Eyes
Health risk:
Computer vision syndrome. The most common symptoms are: eye fatigue, dry eyes, burning eyes, light sensitivity, blurred vision, headaches.
Prevention:
1.Position your monitor so there is no glare in your eyes - either direct, or reflected in the computer screen
2.Adjust the screen brightness, contrast and colour to comfortable levels
3.Rest your eyes every 30 minutes
4.Refocus your eyes occasionally by looking at a distant object
5.The distance from your eyes to the monitor should be 18 to 30 inches
6.The top of the screen should be slightly below eye level
7.Use an anti-glare screen
8.When staring at a computer, people blink less frequently - about five times less than normal, according to studies. Look away often to induce blinking, or close your eyes briefly from time to time .
1.Position your monitor so there is no glare in your eyes - either direct, or reflected in the computer screen
2.Adjust the screen brightness, contrast and colour to comfortable levels
3.Rest your eyes every 30 minutes
4.Refocus your eyes occasionally by looking at a distant object
5.The distance from your eyes to the monitor should be 18 to 30 inches
6.The top of the screen should be slightly below eye level
7.Use an anti-glare screen
8.When staring at a computer, people blink less frequently - about five times less than normal, according to studies. Look away often to induce blinking, or close your eyes briefly from time to time .
Hands and wrists Health
Health risk:
Repetitive stress syndrome. The common symptoms are tightness, discomfort, stiffness, soreness or burning in the hands, wrists, fingers, forearms, or elbows; tingling, coldness, or numbness in the hands; clumsy or awkward hands.
Prevention:
1.Your keyboard should be at or slightly below elbow height (90 to 110 degrees)
2.Your elbows should be close to your body, with your forearms relaxed
3.Your wrists should not be extended, flexed or bent to either side
4.Tilt your keyboard so that the front of the keyboard is higher than the back. Most keyboards have tiny pullout stands that help you do this
5.Use the keyboard lightly. Don't hammer it
6.Use two hands to perform double-key operations like Ctrl-C or Alt-F
7.Keep your mouse near and at the same level as your keyboard
8.Avoid holding your mouse tightly and for prolonged periods
9.Most important - don't indulge in computer games that require long periods of intense keyboard or mouse activity
1.Your keyboard should be at or slightly below elbow height (90 to 110 degrees)
2.Your elbows should be close to your body, with your forearms relaxed
3.Your wrists should not be extended, flexed or bent to either side
4.Tilt your keyboard so that the front of the keyboard is higher than the back. Most keyboards have tiny pullout stands that help you do this
5.Use the keyboard lightly. Don't hammer it
6.Use two hands to perform double-key operations like Ctrl-C or Alt-F
7.Keep your mouse near and at the same level as your keyboard
8.Avoid holding your mouse tightly and for prolonged periods
9.Most important - don't indulge in computer games that require long periods of intense keyboard or mouse activity
Back and shoulders
Health risk:
Back and shoulder pain
Prevention:
1.Choose a comfortable chair that provides back support. Rather than an upright position, recline at a 100- or 110-degree angle. Adjust the lumbar support so it conforms to the curve in the small of your back
2.Keep your head and neck as straight as possible
3.Avoid overreaching
4.Chair arms should be used only if they do not obstruct your sitting position and posture
5.Position your monitor, keyboard and chair in a straight line
6.Your shoulder and neck muscles should be relaxed. Your upper arms should hang comfortably at your sides
7.Your thighs should be parallel to the floor
1.Choose a comfortable chair that provides back support. Rather than an upright position, recline at a 100- or 110-degree angle. Adjust the lumbar support so it conforms to the curve in the small of your back
2.Keep your head and neck as straight as possible
3.Avoid overreaching
4.Chair arms should be used only if they do not obstruct your sitting position and posture
5.Position your monitor, keyboard and chair in a straight line
6.Your shoulder and neck muscles should be relaxed. Your upper arms should hang comfortably at your sides
7.Your thighs should be parallel to the floor
More tips
1.Break-up activities that require repetition
2.Use a document holder to view documents and keep the holder near your monitor
3.Your work surface should be large enough to accommodate computer equipment and work materials
4.Keep frequently used items within easy reach
5.Do not cradle your phone between your shoulder and chin. Use a headset if you use the phone and computer at the same time often
6.Maintain a comfortable temperature in your work area
1.Break-up activities that require repetition
2.Use a document holder to view documents and keep the holder near your monitor
3.Your work surface should be large enough to accommodate computer equipment and work materials
4.Keep frequently used items within easy reach
5.Do not cradle your phone between your shoulder and chin. Use a headset if you use the phone and computer at the same time often
6.Maintain a comfortable temperature in your work area
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