Risk Factors for Nuclear and Cortical Cataracts: A Hospital Based Study.

Purpose: To evaluate risk factors associated with nuclear and cortical cataracts among a hospital based sample of subjects in Southern India.

Methods: In this hospital-based study, 3,549 subjects including 2,090 male and 1,459 female individuals aged 45 years and over were randomly screened for nuclear and cortical cataracts. Lens opacity was graded and classified after pupil dilation using the lens opacities classification system (LOCS) III at the slit lamp.

Dietary and lifestyle risk factors associated with age-related macular degeneration: a hospital based study.

Aim: To establish the frequency, associations and risk factors for age-related macular degeneration (AMD) in hospital population of South India.

Materials And Methods: In this cross-sectional hospital based study, 3549 subjects (2090 men and 1459 women) above 45 years of age were screened randomly for AMD. Participants underwent ocular evaluation and were interviewed for lifestyle variables and dietary intake of carotenoids by structured food frequency questionnaire.