St. Louis, Jan. 10, 2003 – Investigators at Washington University School of Medicine in St. Louis have demonstrated that a particular protein is important for the eye's pupil to respond to light. The ...

An artificial vision sensor inspired by the human pupil adapts automatically to light, maintaining clear perception from ...

The eye's light-sensing retina taps different circuits depending on whether it is generating image-forming vision or carrying out a non-vision function such as regulating pupil size or sleep/wake ...

A new study showed that NeurOptics Pupillometers reliably measure the presence and quality of the pupillary light reflex after cardiac arrest and during resuscitation, producing readings that ...

Objective Pupillary light reflex (PLR) metrics are enhanced in adolescents with concussion. It is not known if these PLR metrics in concussed adolescents return back to the normal range at recovery.

A 77-year-old man awoke with blurred vision in each eye. His vision had been normal the night before. He had no headaches, jaw claudication, or other symptoms of giant cell arteritis. He denied any ...