Signs of eye sub-health need attention

　　Eye sub-health introduction:
　　After a long time in front of the computer, do you also have the feeling that your eyes are swollen and itchy, at first you think they have something in them, but then you feel more dry, tingling, photophobia and tears? This is the "dry eye" that troubles white-collar workers. The root cause is the computer. (Jixi News Network) In Japan, one out of every three long-term computer operators suffers from xerophthalmia, which is 5:1 in China.
　　When addicted to computers, the decrease in the number of blinks reduces the secretion of lubricants and tear in the eyes, the cornea can not be fully moisturized, resulting in dry eyes discomfort, which will lead to dry eyes for a long time. In the dry season, the symptoms will worsen with the addition of spicy hobbies, tobacco and alcohol stimulation, endocrine disorders and so on.
　　For the general public, because they are not in a tense working environment, they do not use their eyes very frequently, which is much better than the office workers. For the office workers, especially those who have to face the computer every day, their eyes are prone to fatigue, dry and poor vision, that is to say, they are in a sub-healthy state. Because the computer fluorescent screen is composed of small fluorescent points, the eyes must constantly adjust the focal length to ensure clear vision. If the time is too long, the eye muscles will be too tired, and even itchy, burning, photophobia, blurred vision and visual impairment will occur. But the eyeball is exposed to the air for a long time, so that the water evaporates too fast, causing dry and uncomfortable eyes, and even serious cornea damage.
　　Eye is in a sub-healthy state for a long time, which will lead to conjunctivitis, glaucoma, cataract, xerophthalmia and other eye diseases.
　　Eye sub-health symptoms:
　　In the evening, the eyes are bloody, painless and itchy, but they feel hard to open their eyes, and the muscles around them are a little tense, which is a sign of eye fatigue.
　　During the day long time in front of the computer operation, dry eyes, eye movement is inconvenient, and sometimes severe eye pain, but can not find obvious diseases, this is the common dry eye disease.
　　A small haematoma suddenly appeared in the white area, which was very frightening, but painless. It disappeared spontaneously after a few days.
　　On the length of sleep, there are obvious secretions in the corners of the eyes after waking up. Look over the eyelids, there are some small spots, but there is no foreign body feeling.
　　Suddenly, the black circle of the eye was more obvious, with bags, glassless eyes, and some dull.