The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...

"Why don't your pupils ever move?," asked Meghan Rolston, 11, a fifth-grader at Butterfield School in Libertyville. In a split second, your brain makes millions of decisions about information gathered ...

In a new study from SUNY College of Optometry to be published in Cell Reports, Maharjan et al. demonstrate that human ...

It’s not just the phone, it’s the lighting. Scientists have found a new biological link between dim indoor habits and the global nearsightedness epidemic.

It is commonly known that pupil size fluctuates in response to brightness and darkness during wakefulness. What is less commonly known is that pupil size is also regulated by the autonomic nervous ...

Gazing into a remarkably detailed digital eye did not stir up latent fears of the omnipotent. At least, that wasn’t the case with the all-seeing eye that I recreated with the Eye Texture Raytracer, a ...