Association of cataract and sun exposure in geographically diverse populations of India: The CASE study. First Report of the ICMR-EYE SEE Study Group

Vashist, P, Tandon, R

, Barua, CK, Deka, D, Singh, S

, Gupta, V

, Gupta, N, Wadhwani, M, Singh, R and Vishwanath, K (2020). Association of cataract and sun exposure in geographically diverse populations of India: The CASE study. First Report of the ICMR-EYE SEE Study Group. [Dataset]. PLOS ONE. https://doi.org/10.1371/journal.pone.0227868.s002

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The study sought to determine the prevalence of cataract and its association with sun exposure and other environmental risk factors in three different geographically diverse populations of India. This collection contains the Hindi and English versions of the study questionnaires (10.1371/journal.pone.0227868.s001), the study dataset in Stata and Excel format, a data codebook, analysis commands, output logs and instructions for using the dataset (10.1371/journal.pone.0227868.s002). Files are hosted on Figshare.

Keywords

Cataracts, Medical risk factors, Ultraviolet B, Cataract surgery, Eyes, Ultraviolet A, Cataract extraction, India

Item Type	Dataset
Description of data capture	A detailed questionnaire-based interview about outdoor activity in present, past and remote past, usage of sun protective measures, exposure to smoke, and detailed ophthalmic examination including assessment of uncorrected and best corrected visual acuity, measurement of intraocular pressure, slit lamp examination, lens opacities categorization using LOCS III and posterior segment evaluation was done. Lifetime effective sun exposure was calculated using Melbourne formula and expressed as quintiles. These were supplemented with physical environmental measurements.
Capture method	Interview
Collection Period	From To 2010 2016
Date	23 January 2020
Language(s) of written materials	English
Creator(s)	Vashist, P, Tandon, R, Murthy, G , Barua, CK, Deka, D, Singh, S, Gupta, V, Gupta, N, Wadhwani, M, Singh, R and Vishwanath, K
LSHTM Faculty/Department	Faculty of Infectious and Tropical Diseases > Dept of Clinical Research
Research Centre	International Centre for Eye Health
Participating Institutions	London School of Hygiene & Tropical Medicine, London, United Kingdom
Date Deposited	21 Jun 2022 11:21
Last Modified	21 Jun 2022 11:25
Publisher	PLOS ONE