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 ...

PERRLA is an acronym used to document a common pupillary response test. It helps eye doctors remember what to check for when examining your pupils. Your eyes, besides allowing you to see the world, ...

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 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 ...

In summary, this patient suffered sequential, bilateral occipital lobe infarctions, which resulted in the sudden onset of bilateral visual loss. Patients with bilateral visual loss and normal ...