There are a handful of pupillary abnormalities that every clinician should know. Here we review the basic physiology then describe these abnormal pupillary responses and how to find them. The ...

Medications, trauma, and medical conditions can cause miosis or constricted pupils. Seek emergency help if you experience signs of a stroke, like confusion or trouble speaking. A healthcare provider ...

Medically reviewed by Johnstone M. Kim, MD Key Takeaways The pupil controls how much light enters the eye, allowing for clear ...

Movie demonstrating the increase in accommodative eye vergence and pupil constriction when the fixating eye (left side of image, right eye of subject) is exposed to -5D defocus. The occluded eye ...

New findings from researchers at UCLA Health suggest that measuring changes in how pupils react to light could help predict recovery from depression and personalize transcranial magnetic stimulation ...

The association between perceived glossiness and pupillary response has previously been elucidated through a collaborative effort involving the Cognitive Neurotechnology Unit and the Visual Perception ...

A pilot study found that children with autism show a significantly stronger pupillary constriction to light than typically ...

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 ...

New pupillometry experiments show that silent inner speech produces lower and sometimes opposite pupil-linked brain arousal ...

Researchers measured people's perceived brightness and pupillary response after viewing glare illusions presented in a variety of different colors. A glare illusion is an optical illusion that has a ...