A cataract is a cloudiness or opacification in the normally clear and transparent lens of the eye. When significant, this clouding interferes with the passage of light to the retina and blurs vision. There are many types of cataract. Most forms develop in adult life and tend to increase in severity with advancing age. Cataracts can be the side effect of certain medications, be caused by disease or injury, or exist at birth.
Signs and Symptoms
Painless blurring of vision, overall dimness of vision, frequent eyeglass prescription changes, glare and haloes.
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