ix
Taking care of your vision
Long viewing hou
rs, 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 lookin
g away from the monitor and
focusing on a distant point.
•
Blink frequently to keep yo
ur eyes from drying out.
Display
•
Keep your display clean.
•
Keep your head at a higher level tha
n the top edge of the display so your
eyes point downward when looking at the middle of the display.
•
Adjust the display brigh
tness and/or contrast to a comfortable level for
enhanced text readability and graphics clarity.
•
Eliminate glare and
reflections by:
•
placing your display in such a way that the side faces the window or
any lig
ht source
•
minimizing room light by usin
g drapes, shades or blinds
•
using a task light
•
cha
nging the displa
y
'
s viewing angle
•
using a glare-reduction filter
•
using a display visor, s
uch as a piece of cardboard extended from the
display's top front edge
•
Avoid adjusting you
r 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 wor
k habits
Develop the following work habits to make you
r 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 m
aintain a healthy body.
