1, foods containing vitamin C.
Vitamin C is one of the components of eyeball lens. Lack of vitamin C can easily make the lens cloudy, which will lead to cataracts. Give children more foods containing vitamin C, such as various fruits and vegetables, among which green pepper, cucumber, cauliflower, Chinese cabbage, fresh dates and raw pears have the highest content.
2. foods containing vitamin a.
Vitamin A can prevent dryness and degeneration of conjunctiva and cornea, and can prevent and treat "dry eye". The cornea of the eye is dry and easy to be invaded by bacteria and fester, which will cause perforation and lead to blindness. Vitamin A can also enhance the adaptability of eyes to dark environment. Severe lack of vitamin A is prone to night blindness. Animal foods rich in vitamin A include pig liver, chicken liver, egg yolk, milk and goat milk. Plant foods, such as carrots, spinach, leeks, green peppers, red-hearted purple potatoes, oranges, apricots, persimmons, etc.
3. Foods containing calcium
Dietary calcium deficiency will increase the excitability of children's neuromuscular, make eye muscles in a state of high tension, thus increasing the pressure of extraocular muscles on the eyeball, which will easily cause visual damage for a long time. Therefore, children should eat more calcium-containing foods, such as lean meat, milk, eggs, beans, fish and shrimp, kelp, vegetables, oranges and so on. These foods are relatively rich in calcium, but the calcium content in foods is generally low, for example, the calcium content per kilogram of lean meat is insufficient. The calcium content of milk and dairy products is second to none in human food. The calcium content per 1ml milk exceeds 1mg, and the calcium in it is easily absorbed by human body. Therefore, it is necessary to develop the habit of babies drinking milk every day. In addition, cooking methods such as burning ribs soup and sweet and sour ribs can increase the calcium content.
4. Foods containing chromium
When the content of chromium in human body is reduced, the effect of insulin is obviously reduced, which makes the osmotic pressure of plasma increase, which leads to the change of the osmotic pressure of the lens and intraocular chamber of the eye, which makes the lens bulge and the diopter increase, thus leading to poor vision and myopia. Chromium needed by human body should be taken from natural foods, such as brown rice, corn, brown sugar, etc., with high content. In addition, lean meat, fish and shrimp, eggs, beans and radishes also have a certain content. Mom should pay attention that eating sweets will also change the osmotic pressure of the lens and aqueous humor, which will also make the lens bulge and increase the diopter.