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Computer vision syndrome:
Computer Vision Syndrome or CVS is
a cause of concern with increased use of
computer by general population. 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.
Computer vision syndrome (CVS) is excessive
strain on eyes which is caused by working
in front of computer monitor or computer
screen for protracted, uninterrupted periods
of time. When you concentrate on the computer
monitor, the eye tends to blink less, this
is an involuntary action and it results
in drying up of the tears which are natural
lubricant lining the eye’s surface. Any
allergies or infections that may effect
the production of tears of the eyes can
aggravate the condition. This condition
may become worse during seasonal change
or exposure to dust and pollution. . The
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).
Symptoms Of Computer Vision Syndrome (CVS)
- Strain on the vision.
- Feeling tiredness and heaviness
in the eyes.
- Discharge and watery eyes.
- Blurring of vision.
- Feeling itchiness and pain in the
eyes.
- Feeling irritation and redness in
the eyes.
- Difficult to focus on distant objects
i.e. refocusing of eyes.
- experience eye twitching
- neck pain
- fatigue
- polyopia
- double vision etc
Treatment:
Dry eye is a major symptom that is targeted
in the therapy of CVS. The use of artificial-tear
solutions can reduce the effects of dry
eye in CVS. The 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. 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. The "20-20-20 rule"
is every 20 minutes, focus the eyes on an
object 20 feet (6 meters) away for 20 seconds.
Otherwise, the patient is advised to close
his /her eye (which has a similar effect)
for 20 seconds, at least every half hour.
Exercise your eyes in simple and easy manner
by rotating them in clockwise and anti clockwise
direction few times. Move your eyes up ways
and down ways few times. These exercises
would relieve your eyes off stress Wearing
small plus powered eyeglasses helps such
patients regain their ability to focus on
near objects.
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