How the retina works

Scott Seidman namdiesttocs at
Fri Jul 2 17:55:58 EST 2004

"Wil Hadden" <ask at> wrote in news:2km7apF3uue4U1 at

> It would seem odd that light has to pass thought all the other layers
> first, you would imagine that light is being muted going thought those
> other layers. Seeing as we a so extremely dependant on sight this
> would be a very evolutionary big disadvantage. 

Hasn't done us in yet! 


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