Be Cautious, Dryness to the Beautiful Eyes for PC Office Clerks
With the popularization of computers, eye diseases associating with computer are progressively growing. Many people working at computers for a long time often feel their eye dry and vision blurred. Feeling of acerbity and eyewinker is the usual symptom of dry eyes. Some other symptoms are burning feeling, itching feeling, photophobia, erythralgia, obscure sight, frequent tiredness of eyes, sticky filamentous secretion, etc. The best way of precaution is to keep eyes wet. Take a breath for 5 to 10 minutes every working hour, overlook the scene far away to relax your eyes.
Also blink more in order to reduce the time for eye’s exposure to the air and avoid the tear evaporate; Move the neck and shoulder muscles when resting. 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 effectively. 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.
Therefore, the best way to avoid eye fatigue is to rest appropriately and avoid continuous operation. If you are a prescription sunglasses 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. When working, the posture and distance from the computer are also very important. People should keep a distance of more than 23.5 inches from the computer, and the most proper posture is a postion at which you can keep your sight at thirty degrees downwards, Because this posture can be helpful for the relaxation of muscles of neck and can reduce to a lowest degree the eyeball’s exposure area to the air.
Frequent computer workers should eat more fresh fruit and vegetables, and increase the absorption for vitamin A, B1, C and E.
- To prevent the corneal drying, dry eyes, decreased visual acuity, or even night blindness, etc., the computer operators should eat foods which is rich in vitamin A. Vitamin C controls cellular oxidation effectively, and vitamin E can decrease cholesterol, clean out rubbish inside the body, and prevent cataract. The walnut and the peanut contain a lot of vitamin E.
- Vitamin B1 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 tea has a function to prevent radiation damage.
In order to avoid reflective or unclear screen, the computer should not be placed on the opposite side or back of windows, the ambient lighting should be soft. If the computer operator has a window behind him, he should draw the curtain down, avoiding eye fatigue caused by the bright screenage because of the reflection of bright light. Under normal circumstances, most people will make eyes dry with blinking less than 5 times per minute. A person working at the computer having the blinking times are only one-third of usual blinking times, thus reducing the eyes lubricants and enzyme secretion.
