What is a condition in which there is a progressive thickening of the lens,causing vision to become cloudy,opaque,and distorted?

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Cataracts are a condition in which there is a progressive thickening of the lens, causing vision to become cloudy, opaque, and distorted. Macular degeneration is a condition that affects the center of the retina and causes loss of central vision. Glaucoma is a disease that damages the optic nerve and can lead to vision loss. Retinosis pigmentosa is a genetic condition that causes gradual loss of peripheral vision.

What Is a Condition in Which There Is a Progressive