The two most common causes of<unk>  include diabetic<unk>  and<unk>  of prematurity. Diabetic<unk>  affects about 5 million people and<unk>  of prematurity affect about 50,000 premature infants each year worldwide. Hypertensive<unk>  is the next most common cause affecting anywhere from 3 to 14% of all non-diabetic adults.
Retinopathy
Maculopathy
Optic neuropathy
Peripheral neuropathy
Color blindness
Arthropathy
Retinal degeneration 
Ocular hypertension