In the eyes of most people, visual fatigue is just because the eyes are tired. Just take a break and you will be able to do it immediately. There is no need to do eye care. As everyone knows, visual fatigue is an important appearance of many eye and systemic diseases. If it is not treated promptly, it will not only seriously affect the work, study and daily life of patients, but also delay the disease hidden behind visual fatigue.
Asthma fatigue: also known as eye fatigue, mainly manifested as visual impairment, such as blurred vision, ghosting, overlapping lines, and text jumping when using eyes at close distances. When you are in the distance, it takes a moment to see it gradually. Eye symptoms include eye sleepiness, fear of light, heavy eyelids, difficulty in blinking, soreness or pain around the eyeballs and eyelids, tearing, foreign body sensation, dry eyes, eyelids and so on. Patients with severe visual fatigue may also have varying degrees of systemic symptoms such as headache, dizziness, weakness, nausea and vomiting.
External environmental factors are important causes of visual fatigue, such as insufficient or too strong light, uneven distribution of light sources or flickering, gazing at targets too small, too thin or not Stable and so on. In addition, some eye diseases and systemic diseases can also cause visual fatigue, and everyone should be vigilant.
Diseases that cause visual fatigue:
1. Refractive error
Myopia, hyperopia, astigmatism, and presbyopia To see the target, it is often necessary to use more adjustment power than the normal eye to compensate for the lack of refraction of the eye. Over time, it will lead to visual fatigue. Need to be reminded that although the glasses are the first choice to eliminate visual fatigue caused by refractive error, but must go to the specialist hospital for accurate optometry. If the corrective glasses are not suitable, it will cause visual fatigue due to excessive use of the adjustment force.
Second, primary angle-closure glaucoma
In patients with primary angle-closure glaucoma, patients often have blurred vision, sore eyes and headache symptoms, rest After the self-remission, there is no significant difference from the common symptoms of visual fatigue. At this time, if the patient is paralyzed and does not seek medical treatment in time, glaucoma is likely to have an acute episode in the cause of mood swings, excessive fatigue or darkroom environment, causing irreversible and serious damage to the eyeball.
Three, dry eye syndrome
In the past, visual fatigue was more common in middle-aged and elderly people. With the development of society, the symptoms of fatigue appear more and more in the young “game family”, “office family” and “car owners”, dry eye syndrome is called “the culprit.” The visual fatigue caused by these people is mainly the result of long-term blinking and computer radiation.
Four, systemic diseases
The symptoms of visual fatigue are in the eyes, but the cause may be complex systemic diseases such as rickets, early mental illness, menopausal syndrome, hyperthyroidism, high blood pressure, Hypotension, anemia, diabetes, cardiac insufficiency, post-mortem recovery, childbirth and lactation. It is often difficult to eliminate the symptoms of the above-mentioned patients with drugs or corrective glasses, and it is necessary to treat the primary disease.
Effectively remove visual fatigue
1. Life should be regular, rest and sleep should be adequate.
2. Improve the working environment, the lighting should be light and dark, direct lighting combined with indirect lighting, so that the brightness around the work is not too much less than the brightness of the work.
3. Keep a certain amount of humidity in the room during the dry season or when using air conditioners.
4. Pay attention to eye hygiene. The posture should be correct and the object should be kept at an appropriate distance. Avoid long, close, and too fine work. When using the computer for a long time, the clarity of the screen should be good, the brightness should be moderate, the distance between the eyes and the screen should be about 60 cm, and the eyes should look down at the screen or look down at the screen for 5 to 10 minutes, as far as possible. Relax and rub your eyes.
5. Supplementing lutein can effectively prevent eye fatigue.
Lutein is a carotenoid naturally found in fruits and vegetables. It is a good antioxidant that protects cells from free radical damage. Lutein is found in the eyes, skin, serum, cervix, brain, heart and chest of the human body, especially for the eyes. It is the most important nutrient for the retina and cataract. The eye is the most vulnerable organ in the human body to be damaged by light. Light entering the eye, the blue part needs to be absorbed by lutein. In addition, the free radicals produced by light can also be removed by lutein. After eating lutein-rich foods or lutein supplements, the concentration of lutein in the blood will increase, and the lutein on the macula of the retina will increase, thereby reducing the chance of “aging macular degeneration” .
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