Wednesday, September 10, 2008

How much influence monitor eyestrain?


When working with computers, as opposed to reading books when you can easily find a comfortable position, a man depends entirely on the situation of the display. In addition, screen, as a light source, is considered an active device contrast (a sheet of paper - passive contrast), which is not so heavily dependent on the intensity of the lighting and angle of incidence of the light.
 
The image on the screen dynamically updated. Low frequency (regeneration) is flickering images.
 
Prolonged work with computers also requires high concentration, leading to increased loads on the bodies of Rights. Developed visual fatigue contributing to myopia, headache, irritability, nervous tension and stress.
 
To avoid this, you need to remember that the higher the resolution of the monitor, the better and clearer picture on the screen, and so it is less tires visual system.
 
External lighting in the room reduces the contrast of images, but do not forget that the increase in brightness tires eyesight. Flaring on the monitor also severely hampered receive the information from the screen, forced to change the position of head and body, strain your eyes. Not only increasing the pressure on the eye, but at the neck, back, shoulders and hands, which leads to the rapid exhaustion.
 
Sources flare - located next to the monitor screen light sources, light equipment, bright surfaces,  not closed the window blinds and even outside of the user's clothing.
 
There are special tricks massage - complexes lifting eye fatigue for the impact on the biologically active points, as well as exercises to improve muscle tone and removing tension separate groups of muscles. Actively techniques are also used colour visual stimulation and mental processes. Tests of this program have shown that it improves visual acuity (up to 0.1 units. From 60% -70% surveyed), reduce the frequency of symptoms and expressions of visual fatigue (from 90%).