Question: what is the best vitamin for eyesight?
Answer: Vitamin A. Vitamin A plays a crucial role in vision by maintaining a clear cornea, which is the outside covering of your eye. ... 
Vitamin E. ... 
Vitamin C. ... 
Vitamins B6, B9 and B12. ... 
Riboflavin. ... 
Niacin. ... 
Lutein and Zeaxanthin. ... 
Omega-3 Fatty Acids.