Cataracts occur when the eye's natural lens becomes cloudy, causing vision to blur like looking through a foggy or dusty car windshield.

Glaucoma is a group of eye conditions that affect the optic nerve after elevated eye pressure which may cause blindness.

Diabetic Retinopathy happens when high blood sugar levels damage the retinal blood vessels. In the early stages of Diabetic Retinopathy, symptoms may not be noticeable.