Long list: Blindness can be legal (20/200 or less) or absolute (cannot see light even). Eyes can inherit problems, get infected, traumatized and develop a host of diseases which can lower the vision such as diabetes, glaucoma, cataracts, macular degeneration, etc. Take your pick.
Answered 6/24/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
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