeneration" title="Macular degeneration">Macular degeneration</a></li> <li><a href="/wiki/Retinitis_pigmentosa" title="Retinitis pigmentosa">Retinitis pigmentosa</a></li> <li><a href="/wiki/Retinal_haemorrhage" title="Retinal haemorrhage">Retinal haemorrhage</a></li> <li><a href="/wiki/Central_serous_retinopathy" class="mw-redirect" title="Central serous retinopathy">Central serous retinopathy</a></li> <li><a href="/wiki/Macular_edema" title="Macular edema">Macular edema</a></li> <li><a href="/wiki/Epiretinal_membrane" title="Epiretinal membrane">Epiretinal membrane</a> (Macular pucker)</li> <li><a href="/wiki/Vitelliform_macular_dystrophy" title="Vitelliform macular dystrophy">Vitelliform macular dystrophy</a></li> <li><a href="/wiki/Leber%27s_congenital_amaurosis" class="mw-redirect" title="Leber's congenital amaurosis">Leber's congenital amaurosis</a></li> <li><a href="/wiki/Birdshot_chorioretinopathy" title="Birdshot chorioretinopathy">Birdshot chorioretinopathy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glaucoma" title="Glaucoma">Glaucoma</a> / <a href="/wiki/Ocular_hypertension" title="Ocular hypertension">Ocular hypertension</a> / <a href="/wiki/Primary_juvenile_glaucoma" class="mw-redirect" title="Primary juvenile glaucoma">Primary juvenile glaucoma</a></li> <li><a href="/wiki/Floater" title="Floater">Floater</a></li> <li><a href="/wiki/Leber%27s_hereditary_optic_neuropathy" title="Leber's hereditary optic neuropathy">Leber's hereditary optic neuropathy</a></li> <li><a href="/wiki/Ocular_hypotony" title="Ocular hypotony">Ocular hypotony</a></li> <li><a href="/wiki/Red_eye_(medicine)" title="Red eye (medicine)">Red eye</a></li> <li><a href="/wiki/Globe_rupture" title="Globe rupture">Globe rupture</a></li> <li><a href="/wiki/Fungal_keratitis" title="Fungal keratitis">Keratomycosis</a></li> <li><a href="/wiki/Phthisis_bulbi" title="Phthisis bulbi">Phthisis bulbi</a></li> <li><a href="/wiki/Persistent_fetal_vasculature" title="Persistent fetal vasculature">Persistent fetal vasculature</a></li> <li><a href="/wiki/Persistent_tunica_vasculosa_lentis" title="Persistent tunica vasculosa lentis">Persistent tunica vasculosa lentis</a></li> <li><a href="/wiki/Familial_exudative_vitreoretinopathy" title="Familial exudative vitreoretinopathy">Familial exudative vitreoretinopathy</a></li> <li><a href="/wiki/Vogt-Koyanagi-Harada_disease" class="mw-redirect" title="Vogt-Koyanagi-Harada disease">Vogt-Koyanagi-Harada disease</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Pathways" style="font-size:114%;margin:0 4em"><a href="/wiki/Visual_system" title="Visual system">Pathways</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Optic_nerve" title="Optic nerve">Optic nerve</a><br /><a href="/wiki/Optic_disc" title="Optic disc">Optic disc</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Optic_neuritis" title="Optic neuritis">Optic neuritis</a> <ul><li><a href="/wiki/Optic_papillitis" title="Optic papillitis">optic papillitis</a></li></ul></li> <li><a href="/wiki/Papilledema" title="Papilledema">Papilledema</a> <ul><li><a href="/wiki/Foster_Kennedy_syndrome" title="Foster Kennedy syndrome">Foster Kennedy syndrome</a></li></ul></li> <li><a href="/wiki/Optic_atrophy" class="mw-redirect" title="Optic atrophy">Optic atrophy</a></li> <li><a href="/wiki/Optic_disc_drusen" title="Optic disc drusen">Optic disc drusen</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Optic_neuropathy" title="Optic neuropathy">Optic neuropathy</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ischemic_optic_neuropathy" title="Ischemic optic neuropathy">Ischemic</a> <ul><li><a href="/wiki/Anterior_ischemic_optic_neuropathy" title="Anterior ischemic optic neuropathy">anterior (AION)</a></li> <li><a href="/wiki/Posterior_ischemic_optic_neuropathy" title="Posterior ischemic optic neuropathy">posterior (PION)</a></li> <li><a href="/wiki/Arteritic_anterior_ischemic_optic_neuropathy" title="Arteritic anterior ischemic optic neuropathy">arteritic anterior (AAION or arteritic AION)</a></li> <li><a href="/wiki/Non-arteritic_anterior_ischemic_optic_neuropathy" title="Non-arteritic anterior ischemic optic neuropathy">non-arteritic anterior (NAION)</a></li></ul></li> <li><a href="/wiki/Kjer%27s_optic_neuropathy" title="Kjer's optic neuropathy">Kjer's</a></li> <li><a href="/wiki/Leber%27s_hereditary_optic_neuropathy" title="Leber's hereditary optic neuropathy">Leber's hereditary</a></li> <li><a href="/wiki/Toxic_and_nutritional_optic_neuropathy" title="Toxic and nutritional optic neuropathy">Toxic and nutritional</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Strabismus" title="Strabismus">Strabismus</a><br /><a href="/wiki/Extraocular_muscles" title="Extraocular muscles">Extraocular muscles</a><br /><a href="/wiki/Binocular_vision" title="Binocular vision">Binocular vision</a><br /><a href="/wiki/Accommodation_(eye)" class="mw-redirect" title="Accommodation (eye)">Accommodation</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Paralytic_strabismus" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Strabismus#Paralytic_strabismus" title="Strabismus">Paralytic strabismus</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ophthalmoparesis" title="Ophthalmoparesis">Ophthalmoparesis</a></li> <li><a href="/wiki/Chronic_progressive_external_ophthalmoplegia" title="Chronic progressive external ophthalmoplegia">Chronic progressive external ophthalmoplegia</a></li> <li><a href="/wiki/Kearns%E2%80%93Sayre_syndrome" title="Kearns–Sayre syndrome">Kearns–Sayre syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cranial_nerve_disease" title="Cranial nerve disease">palsies</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oculomotor_nerve_palsy" title="Oculomotor nerve palsy">Oculomotor (III)</a></li> <li><a href="/wiki/Fourth_nerve_palsy" title="Fourth nerve palsy">Fourth-nerve (IV)</a></li> <li><a href="/wiki/Sixth_nerve_palsy" title="Sixth nerve palsy">Sixth-nerve (VI)</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Strabismus#Other_strabismus" title="Strabismus">Other strabismus</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Esotropia" title="Esotropia">Esotropia</a> / <a href="/wiki/Exotropia" title="Exotropia">Exotropia</a></li> <li><a href="/wiki/Hypertropia" title="Hypertropia">Hypertropia</a></li> <li><a href="/wiki/Heterophoria" title="Heterophoria">Heterophoria</a> <ul><li><a href="/wiki/Esophoria" title="Esophoria">Esophoria</a></li> <li><a href="/wiki/Exophoria" title="Exophoria">Exophoria</a></li></ul></li> <li><a href="/wiki/Cyclotropia" title="Cyclotropia">Cyclotropia</a></li> <li><a href="/wiki/Brown%27s_syndrome" title="Brown's syndrome">Brown's syndrome</a></li> <li><a href="/wiki/Duane_syndrome" title="Duane syndrome">Duane syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other binocular</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Conjugate_gaze_palsy" title="Conjugate gaze palsy">Conjugate gaze palsy</a></li> <li><a href="/wiki/Convergence_insufficiency" title="Convergence insufficiency">Convergence insufficiency</a></li> <li><a href="/wiki/Internuclear_ophthalmoplegia" title="Internuclear ophthalmoplegia">Internuclear ophthalmoplegia</a></li> <li><a class="mw-selflink selflink">One and a half syndrome</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Refraction" title="Refraction">Refraction</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Refractive_error" title="Refractive error">Refractive error</a> <ul><li><a href="/wiki/Far-sightedness" class="mw-redirect" title="Far-sightedness">Hyperopia</a></li> <li><a href="/wiki/Near-sightedness" class="mw-redirect" title="Near-sightedness">Myopia</a></li></ul></li> <li><a href="/wiki/Astigmatism" title="Astigmatism">Astigmatism</a></li> <li><a href="/wiki/Anisometropia" title="Anisometropia">Anisometropia</a> / <a href="/wiki/Aniseikonia" title="Aniseikonia">Aniseikonia</a></li> <li><a href="/wiki/Presbyopia" title="Presbyopia">Presbyopia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Vision_disorder" title="Vision disorder">Vision disorders</a><br /><a href="/wiki/Blindness" class="mw-redirect" title="Blindness">Blindness</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Amblyopia" title="Amblyopia">Amblyopia</a></li> <li><a href="/wiki/Leber%27s_congenital_amaurosis" class="mw-redirect" title="Leber's congenital amaurosis">Leber's congenital amaurosis</a></li> <li><a href="/wiki/Diplopia" title="Diplopia">Diplopia</a></li> <li><a href="/wiki/Scotoma" title="Scotoma">Scotoma</a></li> <li><a href="/wiki/Color_blindness" title="Color blindness">Color blindness</a> <ul><li><a href="/wiki/Achromatopsia" title="Achromatopsia">Achromatopsia</a></li> <li><a href="/wiki/Dichromacy" title="Dichromacy">Dichromacy</a></li> <li><a href="/wiki/Monochromacy" title="Monochromacy">Monochromacy</a></li></ul></li> <li><a href="/wiki/Nyctalopia" title="Nyctalopia">Nyctalopia</a> <ul><li><a href="/wiki/Oguchi_disease" title="Oguchi disease">Oguchi disease</a></li></ul></li> <li><a href="/wiki/Blindness" class="mw-redirect" title="Blindness">Blindness</a> / <a href="/wiki/Vision_loss" class="mw-redirect" title="Vision loss">Vision loss</a> / <a href="/wiki/Visual_impairment" title="Visual impairment">Visual impairment</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Anopsia" title="Anopsia">Anopsia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hemianopsia" title="Hemianopsia">Hemianopsia</a> <ul><li><a href="/wiki/Binasal_hemianopsia" title="Binasal hemianopsia">binasal</a></li> <li><a href="/wiki/Bitemporal_hemianopsia" title="Bitemporal hemianopsia">bitemporal</a></li> <li><a href="/wiki/Homonymous_hemianopsia" title="Homonymous hemianopsia">homonymous</a></li></ul></li> <li><a href="/wiki/Quadrantanopia" title="Quadrantanopia">Quadrantanopia</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">subjective</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asthenopia" class="mw-redirect" title="Asthenopia">Asthenopia</a></li> <li><a href="/wiki/Hemeralopia" title="Hemeralopia">Hemeralopia</a></li> <li><a href="/wiki/Photophobia" title="Photophobia">Photophobia</a></li> <li><a href="/wiki/Scintillating_scotoma" title="Scintillating scotoma">Scintillating scotoma</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Pupil" title="Pupil">Pupil</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anisocoria" title="Anisocoria">Anisocoria</a></li> <li><a href="/wiki/Argyll_Robertson_pupil" title="Argyll Robertson pupil">Argyll Robertson pupil</a></li> <li><a href="/wiki/Marcus_Gunn_pupil" class="mw-redirect" title="Marcus Gunn pupil">Marcus Gunn pupil</a></li> <li><a href="/wiki/Adie_syndrome" title="Adie syndrome">Adie syndrome</a></li> <li><a href="/wiki/Miosis" title="Miosis">Miosis</a></li> <li><a href="/wiki/Mydriasis" title="Mydriasis">Mydriasis</a></li> <li><a href="/wiki/Cycloplegia" title="Cycloplegia">Cycloplegia</a></li> <li><a href="/wiki/Parinaud%27s_syndrome" title="Parinaud's syndrome">Parinaud's syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nystagmus" title="Nystagmus">Nystagmus</a></li> <li><a href="/wiki/Childhood_blindness" title="Childhood blindness">Childhood blindness</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Infections" style="font-size:114%;margin:0 4em"><a href="/wiki/Eye_disease" title="Eye disease">Infections</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Trachoma" title="Trachoma">Trachoma</a></li> <li><a href="/wiki/Onchocerciasis" title="Onchocerciasis">Onchocerciasis</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Signs_and_symptoms,_and_syndromes_associated_with_lesions_of_the_brain_and_brainstem" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Brain_and_brainstem_lesion_symptoms_and_signs" title="Template:Brain and brainstem lesion symptoms and signs"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Brain_and_brainstem_lesion_symptoms_and_signs" title="Template talk:Brain and brainstem lesion symptoms and signs"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Brain_and_brainstem_lesion_symptoms_and_signs" title="Special:EditPage/Template:Brain and brainstem lesion symptoms and signs"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Signs_and_symptoms,_and_syndromes_associated_with_lesions_of_the_brain_and_brainstem" style="font-size:114%;margin:0 4em"><a href="/wiki/Signs_and_symptoms" title="Signs and symptoms">Signs and symptoms</a>, and <a href="/wiki/Syndrome" title="Syndrome">syndromes</a> associated with lesions of the <a href="/wiki/Brain" title="Brain">brain</a> and <a href="/wiki/Brainstem" title="Brainstem">brainstem</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cerebral cortex</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anterior_cerebral_artery_syndrome" title="Anterior cerebral artery syndrome">ACA syndrome</a></li> <li><a href="/wiki/Middle_cerebral_artery_syndrome" title="Middle cerebral artery syndrome">MCA syndrome</a></li> <li><a href="/wiki/Posterior_cerebral_artery_syndrome" title="Posterior cerebral artery syndrome">PCA syndrome</a></li> <li><a href="/wiki/Aphasia" title="Aphasia">Aphasia</a></li> <li>Frontal lobe <ul><li><a href="/wiki/Expressive_aphasia" title="Expressive aphasia">Expressive aphasia</a></li> <li><a href="/wiki/Abulia" title="Abulia">Abulia</a></li></ul></li> <li>Parietal lobe <ul><li><a href="/wiki/Receptive_aphasia" title="Receptive aphasia">Receptive aphasia</a></li> <li><a href="/wiki/Hemispatial_neglect" title="Hemispatial neglect">Hemispatial neglect</a></li> <li><a href="/wiki/Gerstmann_syndrome" title="Gerstmann syndrome">Gerstmann syndrome</a></li> <li><a href="/wiki/Astereognosis" title="Astereognosis">Astereognosis</a></li></ul></li> <li>Occipital lobe <ul><li><a href="/wiki/B%C3%A1lint%27s_syndrome" title="Bálint's syndrome">Bálint's syndrome</a></li> <li><a href="/wiki/Cortical_blindness" title="Cortical blindness">Cortical blindness</a></li> <li><a href="/wiki/Anton_syndrome" title="Anton syndrome">Anton syndrome</a></li> <li><a href="/wiki/Pure_alexia" title="Pure alexia">Pure alexia</a></li></ul></li> <li>Temporal lobe <ul><li><a href="/wiki/Cortical_deafness" title="Cortical deafness">Cortical deafness</a></li> <li><a href="/wiki/Prosopagnosia" title="Prosopagnosia">Prosopagnosia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Subcortex</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Basal ganglia <ul><li><a href="/wiki/Chorea" title="Chorea">Chorea</a></li> <li><a href="/wiki/Dystonia" title="Dystonia">Dystonia</a></li> <li><a href="/wiki/Parkinson%27s_disease" title="Parkinson's disease">Parkinson's disease</a></li></ul></li> <li><a href="/wiki/Thalamic_syndrome" class="mw-redirect" title="Thalamic syndrome">Thalamic syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cerebellar_stroke_syndrome" title="Cerebellar stroke syndrome">Cerebellum</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Lateral <ul><li><a href="/wiki/Dysmetria" title="Dysmetria">Dysmetria</a></li> <li><a href="/wiki/Dysdiadochokinesia" title="Dysdiadochokinesia">Dysdiadochokinesia</a></li> <li><a href="/wiki/Intention_tremor" title="Intention tremor">Intention tremor</a></li></ul></li> <li>Medial <ul><li><a href="/wiki/Cerebellar_ataxia" title="Cerebellar ataxia">Cerebellar ataxia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Brainstem_stroke_syndrome" title="Brainstem stroke syndrome">Brainstem</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Medulla</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lateral_medullary_syndrome" title="Lateral medullary syndrome">Lateral medullary syndrome/Wallenberg</a> <ul><li><a href="/wiki/Posterior_inferior_cerebellar_artery" title="Posterior inferior cerebellar artery">PICA</a></li></ul></li> <li><a href="/wiki/Medial_medullary_syndrome" title="Medial medullary syndrome">Medial medullary syndrome/Dejerine</a> <ul><li><a href="/wiki/Anterior_spinal_artery" title="Anterior spinal artery">ASA</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Pons</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Raymond%E2%80%93C%C3%A9stan_syndrome" title="Raymond–Céstan syndrome">Upper dorsal pontine syndrome/Raymond–Céstan syndrome</a></li> <li><a href="/wiki/Lateral_pontine_syndrome" title="Lateral pontine syndrome">Lateral pontine syndrome</a> (<a href="/wiki/Anterior_inferior_cerebellar_artery" title="Anterior inferior cerebellar artery">AICA</a>) (lateral)</li> <li><a href="/wiki/Medial_pontine_syndrome" title="Medial pontine syndrome">Medial pontine syndrome</a>/<a href="/wiki/Millard%E2%80%93Gubler_syndrome" title="Millard–Gubler syndrome">Millard–Gubler syndrome</a>/<a href="/wiki/Foville%27s_syndrome" title="Foville's syndrome">Foville's syndrome</a> (<a href="/wiki/Basilar_artery" title="Basilar artery">basilar</a>)</li> <li><a href="/wiki/Locked-in_syndrome" title="Locked-in syndrome">Locked-in syndrome</a></li> <li><a href="/wiki/Internuclear_ophthalmoplegia" title="Internuclear ophthalmoplegia">Internuclear ophthalmoplegia</a></li> <li><a class="mw-selflink selflink">One and a half syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Midbrain</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Weber%27s_syndrome" title="Weber's syndrome">Weber's syndrome</a> <ul><li>ventral peduncle, <a href="/wiki/Posterior_cerebral_artery" title="Posterior cerebral artery">PCA</a></li></ul></li> <li><a href="/wiki/Benedikt_syndrome" title="Benedikt syndrome">Benedikt syndrome</a> <ul><li>ventral tegmentum, <a href="/wiki/Posterior_cerebral_artery" title="Posterior cerebral artery">PCA</a></li></ul></li> <li><a href="/wiki/Parinaud%27s_syndrome" title="Parinaud's syndrome">Parinaud's syndrome</a> <ul><li>dorsal, tumor</li></ul></li> <li><a href="/wiki/Claude%27s_syndrome" title="Claude's syndrome">Claude's syndrome</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alternating_hemiplegia" title="Alternating hemiplegia">Alternating hemiplegia</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pseudobulbar_affect" title="Pseudobulbar affect">Pseudobulbar affect</a></li> <li><a href="/wiki/Upper_motor_neuron_lesion" title="Upper motor neuron lesion">Upper motor neuron lesion</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" 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