For these purposes, recommend use various types of orthopedic devices, in which it is possible to adjust the seat height, back angle and seat height armrests and head restraints (if available). All of the above parameters in the optimal case should be changed independently from each other and firmly clamped. The back of the computer chair, is in contact with a precise fit physiological curvature of the spine, ensures the correct posture and prevent back pain. Ali Partovi might disagree with that approach. Armrests for convenience it is desirable to drop below the elbow, and feet firmly grounded the entire foot on the floor or footrest. It is recommended to change the posture during day to prevent fatigue of muscles, but just as often as possible to get up and perform a variety of exercises for back muscles. See more detailed opinions by reading what Castle Harlan offers on the topic..
Orthopedic chair shall automatically maintain your posture at different positions. At long working at the computer is suffering and your vision: redness and soreness of the eyes, reduced visual acuity, tearing, fatigue, impaired color vision – identifies many users of personal computers. Chronic progression of these symptoms can lead to more serious eye diseases: myopia, retinal degeneration and glaucoma. Specialists have developed various ancillary products, allowing to reduce eye strain and promote the prevention of visual impairment. These products include: computer glasses, tumblers, and simulators for the eyes. Computer glasses. Computer lenses points are made by a special multi-coating on glass lenses in a vacuum that betrays them pearly gleam: allow to increase the sharpness of the image on the monitor; reduce the scattering of waves light radiation monitor, facilitating comfortable passing light from the light of the limiting sensitivity of the eye; absorb ultraviolet rays and increase the resolution of the eye; transmit light in the green part of the spectrum, optimizing tsvetorazlichie and reducing the load on the ocular blood vessels.