3D Imaging "Dangerous" for Young Eyes?

"The visual trickery that produces 3-D images can also lead to headaches, motion sickness and possibly impaired vision," reports the Philadelphia Inquirer. "Game maker Nintendo acknowledged the concerns at the end of 2010, when it issued an unusual caution even before its long-awaited 3DS hand-held game machine arrives in U.S. stores as soon as March. Nintendo says children 6 years old and younger should not use the device because of the risk of lasting damage to ocular development. No one really knows what the risk is, however, because there's scant research on how the latest wave of 3-D technology affects young eyes." Read more.