Please use this identifier to cite or link to this item: https://doi.org/10.1371/journal.pone.0075584
Title: Prevalence of Cataract Surgery and Visual Outcomes in Indian Immigrants in Singapore: The Singapore Indian Eye Study
Authors: Gupta, P.
Zheng, Y.
Ting, T.W.
Lamoureux, E.L.
Cheng, C.-Y. 
Wong, T.-Y. 
Issue Date: 7-Oct-2013
Citation: Gupta, P., Zheng, Y., Ting, T.W., Lamoureux, E.L., Cheng, C.-Y., Wong, T.-Y. (2013-10-07). Prevalence of Cataract Surgery and Visual Outcomes in Indian Immigrants in Singapore: The Singapore Indian Eye Study. PLoS ONE 8 (10) : -. ScholarBank@NUS Repository. https://doi.org/10.1371/journal.pone.0075584
Abstract: Objective:To determine the prevalence of cataract surgery and factors associated with post-surgical visual outcomes in migrant Indians living in Singapore.Research Design and Methods:We conducted a population-based study in 3,400 Indian immigrants residing in Singapore-the Singapore Indian Eye Study (SINDI). All participants underwent comprehensive medical eye examination and a standardized interview. Post-operative visual impairment (VI) was defined as best-corrected or presenting visual acuity (BCVA or PVA) of 20/60 or worse.Results:The age- and gender-standardized prevalence of cataract surgery was 9.7% (95% confidence interval [CI]: 8.9%, 10.7%) in Singapore resident Indians. Post-operative VI defined by BCVA occurred in 10.9% eyes (87/795). The main causes of post-operative VI were diabetic retinopathy (20.7%), posterior capsular opacification (18.4%), and age-related macular degeneration (12.6%). Undercorrected refractive error doubled the prevalence of post-operative VI when PVA was used.Conclusions:The rate of cataract surgery is about 10% in Indian residents in Singapore. Socioeconomic variables and migration had no significant impact on the prevalence of cataract surgery. Diabetic retinopathy was a major cause of post-operative VI in migrant Indians living in Singapore. Uncorrected postoperative refractive error remains an efficient way to improve vision. © 2013 Gupta et al.
Source Title: PLoS ONE
URI: http://scholarbank.nus.edu.sg/handle/10635/109021
ISSN: 19326203
DOI: 10.1371/journal.pone.0075584
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