health problems associated with computer use مشکلات سلامتی مرتبط با استفاده از کامپیوتر

Visual discomfort is a frequent complaint of computer workers. Eyestrain and headaches blurred vision are the most common problems reported. Other problems include double vision , buing and dry eyes , eye fatigue , light sensitivity , and after-images . Neck shoulder and back pain can also be related to viewing the computer keyboard and/or screen. The American Optometric Association has designated this complex of problems as c omputer v ision s yndrome (