A group of researchers with the Ocular Genomics Institute analyzed a 1984-1991 study on the effects of vitamins A and E on retinitis pigmentosa to look for any biological correlations and modifiers to the original study’s results.

Lutein is a dietary carotenoid found in the eye with reported anti-oxidant properties.

BOSTON—Providing retinitis pigmentosa patients with lutein plus vitamin A palmitate slowed the loss of midperipheral vision, according to a study out of the Massachusetts Eye and Ear Infirmary, Harvard Medical School (Arch Ophthalmol. 2010;128(4):403-11)