This can help you maintain the distance from your eyes to the computer screen that is generally recommended. Next, the angle of glare should be minimized in this position. Finally, position yourself – at least one shoulder-width away (but not much closer) to the screen when typing. Grasping a hand-rest for support is a way to stay upright without tired arms, and steps backward will allow for a better view of the entire document if desired.
The use of an articulating arm desk mount or active desktop, which moves with you while seated at tasks on your desktop work station also makes sense if you need both hands free for typing and computer use while standing.”