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 ray ban 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 to avoid dry eyes is to pay attention to moisturize eyes. Rest 5 to 10 minutes after working at computer for one hour. Relax eyes by looking afar.
Also you should blink frequently to reduce the time of tear evaporation when eyes are exposed to the air. When having a rest, do neck and shoulder exercise to release the muscle. 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.
Therefore the best way to avoid eye fatigue is appropriate rest instead of continuous operation. If you wear ray ban sunglasses , it's important to have a suitable pair of glasses. For people over 40 years of age it’s best to use dual-focus lens, or when typing, wear glasses of lower degrees. the posture of working and distance are also vital, try to keep at a distance of 60cm above and adjust to a most appropriate posture so that the view can be keeped about 30 degrees down. Such an angle could relax your neck muscles and the exposure area of your eye balls in the air is reduced to the lowest level.
People who use computers for long time should have more fresh vegetables and fruits to take in more vitamin A, B1, C and E.
- To prevent corneal dryness, eye dryness, decreased visual acuity, or even night blindness, etc., computer operators should eat foods rich in vitamin A. Vitamin C can effectively inhibit oxidation. The main effects of vitamin E are: lower cholesterol, clear body waste and prevent cataracts. Walnuts and peanuts are rich in vitamin E.
- Vitamin B1 ray ban online can be nutrition for the nerve. Green leafy vegetables contain large quantities of vitamin B1. Drink green tea every day appropriately because the LPS in the tea can improve the body hematopoietic function, and the tea also has th
the computer should not be placed on the opposite of or back the windows in order to keep fluorescence screen from glisten or be unclear,and environmental illuminance should be soft. If there is a window behind the operator, the curtain shoud be up to prevent the image refected from the screen caused by strong light's direct shining from fatiguing your eyes. Under normal circumstances, most people blink less than 5 times per minute, the eyes will be dry. The time of blinking eyes of the people who work at the front of computer is usually only one-third of that in common time, thus can reducing the secretion o