First-ever images of living human retinas have yielded a surprise about how we perceive our world. Researchers at the University of Rochester have found that the number of color-sensitive cones in the ...

Scientists from Sydney, Göttingen, and New York have now elucidated how color is perceived in the peripheral visual field. In most humans, color vision is best in central vision and is far less ...

As discussed in the How Color Vision Works topic on my ever-evolving paper on color vision, most of us are quipped with three different types of color photo-receptors (“cones”) in our eyes. Thus, we ...

Perceptually, color is used to discriminate objects by hue and to identify color boundaries. The primate retina and the lateral geniculate nucleus (LGN) have cell populations sensitive to color ...

Dogs perceive colors differently than the way humans do because of how their eyes are built. But are dogs color blind? The answer isn't entirely black and white. Speaking to Newsweek, Dr. Jerry Klein, ...

Rhodopsin and cone opsins are essential for light detection in vertebrate rods and cones, respectively. It is well established that rhodopsin is required for rod phototransduction, outer segment disk ...

Sharks are unable to distinguish colors, even though their close relatives rays and chimaeras have some color vision, according to new research by Dr. Nathan Scott Hart and colleagues from the ...

Why do colors change as it gets darker? Why do we associate dark blues with pitch black night? For the answer, let’s look at the Purkinje Color Effect. We’ve all seen it in movies. The sun goes down ...