Normal blink rate in human is 16-20 per minute. When this blink rate gets reduced to 6-8 blinks/minute, it results in dry eyes.
Symptoms include headache, eye strain, blurred vision, dry or irritated eyes, double vision, light sensitivity, neck ache, back aches etc.
Tips to save your Eyes
- Monitor should be more than 5 inches from the eyes.
- Ideal viewing area is 6 inches below the horizontal eye level.
- Work with fonts of darker shades on light background.
- Attach an anti-glare screen in front of the monitor.
- Use screen mounted document holder at the same plane.
- Use suspended lights from ceiling & windows with curtains to avoid light hitting directly on eyes.
- Avoid sitting in front of AC or in a room with low humidity.
- 20-20-20 rule – Take short breaks for your eyes every 20 minutes between your work for 20 seconds and look 20 feet away.
- Give proper rest to the eyes – Close your eyes for 20 seconds at least every half an hour.
- Correct near vision with glasses.
- Use of Anti reflective coating glasses can reduce glare from a monitor.
- Contact lens users need to lubricate their eyes frequently.
- Lastly working at the computer is not harmful to eyes, but make sure to examine your eyes at least once a year.