... 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. Strengthen ... and vegetables, maize yellow pigment found in human eyes, skin serum, cervix, brain , heart, chest, etc., we ... the vision and eliminate eye fatigue, nutrition, skin, also can delay brain aging