COMPUTER VISION SYNDROME (CVS)
Computer vision syndrome (CVS) is strain on the eyes that happens when you use a computer or digital device for prolonged periods of time. Anyone who has spent a few hours on the computer has probably felt some of the effects of prolonged use of the computer or other digital technology. The discomfort it causes can be minimised by following a few simple practices.
Definition
Complex eye and vision problems related to near work which are experienced during or related to computer work.
Symptoms
- Headache
- Burning/ tired ryes
- Double/ Blurred eyes
- Loss of focus
- Neck and Shoulder pain
Treatment
1. Screen Reflections
- Remove offending source of light
- Hood
- Anti-reflection Screen
2. Monitor
- 20-26 inches from eyes
- Centre of monitor 4-9 inches below eye level
- Contrast that you are comfortable with.
3 . Keyboard and Mouse
- Located below elbow level.
- Use keyboard extension board
- Wrist should not bend while typing-wrist pad
4. Posture
- Chair feet firmly at ground
- Angle at knee is 90 degree or more
- Back straight and shoulder back
- Arms parallel to floor while typing
5 . Computer Glasses
- Occupational Progressive glasses- large intermediate zone.
- Lined Trifocal, Bifocal, Single Vision Lens
- Clip-on lens
Practical Tips
- Anti Reflective Coating on screen or glasses.
- Monitor – 20-26 inches from eye, No reflections, Dust Free
- Frequent blinking
- 20/20 exercise
- Posture
- Ample usage of lubricating eye drops.