Foods rich in vitamin A Vitamin A is closely related to normal vision.

If vitamin A is insufficient, the regeneration of rhodopsin will be slow and incomplete, and the dark adaptation time will be prolonged, which may cause night blindness in severe cases.

If dietary vitamin A continues to be deficient or insufficient, dry eye disease will occur. If the disease further develops, it may cause corneal softening and corneal ulcers, and corneal wrinkles and Pitt's spots may also occur.

The best food sources of vitamin A are various animal livers, cod liver oil, fish eggs, poultry eggs, etc.; the provitamin A contained in vegetables such as carrots, spinach, amaranth, alfalfa, red sweet potatoes, pumpkins, and green peppers can be used in the body.

Converted to vitamin A.

Foods rich in vitamin C Vitamin C can weaken the damage of light and oxygen to the lens of the eye, thereby delaying the occurrence of cataracts.

Foods containing vitamin C include bell peppers, tomatoes, lemons, kiwis, hawthorns and other fresh vegetables and fruits.

Calcium is related to the composition of the eyeball, and calcium deficiency can lead to myopia.

Adolescents are in the peak period of growth, and the demand for calcium in the body is relatively increased. If calcium supplementation is not paid attention to, it will not only affect bone development, but also reduce the elasticity of the developing eyeball wall-sclera, and increase the intraocular pressure of the lens, resulting in

The front-to-back diameter of the eyeball is elongated, causing myopia.

Foods rich in calcium mainly include milk and its products, shellfish (shrimp), bone meal, beans and bean products, egg yolks and dark green vegetables.

Chromium deficiency can easily lead to myopia. Chromium can activate insulin and maximize the biological effect of pancreatic islets. If the human body has insufficient chromium, it will cause insulin to regulate blood sugar function and increase plasma osmotic pressure, causing the osmotic pressure of the eye lens and aqueous humor to increase.

and diopter increase, thereby inducing myopia.

Chromium is mostly found in brown rice and wheat bran, and is also rich in animal livers, grape juice, and nuts.

Zinc Zinc deficiency can lead to visual impairment. Zinc is mainly distributed in bones and blood in the body.

The corneal epidermis, iris, retina and lens also contain zinc. Zinc participates in the metabolism and transportation of vitamin A in the eye, maintaining the normal tissue state of the retinal pigment epithelium and maintaining normal vision function.

Foods containing more zinc include oysters, meat, liver, eggs, peanuts, wheat, beans, cereals, etc.

In addition to iodine, kelp also contains 1/3 of mannitol. There is a thick layer of "white frost" on the surface of dried kelp. This is the mannitol in kelp. Mannitol has a diuretic effect and can reduce intraocular pressure.

It has good efficacy in treating acute glaucoma.

Other seaweeds such as wakame also contain mannitol, which can also be used as an auxiliary food for the treatment of acute glaucoma. Eating onions can improve eyesight. It is said that eating onions can improve eyesight.

Experts point out that onions can improve eyesight, but raw onions and raw garlic are harmful to eyesight. People with poor eyesight should eat less.

There is a saying in ancient Chinese medicine books that "sour and pungent food harms the eyesight", which means that vegetables with a smelly or spicy taste will damage vision.

In fact, in addition to garlic, spicy vegetables such as ginger and onions are also harmful to vision health.

Therefore, experts remind people who like to eat these foods that it is best to cook these foods before eating them, which can reduce the spicy taste of the food itself.

Eye Care Recipe 1: Wolfberry and Mulberry Porridge Ingredients: 5 grams of wolfberry, 5 grams of mulberries, 5 grams of yam, 5 red dates, and 100 grams of japonica rice.

Method: Boil the above ingredients into porridge and eat it.

Efficacy: The wolfberry and mulberry in this recipe can nourish the liver and kidneys, while the yam and red dates can strengthen the spleen and stomach.

If people with visual fatigue can take it twice a day, morning and evening, for a longer period of time, they can not only eliminate the symptoms of eye fatigue, but also enhance their physical fitness.

Eye care recipe two: Black beans and walnuts mixed with milk Ingredients: 1 spoon of black bean powder, 1 spoon of walnut kernel puree, 1 packet of milk, 1 spoon of honey.

Method: Fry 500 grams of black beans, wait until cool, and grind into powder.

500 grams of walnut kernels, fry until slightly charred and remove the coating, wait until cold and pound into mud.

Take 1 spoonful of each of the above two foods, pour 1 cup of boiled milk and add 1 spoonful of honey. Take it every morning or after breakfast, or with breakfast.

Efficacy: Black beans are rich in protein and vitamin B1, etc., with high nutritional value. Because black food enters the kidneys, combined with walnut kernels, it can increase the power of kidney replenishment. Together with milk and honey, these foods contain more vitamin B1, calcium,

Phosphorus, etc., can enhance intraocular muscle strength, strengthen regulatory functions, and improve symptoms of eye fatigue.

Sesame and wolfberry tea: Soak 10 grams of Semen elata, 10 grams of Cuscuta, 12 grams of black sesame, 20 grams of Lycium barbarum, 15 grams of Polygonum multiflorum, 10 grams of Zeelan, and 10 grams of salt for 10 minutes, filter out the residue, and drink instead of tea.

Efficacy: Improve eyesight, mainly cure vision loss.

Spinach eye-protecting soup: 60 grams of pork liver, 130 grams of spinach, a little each of salt and sesame oil, 1 liter of clear broth, simmer for about 20 minutes, filter the residue and leave the soup.

Efficacy: Nourish the liver and blood, improve eyesight and moisturize dryness. Regular consumption can improve vision, and can cure night blindness and anemia in children.

Wolfberry and cassia seed porridge: 10 to 15 grams of cassia seeds, 10 grams of chrysanthemum, 10 grams of wolfberry, 50 to 100 grams of japonica rice, appropriate amount of rock sugar, cook porridge, once a day.

Efficacy: You can also add some honey to the porridge when taking it, which can increase its intestinal moisturizing effect. The wolfberry also has the effect of improving eyesight.