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Computer Vision Syndrome 首頁 > 英文版 > Computer Vision Syndrome

Computer Vision Syndrome

Treatment for eyestrain

The prevention of Computer Vision Syndrome

 

Eyestrain may be caused by functional abnormalities of the eyes such as

 

myopia, hyperopia, astigmatism (refractive abnormalities) or presbyopia

 

(accommodative abnormalities).  However, long hours of computer work

 

which focuses the eyes at a close distance may also cause eyestrain.  Long

 

hours of computer work will cause the so called Computer Vision Syndrome.

 

The symptoms include blurred vision, hyperemia of the eye, headache, neck

 

pain, rigid shoulders and shoulder pain.

 

             

The National Institute for Occupational Safety and Health in USA and Japan

 

both suggest a distance of 60 – 70cm between the computer screen and the

 

eye, and a 15 – 20min rest for every 40 – 45min of computer work.  In

 

order to gain full relaxation of the eye, it was suggested during the resting

 

time, one should look away into a distant place or lie down with the eyes

 

closed.This Computer Vision Syndrome is frequently seen in computer users

 

over the age of 35, and besides the above said symptoms, high intraocular

 

pressure (which may cause glaucoma) is also very common.  This is due to

 

the over contraction of the ciliary muscles, and the over work of the autonomic

 

nervous system.  The symptoms can be relieved within one to two weeks by

 

avoiding computer work completely, but it seems impossible considering the

 

working habits of our hi-tech society.

 

           

 

Luckily, with the new invention, two weeks without computer usage is no

 

longer necessary to cure this Computer Vision Syndrome.  The “Kinetic

 

Lens Vision Training Method” uses convex lens and prism lens to achieve

 

the states of “Relax of Accommodation” (by relaxing the ciliary muscles)

 

and “Divergence of the Eyeballs”.  Within 3 to 5 training sessions, the

 

symptoms of Computer Vision Syndrome will be relieved, and the refractive

 

errors caused by pseudo myopia will also be cured.

  



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