Eyes on vitamin A

Hannon, Kerry; Wiener, Leonard
July 1993
U.S. News & World Report;7/5/93, Vol. 115 Issue 1, p59
Reports that the 100,000 Americans with retinitis pigmentosa, an inherited degenerative disease of the retina, now have a way to slow their descent into blindness. Research at Harvard Medical School which found that taking 15,000 international units of vitamin A a day reduced the annual decline in eyesight by 20 percent; Study details and where to obtain more information.


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