![]() ![]() ![]() ![]() reported prevalences of 58% in North India and 53% in South India in the older age group (>60 years) with nuclear cataract being the most common type of cataract in both parts of the country. studied the prevalence of cataract in a rural population (≥40 years) of Southern India and reported the presence of cataract in 47.5% of their study population, prevalence being less in men compared to women. Various modifiable risk factors associated with cataract include UV exposure, diabetes, hypertension, body mass index (BMI), drug usage, smoking and socioeconomic factors but advancing age is the single most important risk factor for cataract. In India, 80% of the blindness is due to cataract. According to the World Health Organisation (WHO), cataract is the leading cause of blindness all over the world, responsible for 47.8% of blindness and accounting for 17.7 million blind people. Cataract is one of the most common causes of visual impairment in the world.
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