A blue glare illusion was perceived to be brightest and caused larger pupil constriction The Department of Computer Science and Engineering at Toyohashi University of Technology formed a research team ...

Scientists from the Max Planck Institute of Psychiatry measured the pupillary reaction of participants while they were solving a task. In healthy participants, the pupils dilated during the task in ...

A compelling study has found pupils respond in the same way to the number of objects in one’s field of vision as they do to light. Experiments revealed pupils dilate in response to images with larger ...

Pupil dilation in reaction to negative emotional faces predicts risk for depression relapse, according to new research from Binghamton University, State University of New York. Researchers at ...

Expand the image above to fill your screen and stare at the black blob in the center. (You can also find the original version here.) Most people perceive the blob as ...

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

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

Pupils expand when there are more objects to look at. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Your pupils might be able to count … sort ...

Please provide your email address to receive an email when new articles are posted on . OCT is a noninvasive, noncontact imaging system providing real-time, high-resolution, cross-sectional images ...