aperwork should be about 29 inches from the floor. However, for comfort, a keyboard surface should stand lower – about 24 to 27 inches high. More important than absolute heights are the body angles and stresses that are induced by the interrelated heights of the keyboard, computer monitor, and chair. You may wish to have both a conventional desk and a computer workstation.” (http://www.homestore.com/Decorae/ByRoom/Work/Ergo.asp). A chair with an adjustable height will also help you to adjust the height. As shown, computer users can take several steps in lowering their chances for developing CTD’s. “Table height, monitor height, sitting position, wrist angle, elbow angle, waist angle and feet position are all important aspects of your workplace configuration. Your work routine can also plan an instrumental role in helping to reduce the chance of CTS and other Cumulative Trauma Disorders.” (http://www.s-sc.com/risk.htm). Furthermore, there are also preventative measures to protect against eyestrain. “To protect against eyestrain, a computer monitor should be located about 16 to 28 inches (or an arm’s length) from the operator’s face. Place the top of the monitor even with the top of your head, so that your eyes are aligned with the first few lines on the screen.” (http://www.homestore.com/Decorae/ByRoom/Work/Ergo.asp). “If you wear bifocals or have vision problems that require you to move it closer or further away, it is important that you do this.” (http://www.ergonomics.ucla.edu/Ergowebv2.0/articles/compvision.htm). The balance between light levels in the room and glare are other problems. “Another source of eyestrain is the balance between light levels in the room and on your monitor. Adjust your screen illumination to match room lighting and turn the contrast up. Glare is another big problem. It can come from overhead fixtures, a nearby task lamp, highly refl...