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Yellow eyes instead of red eyes?

post #1 of 6
Thread Starter 
I wasn't sure where to post this, and this might not be a good forum for it, but we have a lot of smart ppl here so i thought i'd try

every one knows the problem, room is dark, eyes turn red.
I recently took a (quite random) picture of some of my friends, while playing GH3 contest. Now notice the girl in the picture, 1 eye is red and the other one is yellow

As what i've understood of red eyes, is the fact that the pupil is open and light reflecs the bloody inside of the eye, but yellow?

"In many species the tapetum lucidum, a light-reflecting layer behind the retina which improves night vision, intensifies this effect. This leads to variations in the color of the reflected light from species to species. Cats, for example, display blue, yellow, pink, or green eyes in flash photographs."

from wiki, has my friend one super-nightvision eye? is she an alien?



PS: i swear i didn't photoshop this
    
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post #2 of 6
What my guess would be is that she was looking exactly where the flash came from, causing the flash to reflect off that tapetum lucidum more intensely, and probably causing it to turn more of a bright color. I wouldn't say that is yellow as more as it is a bright red / orange.
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post #3 of 6
http://www.bartsandthelondon.org.uk/...ma_service.asp
After some research.... it appears your friend may have a cancer called "Retinoblastoma". Get her checked out by a doctor, ASAP!
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by bentrinh View Post
http://www.bartsandthelondon.org.uk/...ma_service.asp
After some research.... it appears your friend may have a cancer called "Retinoblastoma". Get her checked out by a doctor, ASAP!
dammn, i sure hope this isn't the case but I will take her to the doctor!
    
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post #5 of 6
Nope shes an alien, reported to FBI.
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post #6 of 6
i've seen the same thing happen with cats, although on them, it's much more intensive because of the reflecting retina...

Humans have something like it, but it's much more underdeveloped in us than in, say, a cat or a dog. Humans ar not nocturnal, nor are they really predators in the sense.

Because of this, there's really no need for that kind of retina, but it can still be seen on pictures where the person stares right into the flash. This is especially common in places, where there's not much light and where the pupil is dilated.

In the event of a sudden burst of bright light, the pupil can't contrach fast enough, and the retina reflects a faster wavelength of light, in this case yellow.

it's just a small thory of mine, so it might not be right, but hey, at least it's a possibled explanation.
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