Medically reviewed by Christine L. Larsen, MD Medications, trauma, and medical conditions can lead to abnormally small pupils ...

pupil movement might one day be used to detect disorders such as insomnia and post-traumatic stress disorder, or even a comatose patient’s recovery. We haven’t yet figured out if eyes are ...

Summary: A new study reveals that pupil size fluctuates constantly during sleep, reflecting changes in brain activation levels. Researchers developed a novel method to keep test subjects’ eyes open, ...

Methods: In this prospective observational study, we divided 156 eyes into two groups according to postoperative ... a history of retinal detachment, a small pupil, neuro-ophthalmic disease, a history ...

The key is: Exit pupils should roughly match your eyes' pupils. And eyes change with age. As a middle-age person, my dark-adapted eyes open to a pupil diameter of about 5 mm. A 12-year-old child's ...

Official implementation of the pupillometry system called PupilSense proposed in the article "PupilSense: Detection of Depressive Episodes Through Pupillary Response in the Wild".

Adjustable eyecups, which are common on most modern binoculars, serve the dual purpose of excluding extraneous sidelight and positioning the eye pupils the correct distance from the eyepieces so as to ...

In groundbreaking research, scientists have uncovered a fascinating link between pupil size during sleep and memory formation. Conducted by Cornell University, this study suggests that changes in ...

Methods: In this prospective study, we included 25 eyes of 25 patients (7 men) who underwent EVO-ICL and 36 eyes of 36 patients (16 men) who underwent SMILE between January 2018 and December 2018.

In addition to the eye movements that give it its name, during this phase of sleep, the pupils of the eyes become smaller, muscles relax and neurons in part of the brain activate in a regular, ...