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From the module (The Arts and Science of Colours)

2007-10-30 19:24:37 · 1 answers · asked by Sora 1 in Education & Reference Homework Help

1 answers

Having the appropriate numbers of rods and cones on (in) the retina and these being healthy. Having a healthy and functioning optic nerve.

2007-11-07 14:54:51 · answer #1 · answered by jemhasb 7 · 0 0

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