Pupils Equal, Round, and Reacting to Light (PERRL): Neurological Significance
1. Introduction The clinical acronym PERRL stands for Pupils Equal, Round, and Reacting to Light, representing a normal neurological baseline during a pupillary examination. This finding confirms the structural integrity of the iris and the intact neurological pathways of the optic and oculomotor nerves. The pupillary assessment is one of the most fundamental, rapid, and … Read more