AMD is damage to the macula of the eye in people age 50 and older.
With anophthalmia and microphthalmia, one or both eyes is missing (in the case of anophthalmia) or abnormally small (microphthalmia) at birth. They are rare birth defects that may co-exist with other abnormalities that developed during pregnancy.
Behçet’s disease is a type of autoimmune disease. In people autoimmune diseases, the immune system attacks their own tissues. In the case of Behçet’s disease (also known as “adamantiades”), the autoimmune reaction may cause the blood vessels to become inflamed and damaged, including those in the eye.
Bietti’s crystalline dystrophy (BCD) is a rare inherited eye disease that causes crystals in the cornea (the clear covering of the eye) and atrophy (shrinkage) of the back layers of the eye.
A cataract is a clouding of a lens in an eye. It can affect one or both eyes and most often happens in older people. In fact, more than half of Americans age 80 and older have a cataract or had cataract surgery.
Coloboma refers to rare conditions in which normal tissue in or around the eye is missing. It may affect the eyelid, lens, macula, retina, optic nerve, or uvea (including the iris and pupil).