• Dr. Kendrick Co Shih

  • Clinical Assistant Professor


  • Dr. Allie Lee

  • Clinical Assistant Professor



  • Dr. Ian Wong

  • Hon. Clinical Associate Professor


The goals of the Ophthalmic Epidemiology Group are as follows:

  • To better understand the extent and scope of chronic ophthalmic conditions in the Hong Kong community

  • To elucidate the role of new ophthalmic investigations in classifying and grading ophthalmic conditions

  • To understand the impact of ophthalmic disease on society

Ultimately, we hope to generate robust evidence on ophthalmic conditions impacting the elderly of Hong Kong to help inform health policy

Selected Group Publications

  • Sociodemographic, behavioral, and medical risk factors associated with visual impairment among older adults: a community-based pilot survey in Southern District of Hong Kong. Wong PW, Lau JK, Choy BN, Shih KC, Ng AL, Wong IY, Chan JC. BMC Ophthalmol. 2020 Sep 18;20(1):372. doi: 10.1186/s12886-020-01644-1.PMID: 32948134 

  • Prevalence and Causes of Visual Impairment and Blindness among Adult Chinese in Hong Kong - The Hong Kong Eye Study. You QS, Choy BKN, Chan JCH, Ng ALK, Shih KC, Cheung JJC, Wong JKW, Shum JWH, Ni MY, Lai JS, Leung GM, Wong TY, Wong IYH. Ophthalmic Epidemiol. 2020 Oct;27(5):354-363. doi: 10.1080/09286586.2020.1755444. Epub 2020 Apr 20.PMID: 32310706

  • Prevalence and associations of myopia in Hong Kong primary school students. Choy BNK, You Q, Zhu MM, Lai JSM, Ng ALK, Wong IYH. Jpn J Ophthalmol. 2020 Jul;64(4):437-449. doi: 10.1007/s10384-020-00733-4. Epub 2020 Mar 16.PMID: 32180049

  • Exophthalmometry values in the Hong Kong Chinese adult population from a population-based study. Cheung JJC, Chang DL, Chan JC, Choy BNK, Shih KC, Wong JKW, Ng ALK, Shum JWH, Ni MY, Lai JSM, Leung GM, Wong IYH. Medicine (Baltimore). 2019 Nov;98(47):e17993. doi: 10.1097/MD.0000000000017993.PMID: 31764812 

  • Macular Vessel Density Measured With Optical Coherence Tomography Angiography and Its Associations in a Large Population-Based Study. You QS, Chan JCH, Ng ALK, Choy BKN, Shih KC, Cheung JJC, Wong JKW, Shum JWH, Ni MY, Lai JSM, Leung GM, Cheung CMG, Wong TY, Wong IYH. Invest Ophthalmol Vis Sci. 2019 Nov 1;60(14):4830-4837. doi: 10.1167/iovs.19-28137.PMID: 31747685


Southern District Signature Project Scheme (SPS), Southern District Council, The Government of Hong Kong SAR

HKD 50 Million for the Eye Examination Scheme

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