7 Leading Causes of Blindness

More than 2.2 billion people suffer from near or distance vision impairment. In nearly half of those instances, this vision impairment might have been prevented or has yet to be addressed.

Here are the 7 leading causes of blindness and visual impairment:

1. uncorrected refractive errors
2. cataract
3. age-related macular degeneration
4. glaucoma
5. diabetic retinopathy
6. corneal opacity
7. trachoma

Blindness and vision impairment

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