Although the effect of bilberry on night vision is controversial, laboratory studies have provided preliminary evidence that ...

***** bilberry consumption may inhibit or reverse eye disorders such as macular degeneration.[4]

A randomized, double-blind, placebo-controlled clinical trial on 50 patients suffering from senile cataract showed that a combination of bilberry extract and vitamin E administered for 4 months was able to stop lens opacity progress in 97% of the cataracts