Pupillometry, the measurement of pupil size and reactivity, is a key part of the clinical neurological exam for patients with a wide variety of neurological injuries. It is also used in psychology.[1][2]
^Kerr, R (2016). "Underestimation of pupil size by critical care and neurosurgical nurses". American Journal of Critical Care. 25 (3): 213–219. doi:10.4037/ajcc2016554. PMID27134226. S2CID8564670.
^Olson, D (2015). "The use of automated pupillometry in critical care". Critical Care Nursing Clinics of North America. 28 (1): 101–107. doi:10.1016/j.cnc.2015.09.003. PMID26873763.