Dry air caused by dry air?
Dry eye is caused by a variety of factors and has previously occurred in older people.
The number of patients with extreme dry eye has increased dramatically, mostly among white-collar workers.
Under normal circumstances, the tear glands of the eyes secrete tears and moisten the eyes.
But focusing too much on the eyes, such as facing the computer for a long time, will reduce the number of blinks due to excessive concentration.
Blinking helps the lacrimal glands to secrete tears, and it is beneficial to the uniform distribution of the tear film on the surface of the cornea, keeping the surface of the eyeballs clean and moist.
With fewer blinks and less tears, the eyes will become dry and uncomfortable due to insufficient wetness.
If you stay in an air-conditioned room for a long time, the humidity is low and the air is not circulating, which will accelerate the evaporation of tears and cause dry eye.
For some office workers, because they face computer operations every day, the number of blinks is greatly reduced when the concentration is high, and the tear secretion is also reduced. With the radiation of the screen light, the cornea moistened by tears becomes dry.Unbearable, eye pain and foreign body sensation will occur.
The general eye drops often contain preservatives, antibiotics, but not only can not change the symptoms of reduced tear secretion, such as long-term use will cause certain damage to the eyes.
The symptoms of dry eye include: dry eyes, itching, eye fatigue, and foreign body sensation.
Experts say these symptoms are usually not severe and people often don’t care.
However, research proves that the eyes are dry for a long time, and the damage to the eyes is irrecoverable. Dry corneal and conjunctival epithelium is dry in patients with dry eye, and even dry spots, fibrosis, etc., cause conjunctivitis and eye infections, and even cause blindness in severe cases.Need to be taken seriously and seek medical advice in a timely manner.
There are several reasons that are likely to cause dry eye: 1.
Long-term use of computer and focus on work and study can reduce the number of blinks and reduce tear secretion; 2.
2. Eyeball moisture evaporates too quickly in air-conditioned environments. In addition, in smoke, ultraviolet rays, air pollution, and high-temperature environments, tear vapor can be increased, causing dry eyes.
Contact lenses are floating on the tears.
Wearing contact lenses will accelerate the evaporation of tears and cause dry eye; 4.
In people over 65 years of age, the number of people with dry eye is significantly increased, because tear production decreases with age.
Reduced tear secretion makes the eyes susceptible to irritation, sometimes causing an instant tearing response, that is, tearing.
Menopause, pregnancy, lactation and other women are also prone to dry eye symptoms due to changes in estrogen levels.
Certain diseases such as rheumatoid arthritis, diabetes, cataracts, glaucoma and certain drugs such as antidepressants, antihistamines, etc. can also reduce tear secretion and cause dry eye symptoms.
How to effectively prevent dry eye?
To prevent dry eye, the first thing to do is to “keep an eye on”.
Blink often, at least 4?
5 times / minute, changing the blinking eyes is conducive to tear secretion.
Air conditioner that does not blow for too long.
Avoid blowing air through the seat and place a glass of water near the seat to increase the surrounding humidity.
Eat more fruits, vegetables, dairy products, fish and other vitamin supplement foods; drink plenty of water can also help reduce dry eyes.
Maintain good habits, get enough sleep, and stay up late.
Avoid operating the computer continuously and pay attention to the rest.
Usually use the computer continuously for more than 1 hour, should you rest for 5?
10 minutes, looking into the distance, can also do eye exercises to relax the eyes naturally.
Maintain an optimal posture with your eyes looking up or looking down at the screen.
When the light in the room is dark, turn on the fluorescent lamp to alleviate the concentrated exposure of the screen light to the eyes; the ambient light should be soft, the brightness of the computer screen should be appropriate, the scale should be good, and the height of the table and chair should match the height of the computer.
Don’t wear contact lenses for too long.
Because the oxygen required by the human cornea is mainly air, the oxygen in the air is usually dissolved in tears and then absorbed by the cornea.
Wearing contact lenses early will reduce tear secretion and circulation.
Reduce time spent in airy environments.
Once dry eye symptoms appear, seek medical attention in time to improve the symptoms by adding artificial tears.
Remember not to use other eye drops at will, so as not to damage the eyes and aggravate the disease and cause other eye diseases.