Medically reviewed by Christine L. Larsen, MD The pupil is the opening located in the center of the iris of the eye. It ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for ...

Understanding pupil dynamics during sleep could also provide important insights for the diagnosis and treatment of sleep disorders and other illnesses. The researchers therefore want to ...

Using pupillary dynamics to diagnose illnesses Understanding pupil dynamics during sleep could also provide important insights for the diagnosis and treatment of sleep disorders and other illnesses.

such as the autism spectrum disorders, focuses on complex clinical evaluations. But a study published last week (March 6) in eLife shows that an objective measure—how the pupil varies in size while ...

Thanks to these new findings, pupil dynamics could be used to detect sleep disorders caused by illnesses such as post-traumatic stress disorder or insomnia. Our eyes are typically closed when we sleep ...