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Old 11-22-2007, 03:16 AM
fluidistic fluidistic is offline
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Default Hyperopia and reversed image?

I don't understand something about hyperopia. If you take a look at the picture on wikipédia : http://en.wikipedia.org/wiki/Image:Hypermetropia.svg, you will see that people suffering of hyperopia recieve a non reversed image about things they see. So normally the brain inverse the image recieved, and should make them see reversed? Of course it doesn't occur, so why? Why do people suffering of hyperopia doesn't see reversed? Thanks!!
Wow I didn't know that. It means that if a person suffering of hyperopia has correcting glasses in front of him he would see a correct image, while not looking through the glasses he would see reversed, or viceversa. Strange. Never heard about it before.


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Old 11-22-2007, 03:17 AM
dansinger61 dansinger61 is offline
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The brain quickly adjusts to image reversals of this sort. Scientists have experimented by having subjects where prism glasses that invert the images they see, but otherwise leave them in perfect focus. The users suffer a day or two of disorientation before the brain realizes the situation and corrects for it. When the glasses are removed, the brain takes a day or two to switch back to normal.
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Old 04-17-2009, 12:12 PM
tuvw175 tuvw175 is offline
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Old 07-03-2009, 12:08 PM
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