CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "waset.org",cType: 'non-interactive',cRay: '91350d362908ce57',cH: 'PS5jqzcJdpZLqkf_oGSlXzOkSazj1oRcbqfVEtTMbJ8-1739787697-1.2.1.1-FZNIvKJ30pXvpCq9gcSimHtjIMKt8XwJHf_Xb_F8ZFjO9sGULvO.a5qUsGkTjBW0',cUPMDTk: "\/ophthalmology-and-optometry-conference-in-september-2025-in-hong-kong?__cf_chl_tk=HN3cRskzH3TT0Ntgw_R.abyz5QJ7Rz18Krkk2DwjA.0-1739787697-1.0.1.1-KPXXxBuECKe1nLEGdtqr44rBxAosAIXTwjImysarE98",cFPWv: 'b',cITimeS: '1739787697',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/ophthalmology-and-optometry-conference-in-september-2025-in-hong-kong?__cf_chl_f_tk=HN3cRskzH3TT0Ntgw_R.abyz5QJ7Rz18Krkk2DwjA.0-1739787697-1.0.1.1-KPXXxBuECKe1nLEGdtqr44rBxAosAIXTwjImysarE98",md: "zWxmxOky6T2oTaJWn3umppnrY2F.8KVnkGh_pP6MbeU-1739787697-1.2.1.1-2OI1w.T3w8dlfiAxlY4zzRVhQwVFmrlDHalmuLqoeB92VlrM9ywoMsy7LckATFaKPrq4hoXF2lz8CP9jcSdnCNh9QFld18VqNaP4kKizga07I3XM4J0MCn0X6N2XD2X6wCSkZMVaKU6mGAvwKnZ2K5lFIUz4cD6fDmvlFs1UZHlOhF7_tfOmZZGncjPNapIfQKmBGDrlL8Mw3GBtt9XM9S3pYbsL6Iq6hG41.KKZnYCKcKHZJUOG06vjAhUJk8zniIGI.J2RWi6IOhLkVAxxrUA6L76OSyWYM02.Zsn.MvHrmHwkhH93cQvLd9gyDjrXUNVDEfUrAhuvpXC09yMV1BNlg74X05L18HZIbakb0WhSxmOsX6WUGrcfy0SWRdqq6xJp2ElDZCnt91TCqWSD7PpgjOqkRAmEyQp3GQ_vBShlo18TjL1NebnpKlNgguZtjKgNoZP_8zTRZhA_ZkLJg6ZQrMiwSmTT037MXKKocVyjupQZdjpX6.EBYOpVtYyL0wwvrMm2bVJsW86dOpkXvJfbyqH2DepQ8fM0AtktBrd6Xn5NVzJvx.nOCMtB36ocwRjgEIZkb77aZOOxn3p3mBHjtN4WTwKSu2Rgb66eztW.RxMj5V_3N4IjdB0KXLcjzWXGTFaKj2zrYpGN8Qsy5Lsuqs8Ac6h.9GGI6ouDl0bIGQGX3CEdRe8CwqsDCVBSG8KPJfubfAK7h8WaXQU6ZFIsTOuPO0wTd1FAQKXKC3HM9IGIgWey1RFcm5PmAOo_CMOPCJ7v.KxnaQxbFEgGqf7jz5HtmnRlhmXbKsu_iWHm48NUvKikqsRFOVzfF6U9zH1CPFSm626aqaPwpjVSuDk4M8kUIKpoDDZKDOF8wpqnpbGkY2Wf32Wizuuh26Q158JOF3bWu.aOPUsFR8NAK1ASb4L8GYHXS6DcmuU3llJwjbsJL9GMxA9xNGjEqPhYHO.BiYWmLkWcknP0_tr5kHghdjjjyLtZdDe9vUNPoD9RBrPdMHJ6P.tajs_RYtDI9z_cV74GRta2f2kn5k6kMev0jDEzOGltK.vtlghEbS1uhe_R3HIca4dREHCMbNgU_hWIRCVl7exZb0NeRZgKEMfXeEgOI1Nsbj8DISqJ4_WpjDDYDnFlribzV5GNfqu3BgBdaySKTRYnElDdDhHeYyGaQYn6yAOkh57EOS60etO6M0NvVqMIMvbGJr_mQK1wjK.VsliSfrVY0Z3Dvjws5VcybZvh3huFB0rO4AhrpZJWr5tT2gpXsZNzh8zOdt4ZLcwulFVsEdj7q3SERaFCXkd6gApd2ALo4acny3MYxkVxRX09rqw7UgbuzRpP2HbmLOrH9Sim.T5V5IuWum0NDBC1GpcFiLo0VjLMbTNxzDnrp6.lIGotlEWm8Mx14LV.FVAHUIaHtkDZ3_JkHq2m3fzp3FM.ZbrTWba.TktPoyGTzCrP0zxAyJ4E9VDvIJ.f5sU4p8TS6TtTHq5dpYuLurVC868l81pSdn9otX1cNnkNeDRqhRmLN5Cjb9hr8vgwsOLASiZzSU2EADwTd2DXblc2Qlg8JH8t8t23dfJPCXmbD.vXbj7WyDAdfp8lO1depcgIBAMbRplQDsvTkkJX2cRMXpkV4fZPQpzVodB.me9DI8lCobx.9lEryHEjNyHsxfYHB38C5Ip0Dccfd6RT6JKKDWqjdgn7f8bB4ekxw01GTEDft5c825eodxKmhkCeL9UfJ71dae2oPOTvAajKKvNind0A47uaKEIHXKt7TJ5kuzQ8R5R7Tog6eBjh3aasVKwiYK1EkjHEwaTmXFqB5GCzHNcLRNpSiIkjMN2OhWo1_aY9RRt5Q1XnhCCDZ988p5cen2u3htKgbeRriiWr4I0fjnVr_3dW.mYlEufOMj5QkPdP10L5Bhn8L5nHP.8LolyaHq7qHuOJvZ6yq1SW8pVwTN0H6fWoGSUeqMZIcs0QDbdMaU_Non3e4Ntie6pqx19Ch82rKNd.MjeTjfALIMVLx.q1ZpbCMOaqi5WlyQU",mdrd: "hDmqeHf3z90glUJ3XjDiLrF57aV9gUMoTOp9MAoNp3Q-1739787697-1.2.1.1-uvXW98k9J61FRfZCM9v1_ViDRrW9WLuAy9ofKmC3dn9qHZ6eFKFSMTAq_9aTwy8M80FOxszvvXewZq8jzziEaeHXTXikw_czeHdBcUC2vw3NOuTzdCyN9qdi.9v4PkyPz56p36TtSBKWlQrqfj_VFCQ5lIL9JDX9m3rhMj2xLa.hbXQyJR4.ZzL72gNCodU1C4TcPQrpaxzJTtF2Z1sOxiVI3y5qWm1nyH5HPha79WS0z60YAuTL0ak7ePLfdesTDK9D7LSiGtQJs4nptEomJZWbzheqpYRHwF48Z6wvSqB00GGiGrVTVMyevnxrV3ImejZIVQwC1mGQPyGeejo9Mxbe8UvOEwzo24JP2IOrZLffclwS33SXT6oYjWjCh0D8rAyapwKNLj05.JwHPHqY6H0XeGcQUpjk776JJ0_DOLIAnzZyYgH5x1l0M2dNSZC93OE6didxFWfW8g5w9qG2Vo7KCzwNOZTxq7pidXJ5SLgfk_2CVe7fLIg_7d_sHaY1gFWGSWiByVkkHPdXMfLTpmNVwdlZZEl_9NTFBq3e1xfeO2THD_UxmM2qHgpv0.wb9QaswfOh.WjqlB0SSHpct5KtEPQfyAWPk3kIYJ3.MaIomiSv.XwiWnfFOStc8hN6DoptVjWi2jbZ4RzRsS_FK9WUgXxv.hHah0LC.32tnjlUPX_Y68o6B70Ljg_jM50UVkX6QZlyhsShbWEX.dZTaZya5MsA3MRxbKqWVGka1SVqAx4AQufbJ5tph.2.1BEyqv0Vb08VPRWbu.HGhWJlehHhJvmJfPPkHbxQPlo_Pzdb4hRf4eLHJhP5elJ8sZdmwjG3MZCZEwcRIYJEh1KVW4d52e2hifKdRWkxJriLQUlLte8phm4ihenj9dOM3JQ2130Iq4PHZwo1WiU3Vjts94da145fmqRrlB9nRYMrL4wiUUpHLpiVG14DK.AxeAM9._VHi0NtYpBQGYl1eVYeNBCRnGOTu.QII.nqCwjKkezOxXYccjZz8mUvbLm3YEaZ0.cCeR3b3MhSQ0wEIHihRrgLPVqkAKfQNVyYbOl.AqEJvrZ8ygVLLcZ5I3gUVWws6XmT2N0n5TPGhxUBCerMfGgk2V37g_FPoWXYBXg9q.NQXdnJRwoj00odqxp9QShmatwFwZ.H_KiTGi7BnEl3VoPFeAt8L_T5mTpDNrNK.00AENAJzjrcVXhSa7jCNHshoZ0tJS8RzghMqMKF_zVR9VSHtwRaAopv0wHKrqSbsAar3Mtpay8JH24hFmOiAkc9UTFpCztwj7p3uwQ71f7SSjr_khRPeCXLraVHeQdsVw0jZaXMFaYoG3H9s5PE7_Iz3l9paJSr3_qZHzldPcKFgLX52FLpIGj6Aj5qAYLBS67EK3nCld4TzW2zm1XMIfnMChOCtkU3iNXPvs15KLvTXqbSh0Oe2y3cABEe0IIUWNxx42isqkyJEP19pIUnNB5jocCTb6uYLDBX3muWi9WmbEqZdkK4G6.jDK7G7YCste8Qv.WDkOPg6NA7mPMCZqrC4JkzrDI6Y35i_3UyXb8MtEyHngaeOZBqo8FJ3EAdYlQ3Qlhi56X5vL5a9Z9tw2SzmDOo0tJxzMTD_bCSfMDXZ.UzqhgC99S1Klqw2dE0rcrEt.sPTBjw4NqFkpF9LsdQThdnucb56kLhfxSg0RPvkgI56PbRXim6SmpgdacUIcFxESLUa4eCzOs513YJAde0NuydYRbX4Y7zhe431yHnRXJjGj687jlEzOfCJa_o88Uddm_MtYZwD.F9wjTZCfjESH1ri7AmczG6E4L4D8d88NSw3KNIOiPSuJe48yjwOU9tDUVkMHE7z7y4HMhMIOw5UdwF24Wg7zsEWm9ctbWRH2hRUD.zgvV4Uge2Xj9niO1hZiLERO8Mj_biw5nLdqKn6ZGt0H9Zbf9s2IvFVSLNOAyGkNLYAFKojdQ.k20sBZE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91350d362908ce57';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/ophthalmology-and-optometry-conference-in-september-2025-in-hong-kong?__cf_chl_rt_tk=HN3cRskzH3TT0Ntgw_R.abyz5QJ7Rz18Krkk2DwjA.0-1739787697-1.0.1.1-KPXXxBuECKe1nLEGdtqr44rBxAosAIXTwjImysarE98" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>