Vitamin A is essential for eyesight.
Vitamin A.
Carrots contain a substance called carotene which when digested produces vitamin A, which is essential for good eyesight.
vitamin c
Vitamin A is needed for good eyesight.
eyesight
Vitamin A
Vitamin K
I don't know how vitamin A improves eyesight, but lack of vitamin A is the main cause (70%) of childhood blindness throughout the world, with 500,000 going blind every year due to lack of vitamin A. The amount of vitamin A required to prevent blindness is small.
Vitamin A is used to improve the eyesight of human beings such.
carrots because it carries a high level of vitamin A which improves your eyesight
By eating carrots. It helps because it has vitamin A in it.
Vitamin K is primarily good for the blood. It helps prevent blood clots as well as strengthen bones. It is good for the circulatory and nervous systems in the body. Vitamin A is primarily good for eyesight and immune functions.