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Computer vision syndrome in many computer users

Approximately 90 million people are estimated to be using computers worldwide. Following such widespread use of computers,concerns have been raised about various health problems being reported by computer users.

Written by Express News Service | Ludhiana |
July 24, 2009 3:06:01 am

Approximately 90 million people are estimated to be using computers worldwide. Following such widespread use of computers,concerns have been raised about various health problems being reported by computer users. The most common symptoms reported following repeated and prolonged computer usage are visual symptoms,including eye strain,tired eyes,irritation,burning,redness,blurred vision and double vision. These complaints have been grouped together to form a syndrome known as the computer vision syndrome (CVS).

This study was conducted by Dr Nitin Batra of the Department of Ophthalmology at Christian Medical College and Hospital. A total of 200 computer users were included,randomly selected from ten software-training centres in the city. A strict inclusion criteria was followed. The subjects graded their ocular symptoms and tear-film tests were performed.

Based on the diagnostic criteria,98 subjects were labelled to have normal eyes,64 subjects had mild and 20 had moderate CVS,he said. Severe CVS was noted in 18 subjects. In other words nearly 51 per cent of computer users had some form of CVS if they were using the PC for 2 hours per day at a stretch or 15 hours per week.

The consultant Ophthalmologists at CMC said that unfortunately most people are unaware of CVS and its prevention and management. This condition can be easily prevented by blinking the eyes frequently while working on the computer. It is also suggested to take a break after every 20 minutes of computer usage. Dr Nitin said that it was a preventable problem.

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