A 9-year-old girl presented to the glaucoma service at the New England Eye Center at Tufts Medical Center for evaluation of elevated IOP that had been managed by her pediatric ophthalmologist since ...

The PERRLA test is a standard eye examination that can help healthcare professionals diagnose a wide range of health issues, including vision problems and some neurological conditions. People may ...

MONT TREMBLANT, Canada — Observation of abnormal pupil movements can help diagnose the aberrant nerve regeneration that causes misdirection syndromes, said Randy H. Kardon, MD, PhD. Learning the pupil ...

Pupil size in response to light could serve as a biomarker for concussion, according to a study published in Life. “A concussive injury to the brain is associated with changes in the PLR [pupillary ...

New research points to an easily measured eye response to light as a potentially useful way of diagnosing autism in very young children. Further testing is currently underway in a large cohort of ...

Our eyes offer clues about our mental health. Changes in pupil size may signal stress or neurological issues. Mehezabin Dordi from Sir HN Reliance Foundation Hospital highlights this connection.

The size of your pupils varies throughout the day, but most people’s pupils fall within a particular size range. We’ll look at when and why your pupils change size. First, the range of “normal” pupil ...