| COMPUTER EYE STRAIN | | | | Wrists and lower arms are parallel to the floor while |
| Eyestrain associated with computer use isn't thought | | | | working on keyboard. |
| to have serious or long-term consequences, but it's | | | | The working chair should be comfortable with a good |
| disruptive and unpleasant. If you or your child spend | | | | back support |
| more than two hours each day in front of a computer | | | | Sit straight on the chair with feet flat on ground, thighs |
| screen, you likely experience some symptoms of | | | | parallel to ground and back erect. |
| computer vision syndrome or CVS. | | | | The screen brightness and contrast should be |
| The main symptoms of CVS are: - | | | | adjusted by the operator for the maximum viewing |
| Sore, tired, burning or itching eyes | | | | comfort |
| Watery eyes | | | | The workstation lighting should provide a 10:3 ratio: |
| Dry eyes | | | | screen characters 10 times brighter than the screen |
| Blurred or double vision | | | | background; room illumination 3 times brighter than |
| Headache and sore neck | | | | screen background |
| Difficulty shifting focus between monitor and paper | | | | Eliminate glare and screen reflections by moving or |
| documents in your work area | | | | tilting the computer or getting an anti-glare screen. |
| Color fringes or afterimages when you look away | | | | Try not to face toward windows or bright light sources |
| from the monitor | | | | Operators should face into an open space beyond the |
| Increased sensitivity to light | | | | computer screen |
| Many computer users experience visual stress due to: | | | | Clean the screen regularly as they attract dust |
| 1) An increase in the number and complexity of | | | | To reduce the symptoms, there are some alterations |
| necessary eye movements and focusing skills | | | | in the work schedule that can be done- |
| 2) Poor lighting conditions, glare and distracting | | | | Take a break after every 11/2 to 2 hours. Get up from |
| reflections | | | | the workstation and walk 20 paces one side and 20 |
| 3) Screen flicker rate | | | | paces the other side. Sit on your chair and close eyes |
| 4) The extended amount of computer use. | | | | for 3-4 minutes. |
| Since this a profession related complication, it can be | | | | Consciously blink your eyes more frequently as the |
| treated with modifying the work area and introducing | | | | blink rate is reduced with continuous work on |
| some alterations in the work habit to reduce the | | | | computers causing dryness. |
| symptoms. | | | | Use artificial eye drops for lubricating the eye. |
| The modifications in the work area are- | | | | If still symptoms persist, then get an eye examination |
| The computer screen should be slightly below eye | | | | done to rule out any refractive error. If there is one, |
| level (about 20 degrees). Copy should be at the same | | | | then use corrective glasses for the same. |
| level as the screen. | | | | |