The only truly scientific evidence says there are specific antioxidants and minerals that slow the progression in a large percentage of people who are at “high risk” for macular degeneration. Otherwise, all suggestions for vitamins are anecdotal. It is certainly true that vitamin deficiencies can have a negative effect on vision. So it is probably a good idea to take a regular multivitamin on a daily basis if you think you don’t get full nutrition through your diet.

Answered by Richard Gans, MD. Dr. Gans is a comprehensive ophthalmologist with specialty interests in cataracts, glaucoma, and diabetes. He is also an accomplished surgeon and an assistant professor at The Lerner College of Medicine of Case Western Reserve University in Cleveland.