Experts point out that dry eye disease is a multiple disease of the middle-aged and elderly people over 50 years old. However, with the popularity of computers, some teenagers stay in front of computers for several hours every day. During this period, their attention is highly concentrated, and the number of blinking eyes is greatly reduced. It is easy to cause vascular and nerve regulation disorders and conjunctival congestion. So how to prevent xerophthalmia?
(1) Develop the habit of blinking more, to effectively prevent dry eye disease the best way. Professionals believe that dry eye disease is a kind of stress type disease, the problem lies in the eyes staring at one direction for a long time. Therefore, the best way to avoid eye fatigue is to rest properly and avoid continuous operation. If you are a spectacler, it's important to have the right glasses. People over 40 years old should use bifocal lenses or wear glasses with lower power when typing. The working posture and distance are also very important. Try to keep the distance of 60cm and adjust the most appropriate posture so that the line of sight can be kept down about 30 DEG; such an angle can relax the muscles of the muscles and minimize the area of the eye surface exposed to the air.
(2) Long term computer operators, should eat more fresh vegetables and fruits, while increasing the intake of vitamin A, B1, C, e. In order to prevent dry cornea, dry eyes, poor eyesight, and even night blindness, computer operators should eat more foods rich in vitamin A, such as bean products, walnuts, vegetables, Chinese cabbage, water spinach, tomatoes and fresh fruits. Vitamin C can effectively inhibit cell oxidation. The main function of vitamin E is: reduce cholesterol, clear body garbage, prevent cataract. Walnut and peanut are rich in vitamin E. Vitamin B1 can nourish nerves, green leafy vegetables contain a lot of vitamin B1. Green tea can be properly drunk every day, because the lipopolysaccharide in tea can improve the body's hematopoietic function, and the tea has the function of preventing radiation damage. These foods can effectively prevent dry eye disease.
(3) In order to avoid the reflection or unclear of the fluorescent screen, the computer should not be placed on the opposite side or back of the window, and the ambient lighting should be soft. If there is a window behind the operator, these foods can effectively prevent dry eye disease. Close the curtain to avoid the bright light directly shining on the screen, reflecting bright images, causing eye fatigue. Usually, the average person blinks less than five times per minute, which will dry the eyes. When a person works in front of a computer, he blinks only a third as much as usual, thus reducing the secretion of lubricants and enzymes in the eye. You should blink more and rest your eyes at least once every hour.