Please provide your email address to receive an email when new articles are posted on . For all people, pupil size has an important role in balancing incoming light with depth of field to optimize ...

Please provide your email address to receive an email when new articles are posted on . Brimonidine tartrate can successfully reduce halo size and pupil size in patients with night-vision symptoms ...

It has been said that “the eyes are the window to the soul,” but new research suggests that they may be a window to the brain as well. We first uncovered this surprising relationship while studying ...

“The effect was so strong, we knew immediately that we were onto something important,” recalls Nikola Grujic, a postdoc in the Neurobehavioural Dynamics Laboratory at ETH Zurich. Through a series of ...

Add Yahoo as a preferred source to see more of our stories on Google. You have probably heard the saying that the eyes are the windows to the soul, but now it turns out that they are also connected to ...

You have probably heard the saying that the eyes are the windows to the soul, but new research shows they are also connected ...

The pupillary light response helps our eyes see the world around us in various lighting conditions ranging from bright, sunny days to dark, moonlit nights. Like a camera's aperture, this adaptive ...

Researchers from Cornell University informed that pupil is key to understanding how, and when the brain forms strong memories that have a long recall value. The researchers studied mice with brain ...

When people are awake, their pupils regularly change in size. Those changes are meaningful, reflecting shifting attention or vigilance, for example. Now, researchers have found in studies of mice that ...

Visual illusions of motion are a major source of interest in the vision research community. Explaining how a still image can produce an illusory perception of motion is important for a more complete ...

Chimpanzees and humans may share the same ability to empathise with other individuals by involuntarily matching their pupil size. The mimicry only appears to work between two humans or between two ...