vitamin required for maintaining good eyesight
Answers
Answer:
Vitamin A
Explanation:
. Vitamin A plays a crucial role in vision by maintaining a clear cornea, which is the outside covering of your eye. This vitamin is also a component of rhodopsin, a protein in your eyes that allows you to see in low light conditions (1).
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NUTRITION
The 9 Most Important Vitamins for Eye Health
Written by Makayla Meixner on July 25, 2018
Your eyes are complex organs that need many different vitamins and nutrients to function properly.
Common conditions, such as diabetic retinopathy, age-related macular degeneration, glaucoma and cataracts, can impact your eyes.
Though a variety of different factors causes these conditions, nutrition seems to have an influence on all of them — at least in part.
Here are 9 key vitamins and nutrients that help maintain eye health.
1. Vitamin A
Vitamin A plays a crucial role in vision by maintaining a clear cornea, which is the outside covering of your eye.
This vitamin is also a component of rhodopsin, a protein in your eyes that allows you to see in low light conditions (1).
Vitamin A deficiency is rare in developed countries, but if unaddressed can lead to a serious condition called xerophthalmia.
Xerophthalmia is a progressive eye disease which begins with night blindness. If vitamin A deficiency continues, your tear ducts and eyes can dry out. Eventually, your cornea softens, resulting in irreversible blindness (1, 2).
Vitamin A may also help protect against other eye afflictions. Some studies suggest that diets high in vitamin A may be associated with a reduced risk of cataracts and age-related macular degeneration (AMD) (3Trusted Source, 4Trusted Source, 5Trusted Source, 6Trusted Source).
For general eye health, vitamin-A-rich foods are recommended over supplements. Sweet potatoes are an excellent source, as are leafy green vegetables, pumpkins and bell peppers (1).