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Medical Forum / Diseases and Disorders / Epilepsy / December 20043d movies
i have photosensitive seizures (sometimes, really weird)... mostly on the computer. but tonight my friends are going to an old 3d classic horror movies and i'm tagging along.... but i was wondering if 3d movies have any effect on photosensitive seizures? any help? phil thanks > i have photosensitive seizures (sometimes, really weird)... mostly on the > computer. but tonight my friends are going to an old 3d classic horror > movies and i'm tagging along.... but i was wondering if 3d movies have any > effect on photosensitive seizures? > any help? > phil If these are two color (red + blue-green, or similar) or rotated-polarized images, there may be no worse result from the blink of the 3-D movie image (24fps x 3 ?) than is normal for the standard shuttered movie image - but if the 3-D image uses alternating eye shuttering, there may be a problem(?). In other words, I don't know - but for the type you are likely to encounter with a "classic" movie, it should not be more of a problem than a standard movie (though I never could see these in 3-D - just double-colored 2-D...;-). -- David Ruether rpn1@cornell.edu http://www.ferrario.com/ruether > > i have photosensitive seizures (sometimes, really weird)... mostly on the > > computer. but tonight my friends are going to an old 3d classic horror [quoted text clipped - 14 lines] > I never could see these in 3-D - just double-colored > 2-D...;-). Hi, I, as before of course, just suggest wearing an eye patch. It takes both eyes for the problem to occur. I get photosensitive simple partials just looking at TV advertisements for 3D video games. Am I the only person here who is bothered by those traffic lights that blink? Not the flashing lights but the stop lights that blink occasionally. Drives me nuts. And then there are the police cars. Do they really have to have such bright, quickly flashing lights? You must be able to see them a zillion miles away. You would think everyone in the world was blind. I realize they want to be seen, but that is overkill. But that's my opinion, and I have never been known for not saying what I think. <g> JoAnne > > > i have photosensitive seizures (sometimes, really weird)... mostly on the > > > computer. but tonight my friends are going to an old 3d classic horror [quoted text clipped - 20 lines] > both eyes for the problem to occur. I get photosensitive simple > partials just looking at TV advertisements for 3D video games. > Am I the only person here who is bothered by those traffic lights that > blink? Not the flashing lights but the stop lights that blink occasionally. [quoted text clipped - 4 lines] > and I have never been known for not saying what I think. <g> > JoAnne The traffic lights don't bother me at all, but I agree with you about the flashing lights on police cars. They can be quite painful on my eyes sometimes. I think the reason they are so bright is to ensure that they can be seen in bright sunlight as well. I'm not sure about the speed though, possibly to give a sense of urgency?? ;)) I'm not epileptic, just light sensitive. Here is a good site to read for photosensitive epilepsy: http://www.nfld.net/epilepsy/laephotosensitive.html > Am I the only person here who is bothered by those traffic lights that > blink? Not the flashing lights but the stop lights that blink occasionally. [quoted text clipped - 34 lines] > > both eyes for the problem to occur. I get photosensitive simple > > partials just looking at TV advertisements for 3D video games. > Here is a good site to read for photosensitive epilepsy: > > http://www.nfld.net/epilepsy/laephotosensitive.html In anyones experience, is there much benefit in applying a blue tint to glasses as opposed to other colors... or simply the dark color regular sunglasses use? I had some raybans yaers ago that had the yellow tint, and they were great, but I dont know if it did much for helping flashing or any of that. How about the transistion ones that tint depending on how bright the light is? Cheers > Am I the only person here who is bothered by those traffic lights that > blink? Not the flashing lights but the stop lights that blink occasionally. [quoted text clipped - 4 lines] > and I have never been known for not saying what I think. <g> > JoAnne Overkill is right! The old style emergency lights (rotating on top of the cars) were bad enough, but now at a zillion pulses per second, I can't stand to be anywhere near them. Good thing I don't drive, since I have to not only close but cover my eyes when I see them... > Overkill is right! The old style emergency lights (rotating on top of the > cars) were bad enough, but now at a zillion pulses per second, I can't stand > to be anywhere near them. Good thing I don't drive, since I have to not only > close but cover my eyes when I see them... Would polarized glasses help with anything like that? Or would they still be too intense? > > Overkill is right! The old style emergency lights (rotating on top of the > > cars) were bad enough, but now at a zillion pulses per second, I can't stand [quoted text clipped - 3 lines] > Would polarized glasses help with anything like that? Or would they > still be too intense? I think it's the speed of pulsing, not the brightness, that I have a problem with. > > Am I the only person here who is bothered by those traffic lights that > > blink? Not the flashing lights but the stop lights that blink > occasionally. > > Drives me nuts. And then there are the police cars. Do they really have to > > have such bright, quickly flashing lights? You must be able to see them a ********************************** > > zillion miles away. You would think everyone in the world was blind. I > > realize they want to be seen, but that is overkill. But that's my opinion, [quoted text clipped - 4 lines] > cars) were bad enough, but now at a zillion pulses per second, I can't stand > to be anywhere near them. *G* The olde style sirens are often no longer heard (except by pedestrians) if people have their Car Stereo on loud and Car Windows closed, as an Emergency Vehicle approaches from behind. And most people don't see the Flashing Red lights in their rear view mirror, or they wouldn't have had to develop the Strobing Blue-White light to get their attention. Those are used here (Toronto) as they approach intersections, since most cars aren't pulling to the side of the road and the Emerg. vehicle has to move into the Opposite direction 3 lanes of traffic, to cross intersections that have been blocked by the inattentive (thoughtless) drivers. The sound is also 'strobed' too, but people seem to notice the visual strobing more often than the audio signal. I expect the latter (drivers who don't pull over without the Strobing) have never been in Emerg. or had a family member whose life depended on either how quickly the Ambulance might get them to a Hospital, or the Ambulance might arrive at an accident scene. G./ . Good thing I don't drive, since I have to not only > close but cover my eyes when I see them... Hi, Many different light bsources can cause rections in people who are photophoebic or sensitive. Most causes are Cathode Ray Tubes and "strobe" lighting, common in nightclubs et al. As 3D depends upon certain methods of projecting light; I would imagine it also can have/cause reactions. good luck with it, Rich. PS: I am copying this to your address too in case you don't look in here each day? >i have photosensitive seizures (sometimes, really weird)... mostly on the > computer. but tonight my friends are going to an old 3d classic horror [quoted text clipped - 5 lines] > > thanks |
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