... eyes in the dark,3, B-carotene in vitamin A, is the main component of rhodopsin, it is ... known as B-carotene, vegetable vitamin A. Main function: 1. Prevent night blindness. 2. ... important for the eyes,Lutein and zeaxanthin is a good antioxidant and free radical elimination of agents ... by 50% to 60%, twice the effect of vitamin,5, blueberry pieces rich variety of nutrients to ...