Depth Adjustability

It is also important to recognize the requirements of far-sighted terminal operators, and that individual eyesight limitations for a comfortable viewing distance will continue to change with age.

Recent studies also indicate the importance of changing the distance at which the visual display screen is viewed throughout the working day as a method of relieving the eyestrain that may develop from continual screen viewing.

Certainly the size of the screen characters, for which no universal standard has been established, will also affect the distance at which the visual display screen is most comfortably viewed.

To meet these requirements, the terminal table should have depth adjustable keyboard and screen surfaces, with the screen surface adjustment being more important as pulling the keyboard surface forward may have the unwanted-result of increasing the user's reading distance to the work surface.