A new study showed that NeurOptics Pupillometers reliably measure the presence and quality of the pupillary light reflex after cardiac arrest and during resuscitation, producing readings that ...

A cone of light that looks something like an upside-down or elongated “V.” The further you get from the equator, the lower it is on the horizon and the more infrequent it is to see.

DENTON1 has suggested that a possible function of the pupil light reflex might be to provide apertures optimum for visual acuity at different light intensities. At low levels of luminance visual ...