When everything is normal, we log this as PERRLA
PERRLA
Pupils Equally Round and Reactive to Light and Accommodation
Relative Afferent Pupillary Defect (RAPD)
This likely means there is an issue with a person's retina or optic nerve, and there is a diminished ability to send signals to the brain!
Can be cause by severe Glaucoma, retinal detachments, tumors, or Multiple Sclerosis