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As if we did not have enough computer related syndromes. Now, enter Computer Vision Syndrome (CVS) which promises to do for optometrists what RSI did for orthopaedic surgeons.

CVS results from focusing the eyes on a computer display for protracted, uninterrupted periods. Symptoms include headaches, blurred vision, neck pain, redness in the eyes, fatigue, eye strain, dry eyes, irritated eyes, double vision, vertigo/dizziness, polyopia, and difficulty refocusing the eyes.

These symptoms can be further aggravated by improper lighting conditions (like blue light, glare, or bright overhead lighting) and air moving past the eyes (overhead vents, direct air from a fan). A related issue is photophobia caused by exposure to too much blue light.

According to the US Institute of Occupational Safety and Health, computer vision syndrome affects some 90% of the people who spend three hours or more a day at a computer.

Australian Optometrist, Dr Jim Kokkinakis from The Eye Practice in Sydney, has taken a special interest in the field. He warns that anyone working in front of a screen for more than two hours is at risk. He said that BenQ’s new flicker-free monitor technology made a positive, perceptible difference to CVS issues.

BenQ has launched a range of flicker free models and a special 24” model BL2405HT with Low Blue Light mode. This is user definable and can reduce Blue light in four steps – 30% for multimedia, 50% of web surfing, 60% for general office software and 70% for reading. It also has a height adjustable, tilt and swivel stand to ensure that the monitor sits directly in front of the user. The screen also operates in landscape and portrait mode.

 

Opinion

Earlier this year I tested BenQ’s 27” GW2760HS monitor and was extremely impressed. It was easier on the eyes than my relatively recent Dell (Samsung panel) monitors are.

CVS is not a new malady, and it is nice to know that the BenQ flicker-free monitor technology and the new low blue light switching, can make a real difference to those chained to their monitors all day and night. And it is nice to know that Dr Jim understands the issues.

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Ray Shaw

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Ray Shaw ray@im.com.au  has a passion for IT ever since building his first computer in 1980. He is a qualified journalist, hosted a consumer IT based radio program on ABC radio for 10 years, has developed world leading software for the events industry and is smart enough to no longer own a retail computer store!

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