The world is full of screens of various sorts.Television screens, computer screens,various types of display screens and illuminated and non-illuminated displays.There is concern about the effects these have on the eyes.Television is as safe to the eyes as the refregirator is to the stomach.But Television should not be viewed for long from too close a distance.
The thumb rule seems to be seated at least six times the screen size away(e.g 20 inch TV;20* 6=120 inches or 10 feet away from the screen is a safe distance.)
Avoid periodic washing of the eyes.This will not only wash away the tear film but may introduce infections from the contaminated water.
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