User Manual

ix
Taking care of your visi
on
Long viewing h
ours, 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 from drying out.
Display
•
Keep your displa
y clean.
•
Keep your head at a hig
her level than the top edge of the display so your
eyes point downward when looking at the middle of the display.
•
Adjust the disp
lay brightness and/or contrast to a comfortable level for
enhanced text readability and graphics clarity.
•
Eliminate glar
e and reflections by:
•
placing yo
ur display in such a way that the side faces the window or
any light source
•
minimizing room
light by using drapes, shades or blinds
•
using a task light
•
cha
nging the displa
y
'
s viewing angle
•
using a glare-reduction
filter
•
using a disp
lay visor, such as a piece of cardboard extended from the
display's top front edge
•
Avoid adjust
ing your display to an awkward viewing angle.
•
Av
oid
look
ing
at bright light sources, such as open windows, for extended
periods of time.
Developing
good work habits
Develop the following work h
abits 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 regular
ly and maintain a healthy body.