A French health watchdog yesterday recommended that children under the age of six be denied access to 3D films, computers and video games, and that those up to the age of 13 have “moderate” access.
The advice is based on a “pioneering” analysis of scientific research into the possible impacts of 3D imaging on the developing eye, the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) said.
It pointed to an explosion of 3D technology in gadgets, now also in mobile phones.
ANSES “recommends that children under six, whose visual system is still developing, not be exposed to these technologies, and that use by children under 13 be moderate,” it said in a statement.
ANSES made reference to the disruption in “vergence-accommodation” — when a person focuses both eyes on the subject they are looking at.
When watching a 3D presentation on screen, the process of assimilating a three-dimensional effect is different.
The eyes are required to look at images in two different places at the same time before being married into a single image by the brain.
“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,” the statement said.
Specialists have raised questions about the safety of 3D technology for child vision, but these concerns have rarely been formulated into guidelines — and even more rarely into policy.
Italy stands out as a nation whose health ministry has sought to restrict the use of 3D glasses by young children — translating a similar recommendation by its national health agency into an official circular on July 31 last year.
Game maker Nintendo Co Ltd on its Web site says: “Viewing of 3D images by children 6 and under may cause vision damage,” and advises use of the parental control feature on consoles “to restrict the display of 3D images for children 6 and under.”
Samsung Electronics Co said prolonged 3D television viewing has the same straining effects as traditional TV.
The US Optometric Association on its Web site says no detrimental effects from 3D viewing had been reported at any age.
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