Doctors warn 3D TV screens might cause headaches, visual disturbance
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Doctors say viewers of 3D television sets could experience health problems while watching the screens.
Viewers wear electronic glasses with the 3D screens which open and close rapidly in time, with images designed for the right and left eye, creating a three-dimensional effect.
Doctors warned headaches and visual disturbance were likely.
Dr Michael Rosenberg, an ophthalmology professor at Northwestern University Feinberg School of Medicine in Chicago, said: 'There are a lot of people walking around with very minor eye problems, for example a minor muscle imbalance, which under normal circumstances, the brain deals with naturally.'
However, the professor said that watching a 3D screen, people face a totally new sensory experience.
'That translates into greater mental effort, making it easier to get a headache,' Dr Rosenberg added.
A recent study by the University of California, Berkeley, confirmed that 3D screens do cause headaches and blurred vision.
Researchers explained the symptoms with having to focus on the foreground and distance simultaneously.
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