Cataract is the leading cause of blindness in the world. A cataract is an opacity of the lens of the eye that causes partial or total blindness.
Read moreEpidemiologic models estimate that there are approximately 30 million blind people in the world, 50 percent of whom are blind due to cataracts. The pattern and rate of blinding disorders is different in developed and developing nations depending upon whether nutritional and infectious causes of blindness are eradicated, and whether there are resources available for treatable disorders such as cataract.
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