Most of our society may judge that the vitamin A alone could nourish the eyes. However, if traced further fact there are still some other vitamins are also good for the health of our eyes. What are some vitamins that, following a full review.
Vitamins are very important so that the eyes stay healthy and have a clear vision, including the functions of the cornea, pupil, lens and retina.
One of these vitamin deficiencies can increase the risk of eye diseases associated with such capability is lacking vision, cataract, glaucoma, dry eye, diabetic eye disease, macular degeneration and blindness.
Some vitamins are known to have good benefits for eye health are:
1. Vitamin A
Eyes need vitamin A to improve visibility. Vitamin A is also often referred to as retinoic acid, which affects gene transcription. Vitamin A deficiency is associated with night blindness, and if the shortcomings takes place in a long time can cause dry eye or called xeroftalmia.
Dry eye is characterized by the inability of tears to work properly, causing a decrease one's ability to read in a long time because it caused pain in the eye.
2. Vitamin C
This vitamin is made up of antioxidants that stimulate the immune system to fight infection and protect the body from harmful chemicals and toxic. Thus vitamin C will protect the eyes from damage, including cataracts that make a person's vision blurry or the color fades because it was blocked by something that is shaped like a cloud.
Studies conducted by scientists the London School of Hygiene and Tropical Medicine in England found that sufficient intake of vitamin C could play an active role to protect the lower the risk of cataracts by 64 percent. These results were published in the Journal of Nutrition in 2002.
3. Vitamin D
Vitamin D plays a role in preventing macular degeneration, which reduced a person's visual acuity gradually associated with aging. The study, published in the Archives of Ophthalmology in 2007 said that vitamin D may protect eyes from macular degeneration.
4. Vitamin E
Vitamin E is an antioxidant that protects cells from free radicals. A person who is deficient in vitamin E will be able to increase the risk of pigmented retinopathy is a condition involving damage to the retina.