Saturday, June 28, 2008

Computer and Vision care

Computer Vision Syndrome is characterized by chronic eye-strain, occasional blurring of vision, dryness or burning sensation in the eyes, increased sensitivity to light, head-ache and neck, shoulder or back pain.
When we work on a computer screen, our eyes and muscles undergo some physical and physiological changes. Our blinking rate- a mechanism used to keep the eyes evenly moist drastically reduces as we are so engrossed in the screen and kind of “forget” to blink. This causes the tear film on our eyes to break and dry up sooner and induce a burning and gritty sensation eventually leading to red swollen eyes. Since the distance between our eyes and the computer screen is usually very less, our eyes have to exert extra effort and “accommodate” so as to focus on the object on the screen.

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