How the retina works
ask at me.com
Sun Jul 4 16:17:24 EST 2004
"Michael Olea" <oleaj at sbcglobal.net> wrote in message
news:BD0B8241.A7FC%oleaj at sbcglobal.net...
> So you probably already got:
> Helga Kolb's overview "How the Retina Works"
> available at:
Yep that's the same one, it's not half bad.
> A nice website on the evolution of the retina is:
That seems food as well, thanks!
> As for the "upside down design", Stephen Palmer writes in the book "Vision
> Science: Photons to Phenomenology":
> The reason for this unusual arrangement is probably that the enzymes that
> are needed for pigment regeneration are in the pigment epithelium, which is
> opaque. Because the receptor disks must be adjacent to this vital
> biochemical resource, they must also be at the back of the retina.
> But then there is the head-foot molluscs retinal organization...(shrug).
Do I want to know :) ?
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