For the most part, the only big discrepancy between a 3D movie and seeing 3D in real life is the separation of convergence and
accommodation. This creates a perception conflict that often can manifest in the form of a headache or nausea in much the same way
perception conflicts effecting the inner ear create physical discomfort. Most people's brains suppress this conflict very easily and quickly.
As to crossing your eyes, you experience more crossing your eyes looking at your iPad or iPhone than you ever would watching a movie. As to
splaying your eyes apart - that is a function of BAD 3D movie making (which happens far too often). Since this is highly uncommon in the
"real" world that too creates some level of discomfort depending upon the person's sensitivity to it.
The notion that perception conflicts "hurt" you has been proven over and over to be unlikely. If experienced for a long duration (such as
weightlessness in space) it can take several days to "recover" back to normal, but I know of no permanent problems. The brain has amazing
capability to adapt to the stimulus it receives.
Mostly, this kind of journalism is for sensation - like covering a plane crash or health disease. The OMG aspect is very overblown and for most
shouldn't illicit much more than a yawn. Viewmasters have been around for 50 years or so? Last I checked, no child suffered Eye/Brain hurt
unless they fell face first onto the thing. If you have two eyes that converge properly then from the time you wake until you go to sleep you
see the world in 3D. It really isn't that big of a deal - unless psychologically you want it to be a big deal for some reason. There are
irrational fear of heights and I suspect there are irrational fear of 3D for some people. The whole thing is a non-starter for me. If you don't
like 3D then poke one of your eyes out and shut up. If you don't like 3D movies, then don't go to them - or if forced, buy a pair of the 3D to
2D glasses that have recently become available.
accommodation. This creates a perception conflict that often can manifest in the form of a headache or nausea in much the same way
perception conflicts effecting the inner ear create physical discomfort. Most people's brains suppress this conflict very easily and quickly.
As to crossing your eyes, you experience more crossing your eyes looking at your iPad or iPhone than you ever would watching a movie. As to
splaying your eyes apart - that is a function of BAD 3D movie making (which happens far too often). Since this is highly uncommon in the
"real" world that too creates some level of discomfort depending upon the person's sensitivity to it.
The notion that perception conflicts "hurt" you has been proven over and over to be unlikely. If experienced for a long duration (such as
weightlessness in space) it can take several days to "recover" back to normal, but I know of no permanent problems. The brain has amazing
capability to adapt to the stimulus it receives.
Mostly, this kind of journalism is for sensation - like covering a plane crash or health disease. The OMG aspect is very overblown and for most
shouldn't illicit much more than a yawn. Viewmasters have been around for 50 years or so? Last I checked, no child suffered Eye/Brain hurt
unless they fell face first onto the thing. If you have two eyes that converge properly then from the time you wake until you go to sleep you
see the world in 3D. It really isn't that big of a deal - unless psychologically you want it to be a big deal for some reason. There are
irrational fear of heights and I suspect there are irrational fear of 3D for some people. The whole thing is a non-starter for me. If you don't
like 3D then poke one of your eyes out and shut up. If you don't like 3D movies, then don't go to them - or if forced, buy a pair of the 3D to
2D glasses that have recently become available.
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