Computers Vision

The Importance Of Glasses For Computer Workers

Computers are ubiquitous.Most of us seem to spend a large part of our days squinting at a monitor and with more of our shopping and entertainment being driven by the Internet, computer use is surely going to increase.For many that’s not a problem. But if you spend more than two hours at a computer each day, especially if you already wear glasses, it’s likely that you will experience symptoms of what some have termed Computer Vision Syndrome (CVS).
CVS has several causes.  Decreased blinking while you’re focusing on a computer screen is thought to be significant.Studies have shown that the blink rate goes down to 6–8 blinks per minute if you’re focused on a computer display (the normal blink rate is 16-20 per minute).This leads to dry eyes and also puts strain on the ciliary muscles of the eye. The most common symptoms of CVS include headaches, focusing difficulties, burning eyes, tired eyes, general eyestrain, aching eyes, dry eyes, double vision, blurred vision,and light sensitivity. 
CVS can also accelerate the early onset of a condition called presbyopia (usually associated with aging).
The good news is that it is relatively simple to ease these symptoms. Daft as it may sound, try blinking more often!   If you are not a glasses wearer, simple changes like ensuring your computer screen is clean, correctly positioned, and set up properly will make a difference.
If you do wear glasses, then ensuring your lenses are clean and smear free will help to reduce glare and reflections. Anti-Reflective coatings on your lenses (usually available free of charge if you ask for it through suppliers like SelectSpecs.com) will eliminate surface reflections for clear vision.Anti-Reflective coatings make your glasses lenses appear almost non-existent, so your eyes look more natural.
Whether you wear glasses of not, you can improve your vision at work by having regular eye examinations, taking  frequent breaks to give your eyes a rest every 20 minutes or so and avoiding  glare or bright reflections on the screen.Change to an LCD display if you are using a CRT monitor.Purchase a minimum 19 inch screen with the highest resolution possible and a dot pitch of .28 mm or smaller.They don’t “flicker” like CRT monitors and are easier on the eye and usually have an anti-reflective surface.  

The even better news is that If you you use a computer or VDU screen on a regular basis (i.e. for at least an hour most days), then according to the Health and Safety (Display Screen Equipment) Regulations 1992, your employer is obliged  to pay for regular eye examinations. The employer may have an arrangement with a local optometrist or they may refund you the cost of an examination.  If that examination reveals that you require glasses specifically for Display Screen Equipment use, your employer must also pay for budget  glasses.

Millions Of People Likely Suffering From Computer Vision Syndrome

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