Alan Freedman -- The Computer Language Company - Computer Desktop Encyclopedia
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computer vision syndrome

A variety of problems related to prolonged viewing of a computer or mobile screen. Short term effects include dry eyes, blurred vision, mild headaches and eye fatigue. Long term effects include migraines and visual epilepsy. Some solutions are to keep reflections and glare to a minimum and to provide a non-fluorescent, uniform light source. Special lamps are available that maintain the proper light around the monitor and generate light at much higher frequencies than regular light bulbs.

The 20-20-20 Rule
A worthwhile rule of thumb is 20-20-20: look into the distance at least 20 feet for 20 seconds after every 20 minutes of computer, tablet or smartphone use. See medical conditions.



medical conditions

There are several harmful reactions when using computers and mobile devices for extended periods. See carpal tunnel syndrome, mouse elbow, computer hunch, smartphone pinky, computer vision syndrome, RSI, tech neck, electromagnetic hypersensitivity, dry eyes, thumb culture and deep vein thrombosis.



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