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 ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study, published in The Journal of Physiology, ...

Martin Schaefer is affiliated with Karolinska Institutet. 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 how we ...

Researchers from Cornell University informed that pupil is key to understanding how, and when the brain forms strong memories ...

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 ...

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 ...

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 ...

New Delhi, Pupil size during sleep whether contracted or dilated could be key to understanding how the brain forms long-lasting memories, according to a study in mice, findings from which could help ...