With the popularity of computers, computer-related eye diseases are also increasing, and many people who work long terms at the computer often have feelings of dry and astringent eyes and blurred vision. The common eyewear symptoms of dry eyes are eye dry and having the sense of foreign body. The other symptoms include burning sense, itching, photophobia, red pain, blurred vision, easy to be in fatigue, and there is the sticky silk secretion and oth The best method to avoid eyestrain is paying attention to the moisturizing of eyes. One hour's work before computer should be matched with five to ten minutes of rest by looking out into the distance, which has the function of relaxing the eyes.
Then often blink in order to reduce the time of eye exposure to the air to avoid the tear evaporation. During rest, move the muscles in neck and shoulders. Because the rigidity of muscles of neck may also have bad influence on people's eyesight; people should ensure sufficient sleeping, avoid staying up, drink more water and eat various fruits, fresh vegetables, fish and eggs, etc. In addition, adenophora stricta, ophiopogon japonicus, chrysanthemum, semen cassiae can be mixed with the same quantity as ten grams every time with boiled water to make instead of tea, so that it can avoid the eye dry and prevent the occurrence of xeroma The best way to prevent scheroma is to develop the habit of blinking frequently. According to professionals, the scheroma is a pressure type disease brought out by looking into one direction for long time.
So taking rests properly is the best way to avoid eye exhaustion. Never use eyes relentlessly. If you are a bifocals user, then it is very important to match a pair of suitable glasses. People over 40 years old had better use dual-focus lens, or when typing, wearing the glasses with lower degree. The work posture and distance are also very important, try to keep the distance longer than 60cm, and adjust one of the most appropriate posture, making eye can keep down to in about 30 degrees. Angle like this can relax your muscles of neck, reducing the area of eyeball exposure to the air to the minimum.
People long-term engaged in computer operations should eat more fresh vegetables and fruits,meanwhile add the ingestion of the vitamin A, B1, C and E.
- Computer operater should eat more food which contains vitamin A in order to prevent cornea dry, eye dry, eyesight decline even night blindness accur and etc. Vitamin C could effectively constrain cell oxidation. The main function of vitamin E is lower the cholesterol and get rid of waste in body to preclude cataract. Walnut and peanut have abundant vitamin E.
- Vitamin B1 reading glasses may nourish the nerve; the green leafy vegetables contain large quantities of the vitamin B1. Drink appropriate amount of green tea every day because the LPS in the tea can improve the hematopoietic function in the body, and the t
In order to avoid the light reflection and unclarity of fluorescent screen, computers should not be placed opposite or against the window, and the soft luminous environment is also required. Put down the curtain if there is a window behind the computer user, in case that reflection of light that shines directly to the screen causes exhaustion of eyes. Usually, eyes would be dry if we blink less than 5 times per minute. When working in front of computer, we would blink as one third of the times as we commonly do, that would sharply decrease the secretion of lubricant and enzyme.
