Eyes are dry and astringent Should eat more vitamin A

Eyes are dry and astringent Should eat more vitamin A
Summary: Natural vitamin A only exists in the animal food, for instance: In animal's liver, eggs, cream and cod liver oil; Carrotene that the plant includes enters the human body, can change into vitamin A (a milligram of carrotene in the liver =0. 167 milligrams of vitamin A) .
Stay for a long time and watch TV, operate the computer, play the video game or read etc. in the room, often cause and excessively use the eyes and present diseases or discomfort symptoms of the eye. If it is astringent depending on thing cover with the intersection of , and the intersection of eyes and the intersection of sour bloated pain,etc. and visual fatigue and symptom for eyes to do, or cause dry eyes, the glaucoma is acute break out etc.. This because of focus attention, use eyes for a long time mainly, human eye blink, move number of times 20-25 times reduce to 5-10 times from usual every minute, thus secretion and distribution of the tear that has influenced the surface of eyes to play a wet pharmaceutical role. Blink number of times reduce, make cornea exposed to time of air, lengthen, all these hinder distribution and evaporation to accelerate tear of oil under tear from, therefore cause the eyes to do the astringent, foreign matter sense, the conjunctiva is congested etc.. In addition, will spend soon nearbily in odd hours continuously, will consume the sensitization pigment (visual purple) storing in in the optical fundus will be organized in a large amount ,Can obviously influence the visual function. Ciliary muscle shrink, can form, regulate convulsion, will also further develop into myopia in teenagers continuously for a long time.
The German physician warns recently, people should pay attention to this disease, otherwise it is ill and easy to cause the injury to eyes, even lose one's sight. The physician whose eyes of Germany cure the association introduces, eyes have burn feeling, or red swelling happens and feel that there is foreign matter etc. in the eyes, eyes do symptom of the astringent disease. Conscious shedding tears and can relieve this symptom, but does not treat the good recipe.
Propose:
Avoid that it is nearby to use soon for a long time: Use the eyes for an hour continuously, need to let eyes have a rest, watch for about 10 minutes in the distant place, watch TV every day or computer screen time try hard not to less than 4 hours totally.
Correct the bad posture: Avoid, lie, see with oblique to watch TV, change the habit of watching TV continuously for a long time, do more outdoor activities.
Pay attention to supplying nutrition: Supplement vitamin A or eat more rich food containing vitamin A appropriately, in order to supplement the visual purple consumed.
Natural vitamin A only exists in the animal food, for instance: In animal's liver, eggs, cream and cod liver oil; Carrotene that the plant includes enters the human body, can change into vitamin A (a milligram of carrotene in the liver =0. 167 milligrams of vitamin A) .
Vitamin A can be promoted and grown, protect eyesight at night and can increase resistance against diseases and anticancer function. Vitamin A lacks can lead to the fact children grow sluggishly, development is bad, suffer from nyctalopia, but can't take a photograph of too many people, so as not to cause chronic poisoning. Red yellow vegetables, fruit and vegetables with green leaves contain more carrotene.
The rich food containing vitamin A mainly has animal food such as liver, fish, marine product, cream and egg of the animal. In addition salty hairtail, black carp, silver carp, yellow eel, squid, clam, cream, people's milk, milk,etc. contain 140- 846 international unit vitamin A( Every 100 grams) .
The rich food containing carrotene is mainly orange and green vegetables. The spinach, carrot, fragrant-flowered garlic, rape, shepherd's purse, first class every 500 grams of Ma Lan can include more than 14 milligrams of carrotene, so long as eat need that can meet children vitamin A of 120- 150 grams every day. Mustard greens, pakchoi, sweet potato, shallot, tomato, green pepper,etc.. It is 1 that every 500 grams include carrotene. 5- 7. 4 milligrams.
So long as pay attention to choosing the food, non- partial to a limited variety of food, it is easy to meet demands of vitamin A for one day, but to some special crowds such as wet nurse, baby, totally it is more difficult to satisfy the demand from the food, can use and add the cod liver oil method, it should not be too much but should pay attention to consumption. In order to prevent the seasonal shortage of the North, had better be having the season of vegetables with green leaves, eat more vegetables rich in carrotene, there is certain storage in the body to make.
Appear eyes do astringent ruddy when watching the TV continuously, have scorching hot sense or foreign matter sense, the eyelid is heavy, see the things fuzzily, even the bloated pain of eyeball appears or have a headache, visual fatigue and symptom appear to explain, stop seeing nearbily immediately, can do eye exercise and can also relieve fatigue through the way that the damp and hot towel give a hot compress to the eyes. If deal with through being above-mentioned, has not still obviously taken a favorable turn, then need to go to the hospital to see the oculist.
The editor recommends:The young white collar needs to eat more vitamin AThe efficiency of beauty and skin care of vitamin A is strongToo much vitamin A will be caused and depilated
|