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French Health Watchdog: 3D Viewing May Damage Eyesight In Children
dryriver (1010635) writes with this clipping from the BBC: A French health watchdog has recommended that children under the age of six should not be allowed access to 3D content. The Agency for Food, Environmental and Occupational Health and Safety (Anses) added that access for those up to the age of 13 should be 'moderate'. It follows research into the possible impact of 3D imaging on still-developing eyes. Few countries currently have guidelines about 3D usage. According to Anses, the process of assimilating a three-dimensional effect requires the eyes to look at images in two different places at the same time before the brain translates it as one image. 'In children, and particularly before the age of six, the health effects of this vergence-accommodation conflict could be much more severe given the active development of the visual system at this time,' it said in a statement.
By making them go outside and play instead of sitting in front of the TV/computer/tablet.
According to Anses, the process of assimilating a three-dimensional effect requires the eyes to look at images in two different places at the same time before the brain translates it as one image.
Isn't that how normal vision works anyway?
That's why France doesn't allow children under the age of six to open both eyes at the same time.
Normally, your convergence and focus operate together.
With 3D imaging your convergence varies but focal point remains the same. No where outside of viewing a 3D image will your eyes ever experience such a scenario.
Yes. They should have added this: Normal 3d vision from natural surroundings has the eyes converge at the same distance that they focus. Artificial 3D technology has the eyes do something they never did before. That is focusing at a near distance while converging at a farther distance.