Do not slouch or slump in your chair. Work at a proper level. Whatever the task associated with the work station, reduce or minimize excessive repetition. For eye comfort, every 20 minutes or so, focus on an object a few feet away, move your eyes up and down and sideways. Don't forget to blink.
Some operators concentrate so hard on the screen that they forget to blink.
Blinking is a natural function that lubricates the eye. The standard requires special containment for all potentially infectious wastes. Biohazard bags must only be used for infectious waste. The bag must be red in color and marked as infectious waste. Bags must not be used for chemical waste, radioactive waste, or regular trash.