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失明原因

2.失明原因 (全世界 , WHO 2002)

1.cataracts (47.9%),

2.glaucoma (12.3%),

3.age-related macular degeneration (8.7%),

the most common cause of blindness and vision impairment in Americans aged 60 and older. More than 1.6 million Americans over age 60 have advanced AMD. (NIH News release 2002)

4.corneal opacity (5.1%), and

5.diabetic retinopathy (4.8%), among other causes.[11]

6.Amaurosis fugax is a sudden blindness from decreased blood supply via the ophthalmic artery

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