What exactly causes dry eyes?
on December 02, 2022
What exactly causes dry eyes?
1. Caused by excessive tearing
Tears are a burden on the eyes, and when something sad happens, they cry for a month.
Eye swelling is one of them, which can also lead to water loss, resulting in dry and sore eyes.
2. Caused by lack of vitamin A
The lack of vitamin A in the human body will also make the eyes feel dry and fatigue.
In severe cases, the white surface of the eyes is dry, wrinkled, and even night blindness occurs.
3. Caused by bacterial infection
Once a foreign body enters the eye, it is easy to be infected by bacteria and symptoms of dry eyes appear.
Usually, such as rubbing your eyes with your hands, eye makeup is not removed, etc.
Getting bacteria into the eye can also cause eye dryness.
4. Caused by less blinking
We are always used to staring at the screen of computer, TV, mobile phone, etc. for a long time.
Once the number of blinks is not enough, the surface of the eyeball will be exposed for a long time and the tears will evaporate too much.
It is easy to have dry eyes.
5. Caused by excessive use of eyes
A person reads books, watches TV, surfs the Internet, etc. for a long time.
When the eyes are overloaded with work, it is easy to cause visual fatigue and dry eyes.
Such as reading and writing in an environment that is too strong and too dark; Reading books and getting too close to books and screens on the Internet will cause dry eyes.
6. Caused by wearing contact lenses for a long time
Contact lenses are external substances and should not be worn for a long time.
Wearing contact lenses for a long time can easily produce visual fatigue, which will lead to dry eyes, soreness, foreign body sensation
7. Caused by swimming
After swimming, sometimes you feel dry and sore eyes.
That's because the free residual chlorine in many swimming pools exceeds the standard, which can have a stimulating effect on the eyes.
Or it may be dry and sore eyes caused by bacterial, viral, Chlamydia trachomatis and other inducers brought by the swimmer himself.
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