how you react to virtual reality. Keep your
first few sessions brief and take breaks.
Certain situations can increase your risk of
VR discomfort.
For example:
·
Being a new user - symptoms tend to
decrease as your vision system adapts.
·
Being prone to motion sickness in other
situations, having a fear of heights or
health conditions, such as inner ear
disorders, or being prone to migraine
headaches.
·
Headset not oriented correctly on your
head.
·
Certain types of content, particularly
games or movies that make you feel as
if you are moving through space or look-
ing down from a height, or interactions
that involve tracking moving objects.
·
Using virtual reality for extended
periods without a break.
Take breaks periodically.
The timing and
length of breaks may depend on how you
as an individual react to virtual reality and
what you are doing within the system.
If you
experience any discomfort, stop and rest
until you feel better.
Sitting still in a well-lit
environment can help speed recovery from
disorientation. If you feel disoriented or
otherwise impaired, avoid activities that
rely on balance, coordination, or other
potentially diminished capabilities until you
recover. Note the type of content you were
viewing and other aspects of the situation,
so you can adjust or ease into the situation
next time. If symptoms are severe or persist,
consult a qualified health professional.
Musculoskeletal discomfort.
As with many
physical activities, repetitive or prolonged
activities with the Hardware may cause
occasional discomfort in your hands, arms,
shoulders, neck, or other parts of your body.
Take breaks periodically and stop and rest
if you get tired, sore, or experience any
discomfort such as pain, tingling, numbness,
or stiffness. If you experience persistent or
recurring discomfort, consult a qualified
health professional.
Photosensitive Seizures.
A very small
percentage of people may experience a
seizure when exposed to certain visual
images, including flashing lights or patterns
that may be displayed on the Headset. Even
people who have no history of seizures or
epilepsy may have an undiagnosed condi-
tion that can cause these photosensitive
epileptic seizures. Children and teenagers
are more likely than adults to experience
these seizures.
Symptoms may include involuntary muscle
movements (such as eye or face twitching,
or jerking of arms or legs), lightheadedness,
altered vision, disorientation, confusion, or
momentary loss of awareness. Seizures may
also cause loss of consciousness or convul-
sions that can lead to injury from falling
down or striking nearby objects.
Immediately stop using and consult a health
professional if you experience any of these
symptoms. Parents should watch for and
ask about the above symptoms. The risk of
photosensitive epileptic seizures may be
reduced by not using your Hardware when
you are tired.
If you or any of your relatives have a history
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