The thrill of the 3D craze is infectious -
but how do 3D visuals affect our eyes?
Ah, the thrill of 3D entertainment! It's come a long way since its red-and-blue bespeckled beginnings. What used to be a night at the movies is now a super sensory experience, where just donning a pair of specs puts you in the middle of the action.
With movies like Avatar and UP breaking box-office records, and the onset of 3D televisions, networks, and gaming systems on the rise, to say 3D has made a comeback would be an understatement.
But with all of the buzz surrounding this 3D craze, we got to wondering: How does 3D impact our eyes? And can everyone see the three dimensional effects?
A Professional View
Dr. Roger Phelps, a VSP doctor in Ojai, CA and principal of OjaiEyes Optometry, said 3D can impact each person differently.
"I really enjoyed watching Avatar in 3D, but some of my patients did express fatigue or had a headache after seeing it," he said. "Some even said they felt nauseous during the movie."
So what causes these different experiences? "In many cases these patients had marginal binocular vision." Their ability to use both eyes together was not ideal.
3D movies present two different images on screen, separated by a certain distance to enhance the perception of depth. Without 3D glasses—which filter the light and present different images to each eye—the scene on screen looks blurry and unclear. And if either eye is not in excellent focus, or if the eyes have a tendency to misalign with each other, it may be difficult for that person to comfortably enjoy a 3D film.
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