As the promotion of computer, diseases related with computer become more active, for long-term work in face of computer, many people have dryness eye and visual disturbance. The common optical 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 way to avoid dry eyes is to keep the eye moistly. People should have a rest for 5-10 minutes every working for one hour at the front of computer, they can see the distant views to make the eyes relax.
And wink more so as to reduce the time that the eyeball's exposure to the air and avoid evaporation of tears. When resting, exercise your muscles of your neck and shoulders. Because stiffness in the neck muscles can also affect vision. Be sure to have adequate sleep, do not stay up late, drink plenty of water, eat a variety of fruits and fresh vegetables, and fish, eggs and so on. 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 But a good habit of blinking frequently is the best way on anti-dryness. The specialists think dryness eye is a disease from stress, which is caused by eyes' staring on something for too long time.
Therefore, the best way to avoid eyestrain is appropriate rest, must guard against continuous operation. If you are a ray ban 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. Work posture and distance are also very important. Try to keep at a distance of more than 60cm, and adjust to the most appropriate posture, making eyes keep down to about 30 degrees. 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.
The people who work with computer for long time shoud get more vegetables and fruits to help promote the amount of vitamin A, B1, C and E obtained.
- 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 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 sunglasses is a nutrient for nerve, and yellow vegetables are high in that. Drinking some yellow tea everyday could improve hemopoiesis function of human body and prevent radiation for its high content in ipopolysaccharide.
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. 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. Generally speaking, a person winking 5 times every minute can make the eye dry. A man working at the computer wink one third of the times in normal times.