VisionDB
116 reference entries on eyes, vision, and eye health. From myopia and cataracts to LASIK, retinal disease, and low vision rehabilitation, learn how the eye works and how eye conditions are diagnosed and treated.
Key Topics
Myopia
Myopia, or nearsightedness, is a refractive error in which light focuses in front of the retina, usually because the eyeball is to...
Cataract
A cataract is a clouding of the normally clear crystalline lens of the eye. Most cataracts are age related, but other risk factors...
Glaucoma
Glaucoma is a group of eye diseases characterized by progressive damage to the optic nerve, with loss of retinal ganglion cells an...
Age-Related Macular Degeneration
Age related macular degeneration, AMD, is a degenerative disease of the macula, the central part of the retina responsible for det...
LASIK
LASIK, laser assisted in situ keratomileusis, is a refractive surgery procedure that corrects myopia, hyperopia, and astigmatism b...
Diabetic Retinopathy
Diabetic retinopathy is damage to the small blood vessels of the retina caused by chronically elevated blood glucose in diabetes. ...
Dry Eye Syndrome
Dry eye disease is a common disorder of the tear film and ocular surface in which tears are insufficient in quantity or quality to...
Anti-VEGF Injections
Anti VEGF injections are treatments in which drugs that block vascular endothelial growth factor, a signaling protein that promote...
Contact Lenses
Contact lenses are thin lenses placed directly on the surface of the eye to correct refractive errors or for therapeutic or cosmet...