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ix
Taking care of your vision
Long viewing hour
s, wearing incorrect glasses or contact lenses, glare, excessive
room lighting, poorly focused screens, very small typefaces and low-contrast
displays could stress your eyes. The following sections provide suggestions on
how to reduce eyestrain.
Eyes
•
Rest your eyes frequently.
• Give your eyes regular breaks by looking away from
the monitor and
focusing on a distant point.
•
Blink frequently to keep your eyes fr
om drying out.
Display
•
Keep your display clean.
•
Keep your head at a higher level than
the top edge of the display so your
eyes point downward when looking at the middle of the display.
•
Adjust the display bright
ness and/or contrast to a comfortable level for
enhanced text readability and graphics clarity.
•
Eliminate glare and r
eflections by:
•
placing your display in such a way that the side faces the window or
any light sou
rce
•
minimizing room light by using d
rapes, shades or blinds
•
using a task light
•
cha
nging the displa
y
'
s viewing angle
•
using a glare-reduction filter
•
using a display visor, su
ch as a piece of cardboard extended from the
display's top front edge
•
Avoid adjusting your
display to an awkward viewing angle.
•
Av
oid
look
ing
at
brigh
t
light sources, such as open windows, for extended
periods of time.
Developing good work
habits
Develop the following work habits to make your
computer use more relaxing
and productive:
•
Take short breaks regularly and often.
•
Perform some stretching exercises.
• Breathe fresh air as often as possible.
•
Exercise regularly and maintain
a healthy body.
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