Background The normal pupillary constriction to light is an involuntary reflex that can be easily elicited and observed without specialized equipment or discomfort to the patient. Attenuation of this ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...

Pupils are the dark-colored openings at the center of your eyes that let light in. Doctors can look at your pupils for clues about your health. The size of your pupils and how they react to light can ...

Marcus Gunn pupil is a rare condition that affects the eyes, causing each to respond differently when a light is shone into them. Treatment typically focuses on the cause of Marcus Gunn pupil. This ...

Pupil size predicts death and hospital readmission in patients with heart failure, according to research published today in ESC Heart Failure, a journal of the European Society of Cardiology (ESC). 1 ...

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 ...

A former teacher has been banned from the profession indefinitely after he was found to have engaged in inappropriate and ...

This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify or wherever you get your podcasts. The videos go like this: Someone uses their phone to zoom in on ...

A history teacher who sent messages about her sexual encounters to a pupil on Instagram and encouraged him to drink alcohol and smoke cannabis with her has been struck off. Charlotte Doman, 34, has ...