Over-use of computer , if not be careful , the most likely to get suffer is our eyes . The computer users operate the computer to see the file , enter text , looked up the screen and other repetitive movements , the daily average of the eye is to move about 20000 - 30000 times ,these actions have to rely on the control of eye culinary muscle if fatigue or rest not enough , this may cause permanent damage to eyesight .
Culinary muscle play a role In the regulation of focal length , when we look near , the culinary useless will shrink .If we continue to see near object for long time , It will cause the culinary muscle spasm. Beside that , if we long-term deal with the computer keyboard , typing on the keyboard repeat daily or move with the mouse , the wrist joint intensive , repeated and excessive active , gradually it will formed a wrist injury , easy to get wrist syndrome , commonly known as "mouse hand" . It will appear forefinger or middle finger pain , numbness and thumb muscles powerless , develop nerve damage may result .In addition , If sedentary In front of the computer with Incorrect posture , but also prone to neck and back pain and back pain , computer down syndrome , dizziness psychosis compete, but the computer more harm to humans Lies in Its potential hazards , such as multiple personality disorder , psychopathic higher cognitive functions with brain disorders , physiological and psychological so-called psychosomatic diseases , such as autonomic dysfunction , obesity and so-on .
As a conclusion , computer users should have supportive comfortable chairs with purposive backs.Regular exercising will help prevent over-straining muscles and should try not to spend more than two hours on the computer without a long break. The best way to prevent carpal tunnel syndrome is to practice good posture. Elbows should be bent at 90 degrees, and the wrist should have proper support. Overuse of Computer By Monochrome 119 In modern society , the computer has become an indispensable tool in people's lives and work , but it also increasingly becoming a 'double-edged sword'. When it bring taught or rest not enough , this may cause permanent damage to eyesight .
Culinary muscle play a role in the regulation of focal length , when we look near , the culinary muscle will shrink . If we continue to see near object for long time , it will cause the keyboard repeat daily or move with the mouse , the wrist Joint intensive , repeated In addition , if sedentary in front of the computer with incorrect posture , but also psychosis compete, but the computer more harm to humans lies in its potential hazards.
