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Ergonomics
Here are some guidelines for adjusting your display to reduce glare and to
accommodate your physical size and shape.
 Arrange the display so that the top of the screen is slightly below your eye level
when you’re sitting at the keyboard. The best distance from your eyes to the screen is
up to you, although most people tend to prefer 18 to 28 inches (45 to 70 cm).
 Position the display by tilting it up or down to minimize glare and reections from
overhead lights and nearby windows.
Thighs tilted
slightly
Shoulders
relaxed
Screen positioned to
avoid reflected glare
Forearms and
hands in a
straight line
Forearms level
or tilted slightly
Lower back
supported
Feet flat on the floor
or on a footrest
Top of the screen at or
slightly below eye level
(You may need to adjust
the height of your display
by raising or lowering
your work surface)
Clearance under
work surface
18–28 in. (45–70 cm)
For more information about health, safety, and maintenance, go to the Apple
ergonomic website at www.apple.com/about/ergonomics.