It is quite clear that 3D technology in the home is the next big thing, but too much exposure can lead to some surprising health risk.
Because the vision of children under the age of 10 is under development at this time, too much 3D television could prevent their eyes from fusing properly.
"Theoretically, if they're watching, you know, you know, 3D television for six or seven hours a day, you know, that is the kind of processing you might get, you know, an issue with” says Ophthalmologist Dr. Gregory Haffner.
One issue is that the difference in the 3D technology used at home and that used in theatres.
"In particular, the 3D technology that is coming out for home use is a little more worrisome for people because it uses this active system which turns on and off, sort-of flashes in front of a person's eyes and that can be, the flashing is what's often provoking for seizures," said Dr. Jennifer Madan Cohen.
Those with certain medical conditions are also susceptible to the effects of 3D viewing. Seventeen years after Aprile Johnson underwent brain surgery to remove a tumor, she developed photosensitive epilepsy.
"At 3D movies with the glasses on affects me. I either blink tremendously and I miss the movie. I can almost feel that I'm going to have an epileptic episode, my head starts to hurt; i'll get like foggy vision. I'll take the glasses off,” Johnson said.
There are tips that can be applied for those who intend to view 3D programs at home.
Keeping the lights on and putting some distance between viewers and the television screen is said to help minimize the affects of 3D viewing at home.
“They should have lights on in the room because it's the contrast of the flashing light that can be a problem. So, if they're really in a dim room and it's a bright flash that would be the kind of stimulus that could provoke a seizure,” said Dr. Cohen.
TV maker Samsung issued an advisory in 2010 cautioning about possible effects of flashing lights and images. But "when used properly and instructions and advisories are followed," Samsung stated, "3D functions should not pose adverse health or safety risks."
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