Computer vision syndrome
) is a temporary condition resulting from focusing the eye
on a computer display
for protracted, uninterrupted periods of time
. Some symptoms
of CVS include headaches
, blurred vision
, neck pain, redness in the eyes, fatigue
, eye strain
, dry, irritated eyes, double vision, polyopia, and difficulty refocusing the eyes. These symptoms can be further aggravated by improper lighting conditions (ie. bright overhead lighting or glare) or air moving past the eyes (e.g. overhead vents, direct air from a fan).
According to the National Institute of Occupational Safety and Health
, computer vision syndrome affects some 90% of the people who spend three hours or more a day at a computer.
Dry eye is a major symptom that is targeted in the therapy of CVS. The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS.
Asthenopic symptoms in the eye are responsible for much of the morbidity in CVS. Proper rest to the eye and its muscles is recommended to relieve the associated eye strain. Various catch-phrases have been used to spread awareness about giving rest to the eyes while working on computers. A routinely recommended approach is to consciously blink the eyes every now and then (this helps replenish the tear film) and to look out the window to a distant object or to the sky—doing so provides rest to the ciliary muscles. One of the catch... Read More