Vitamin B complex (including vitamins B1, B2, B3, B5, B6, B12 folic acid, biotin and choline). B complex vitamins may help reduce chronic inflammation and prevent elevated homocysteine levels in the blood, which have been associated with vascular problems affecting the retina. Vitamin A. Vitamin A plays a crucial role in vision by maintaining a clear cornea, which is the outside covering of your eye.