Optics & Photonics News Magazine
January 2001 Issue
January 2001 Issue
Feature Articles
Color Vision: Almost Reason Enough for Having Eyes
A dog’s ability to see colors is similar to that of most other mammals, although different from that of humans with normal vision. Cross-species comparisons of differences in color vision have helped us appreciate our own ability to see colors, as well as to understand the underlying mechanisms of color vision.
by Jay Neitz, Joseph Carroll, Maureen Neitz
![Manual probe system with needles for test of semiconductor on silicon wafer. [A. Morozov / Getty]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1125/departments/202511-cover-web.jpg?ext=.jpg)
![Researcher Clara Saraceno in the lab. [Image by Carsten Behler Photography]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1025/departments/202510-cover-web.jpg?ext=.jpg)
