The user, monitor and keyboard should be aligned. Adjust the chair height if compatible with other posture parameters. A footrest may be used where the user's feet can touch the floor for variety so long as its use does not cause your knees to be hyper extended. Blocks may be placed under the legs of your desk to raise the desk height enough to allow your knees adequate space to rest at a 90 o angle to the floor and prevent the need to hunch over your desk. The surface should not be raised beyond the height that will allow your elbow to maintain a 90 o angle.
Sharp edges can cause compression.
Facilities can install warm fluorescent light bulbs in overhead fixtures to mute glare. A personal visor may help where lighting intensity bothers one user in a multi-user environment. See other glare options above. Use low intensity overhead lighting and task lights. Avoid task lighting on reference documents used while keying.