Hi,
I'm no doctor (trust me), but isn't it the case that mammalian blood is
not red but blue when it's in the veins? It only turns red when it
oxidises (eg when it comes out of your veins). This would suggest that
red-eye is not a reflection off blood vessels, but off the retina
itself, which is a collection of cells. Different animals have different
coloured retinas, I believe, so they have different coloured red-eye.
I think it is also the case that some people (cat people, perhaps)
have non-red retinas.
---
Bob
mailto:[EMAIL PROTECTED]
Wednesday, May 23, 2001, 10:06:56 PM, you wrote:
> On 23 May 2001, at 9:38, [EMAIL PROTECTED] wrote:
>> Ayash,
>>
>> You understand that red-eye because you show the illumination of the red
>> blood vessels at the rear of the eyeball in your photo.
> Which leads me to the question; do cats eyes have green blood vessels?
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