May 28, 2010 (Philadelphia, Pennsylvania) — In an effort to find discrete phenotypic features that are consistently present in autistic populations, researchers at the University of Missouri Thompson ...

An abnormal pupillary light reflex (PLR) is commonly detected in patients with glaucoma, and these differences can be used to distinguish glaucomatous eyes from unaffected eyes, according to the ...

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 ...

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.

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 ...

Measuring how the eyes' pupils change in response to light -- known as the pupillary light reflex -- could potentially be used to screen for autism in young children, according to a new study.

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

As an ophthalmologist, I have a question regarding the clinical history for the 16-year-old boy with progressive vision loss described by Shaun Morris and associates:1 Was the patient tested for a ...

Ever wonder what your doctor is looking for when she pokes and prods during a physical exam, then blinds you with that little flashlight? Sit with your right leg crossed over your left and briskly tap ...