A cataract is a clouding of the eye's natural lens, which lies behind the ir...
Glaucoma is an eye disease in which increased pressure inside the eye damages th...
Refractive errors occur when the eye cannot properly focus light onto the retina...
Diabetic retinopathy is an eye disease caused by long-term diabetes, which damag...
Corneal disorders are conditions that affect the cornea, the clear front surface...
Retinal diseases are conditions that affect the retina, the light-sensitive laye...