Computer Vision Syndrome
Computer vision syndrome (CVS) is a temporary eye vision problem resulting from focusing the eyes on a computer display for prolonged, uninterrupted periods of time.
Different problems encountered after prolonged use of computers. You can have some of these problems:
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Headaches
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Red eyes
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Eyestrain
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Contact lens discomfort
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Neck ache and backache
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Glare sensitivity
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Blurred vision
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Slowness in changing the focus of your eyes
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Dry & Irritated eyes
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Excessive tearing
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Sensitivity to light
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Changes in color perception
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Double Vision
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Reasons for CVS
When using the computer your blink rate decreases by a drastic 70 percent. Generally speaking means that instead of blinking an average of 14 times per minute, you are now blinking 7 times per minute.
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Prevention is better than cure for CVS
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If your eyes are dry or irritated, use eye drops to moisturize and lubricate
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Place reference to typing materials close to the computer screens.
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Blink frequently
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Visual breaks: A good rule of thumb is 20/20, 20 minutes, look 20 feet away for 20 seconds.
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Avoid shifting at a location with direct blower or an A.C or for a long period in a room with low humidity
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Install a glare guard, an optically coated glass anti-glare filter.
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Install a screen or partition behind your computer to reduce overhead glare.
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Use a non-reflective paint or coverings on the walls.
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Make sure there is sufficient light to read hard copy without straining.
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Use a stand for hard copy so that source documents and the computer screen are at roughly equal distance from the eyes.
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If any symptoms are worse of you sight is deteriorating, make an appointment to see your eye care professional
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Adjust the height of your desk or chair so the middle of the computer screen is about 20 degrees below eye level. The screen itself should be 16- 30 inches from your eyes.
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Choose screens that can tilt and rotate. A keyboard that you can adjust is also helpful.
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Electrostatic charge on the computer which attracts & accumulates dust particles which can cause skin rash or irritation in sensitive individuals, clean computer screen regularly
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Adjustable chair.