Essential vitamins deficiency of the eye may cause vision problems
Vitamins are divided into two parts, vitamins are soluble in fat and soluble in water
Soluble vitamins fat-1 -
A soluble vitamins in the middle of greasy before it is absorbed in the blood to carry out its functions, and the surplus stores in the liver; for this reason, the body does not need to supply these vitamins every day. This section is vitamin:
(A) - a, (D) - d, (E) - e, and vitamin K (K)
Vitamins are soluble in water: 2 -
A soluble vitamins in a water before it is absorbed and the surplus is not stored in the body, but presents with urine. Therefore, the body needs to supply on an ongoing basis through food.
vitamins for eye health group:
(B) - b and (C) - c
Fall under this section.
Vitamins are soluble in water easily lost during storage or food preparation; still have to use special means during storage or preparation of foods rich in these vitamins to reduce the loss, including the cooling of fresh produce, put milk and cereal (maize and wheat) away from strong light also address water resulting from cooking vegetables (broth) soup.
What are the essential vitamins for the eye?
Essential vitamins for eye health include vitamin A, E, C, B 2, b 1 and b 12.
Vitamin A (A)
Vitamin "A" of the most important vitamins for the eye
Functions:
Manufacture of dye
1 - a purple pigment found in the optical receptors of the retina called the Rods, composed character is a result of a protein with a vitamin" A". The importance of this dye in the eye as it allows for adjustment during the dark (dark adaptation)
Therefore, any deficiency in this vitamin will adversely affect this adjustment process and, accordingly, will be affected by vision in dim light.
2 - Maintaining the integrity of the tissue lining the surface of the parts of the body (epithelial tissues) and constitute one of the tissue layers of the cornea of the eye.
3 - Since the vitamin "A" is one of the antioxidants it works to reduce the incidence of cataract in the lens of the eye, especially in the elderly, because the white water is a result of oxidation processes inside the lens, which cause the loss of lens transparency, and thus gradually to consider.
vitamins for eye health
Shortages could lead to:
1 - the inability to see in dim light is known as the evening night .
2 - severe drought for an eye
This includes the emergence of white tissue collected in the part of the conjunctiva
This results in cirrhosis of the tissue cells and surface- spots in addition to dryness, corneal ulceration and eventually lead to blindness.
Sources.
- Vitamin "A" only in animal sources such as eggs, liver, meat and dairy products (margarine, butter, yogurt, milk, cheese).
Vitamin E (E)
The importance of vitamin E because it protects all the vitamins are soluble in fat oxidation, by preventing the union with oxygen that leads to a loss of effectiveness. Because this vitamin is an antioxidant, the synthetic forms of it are used to reduce the incidence of white water.
vitamins for eye health
Sources :
Often contain most of the food on vitamin E and is cottonseed oil, margarine (vegetable ghee factory) and peanut oil are good sources of this vitamin. Vitamin E is also in the corn, nuts, olives, vegetable oils and green leafy vegetables.
Vitamin C (C)
The level of vitamin C in the eye decrease with aging; but the supply of food rich in this vitamin reduces this shortfall, also vitamin C, vitamin A, as have is he is working to reduce the incidence of white water as an anti-oxidant. It is worth mentioning that the effectiveness of vitamin C a maximum When combined with vitamin E.
Sources :
The different kinds of oranges and lemons are excellent sources of vitamin C, as well as tomatoes, strawberry, white sweet potatoes, green peppers, broccoli, peas, spinach and lettuce.
Vitamin B-2 (B2)
Involving vitamin B-2 enzymes in the installation of two types of escorts enzymes and help escort role in the oxidation processes that occur within cells; also release energy from carbohydrates, proteins and fats of all these processes to protect the eye as it may help reduce the risk of cataract.
vitamins for eye health
Shortages could lead to:
- Conjunctivitis
With the appearance of blood vessels around the cornea
- Opacity in the lens of the eye
Sources:
Milk and eggs.
Legumes and cereals.
Lean meat and fish.
Green vegetables.
It should be noted that smoking prevents improvement in the situation with this disease because it works on the inhibition of absorption of vitamin B 1, and 12 through the body tissues.
vitamins for eye health
Their sources :
Vitamin B-1 in the non-peeled whole grains, especially rice can also be obtained from meat, fish, legumes, peanuts, fenugreek, mint and parsley. The vitamin B 12 existent, meat, eggs, milk and milk products. So you might suffer vegetarians (those who rely on vegetables and plant foods as food to them) from a lack of vitamin B-12, and that the lack of plants for this vitamin.