IBM T86A - Manual (Page 13)

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¾ The monitor should be positioned directly in front of you so that you do
not have to twist your body to use it.
¾ Tilt the monitor to a comfortable viewing angle.
Working Practices
9 Rest
Take regular breaks. Vary your posture, stand up and stretch occasionally, as
prolonged use of computer workstations can be tiring.
9 Back
You should sit back in your chair and use the backrest.
9 Hands
Use a light touch on the keyboard, keeping your hands and fingers relaxed.
Allow a space in front of the keyboard to rest your wrists when not typing.
Consider using a wrist pad.
9 Eyesight
Working with monitors, in common with any prolonged close work, can be
visually demanding. Look away from the screen periodically and have your
eyesight checked regularly.
9 Screen settings
Set the screen brightness and contrast to a comfortable level. You may have
to adjust this as the lighting changes during the day. Many application
programs let you select color combinations, which can help you to view in
comfort. See the Adjusting the Monitor section for more information.