From velvety purples to fiery reds, many people can see a spectrum of vivid colors via the human eye. Others, however, may have limited hue perception due to certain conditions. Animals, on the other ...

Whitetail deer are famous for their ability to detect and avoid danger, with their nose, ears, and eyes combining to form a trifecta of defense mechanisms. But while their eyes are pretty sharp, deer ...

Color blindness, or color vision deficiency, causes a person to see colors differently from most other people. There are several types of color blindness. Color vision deficiency or loss has multiple ...