English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Psychology class
retina of eye

2006-07-27 10:50:30 · 4 answers · asked by Anonymous in Education & Reference Higher Education (University +)

4 answers

Rods: 120 Million of them. Mostly in the periphery. Very sensitive. Active when seeing in the dark. Using Rhodopsin as transducing chemical.
Cones: 1 Million. 3 Types. Concentrated in the fovea. Responsible for color vision and high visual acuity. Less sensitive. Active when seeing during the day, in bright light.

2006-07-27 18:38:32 · answer #1 · answered by Ejsenstejn 2 · 0 0

That they don't fully explain why people see colors.

People with an inbalance of rods to cones are colorblind.

2006-07-27 10:56:43 · answer #2 · answered by Man 6 · 0 0

It realy depends on what your asking ie:what has research shown on damage to , development of ect...

2006-07-27 10:59:16 · answer #3 · answered by rop mama 2 · 0 0

Actually there are 6 million cones...:)

2006-07-29 10:33:13 · answer #4 · answered by eyegirl 6 · 0 0

fedest.com, questions and answers