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A member asked:
How much would vitamin a help your vision?
A doctor has provided 1 answer
Not at all unless...: If you are not deficient in vitamin a then taking it will not help your vision at all. If you are deficient, then taking vitamin a will improve night vision. Extreme vitamin a deficiency, which is rare in the us, could damage the retina even leading to blindness. Besides vitamin a, related compounds, carotenoids like lutein & zaaxanthin, are good for our eyes and help prevent macular degeneration.
Answered 12/9/2013
5.5k views
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