Posted Jan 28, 2003 by chickadee (wheee!)
In animals like cats, the reflections at night are because of an extra membrane, the tapetum lucidum, behind the retina, which reflects light back to the retina, so at night each bit of light gets two chances to hit the retina. People don't have one. btw, i'm in second year high school bio 
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Posted Jan 28, 2003 by SallyM
Yeah, kinda cool isn't it.
I decided not to put animal eyes in this article, because I would have to put loads of info I didn't know that much about. I do humans most of the time.
Got to say i wish i was doing 2nd year biology, at the moment i'm doing 2nd year optometry with ocular pathology, microbiology and pharmacology. It's getting confusing
SallyM 
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Posted Jan 28, 2003 by SallyM
Yeah great isn't it
I decided not to put it in the article because I wanted to concentrate on humans only. If i did animals I'd have to include flies eyes and lots of info that I don't know much about. I only really do humans.
Wish I was back doing 2nd year biology, doing 2nd year optometry and it's getting complicated.
SallyM
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Posted Jan 28, 2003 by SallyM
Don't you just hate it when that happens, you think you've lost your message, re-write it and it appears again!!!!
SallyM
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A: An older reply to the parent Posting
B: The parent Posting, to which this is a reply
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