The VDT station should be located near an outside window, to take advantage of all available light. The VDT screen should be about 12 to 15 inches from your eyes. One of the best things you can do for tired eyes is to massage them. Focusing on an abject 20 feet away for several seconds is a good way to give your eyes a break from close-up work. Sitting and concentrating for a long period of time can cause muscular tightness, which leads to aches and fatigue.
Deep breathing is an important key to relaxation.
To give your muscles a rest from constant sitting, you should do a little strenuous exercise each break period. VDT Quiz Answers 1. False - to function, VDT's need input from an important outside source, the human operator 2. False - sitting, staring, and concentrating for long periods of time can be stressful to the body 3. False - carpal tunnel syndrome is a disorder of a nerve in the wrist 5.