A group of Japanese home electronics companies has issued a warning about the possible impact of 3-D films on viewers' health. The companies - which include Toshiba, Sharp and Hitachi - have teamed up with the government to produce a handbook on possible side-effects from watching 3-D images. The group warned that 3-D films could trigger dizziness, nausea and tired eyes.
"We do not think this will be a big problem for the majority of viewers but we must warn people that it is possible," Koichi Imai, a spokesman for the consortium, said.
"We are making the handbook available to cinemas and stores where 3-D products are being sold and the simplest thing is for anyone who feels at all unwell to stop viewing the images," he said.3-D entertainment is still in its infancy, he said, and the group has no figures on how many people might be affected by viewing the images.
The phenomenon works by showing a slightly different image to each eye through a filter system that is operated by special glasses, alternately shuttering each eye's line of sight and giving the impression of depth to the screen.
The new generation of 3-D films has already been a huge hit at the box office. James Cameron's Avatar, which used 3-D to transport audiences to the planet Pandora, broke box office records while Alice in Wonderland took a remarkable Y700 million (£4.8 million) on its opening day on April 17.
Electronics stores last week started selling 3-D capable televisions for home use.
The 3-D Consortium recommends in its guidelines that viewers sit well back from the screen - a distance of around three times the height of the screen - and anyone who is unable to perceive the 3-D effect should stop watching.
source : telegraph
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