New findings suggest that measuring changes in how pupils react to light could help predict recovery from depression and personalize transcranial magnetic stimulation (TMS) treatment of major ...

When the dark circle in the center of your eye is larger than normal Dilated pupils (mydriasis) can happen for many reasons, such as a normal response to light, medication or drug use, eye exams, and ...

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 ...

Technology that measures how the eye’s pupil respond to light is showing promise in research as a childhood screening tool for autism – with a goal of toddler-age interventions that could ...

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 ...

Opioids usually make a person’s pupils constrict. This is when the black part at the center of the eye gets smaller, reducing the amount of light that gets inside. Typically, pupil constriction ...