An abnormal red reflex finding most likely reflects an underlying ocular pathology in infants, but finding a normal red reflex during screening does not altogether exclude ocular disease. The American ...

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.

Red light therapy (RLT) involves exposing the body to low-wavelength red or near-infrared light (IRL). Red and near-IRL differ slightly in terms of wavelength and visibility. Red light is visible to ...