The NeurOptics ® NPi ® Pupillometer is a handheld, automated optical scanner that provides accurate, reliable, and objective measurements of pupillary size, symmetry, and reactivity throughout the entire …

An automated pupillometer is a portable, handheld device that provides a reliable and objective measurement of pupillary size, symmetry, and reactivity through measurement of the pupillary light …

Automated pupillometry, which is more accurate and precise, is widely used in diverse clinical situations. This review presents our current understanding of the anatomical and physiological basis of the PLR …

Apr 14, 2024 · This review paper provides an overview and rationale for pupillometer use and highlights literature supporting pupillometer-derived measures of the pupillary light reflex in both neurological …

Jul 19, 2025 · A pupillometer is a specialized, automated device that objectively measures the pupillary light reflex—the eye’s natural response to changing light conditions. Unlike traditional manual …

A pupillometer is a handheld device used to objectively measure the size, shape, and reactivity of the pupils, assessing the function of cranial nerves II and III. It quantifies the speed of pupil constriction …

LIOR™ provides consistent pupil measurements to detect neurological changes that can be missed with manual checks. Opioids and toxins affect pupil response before other signs appear. LIOR™ helps …

May 27, 2024 · The NeurOptics NPi-200 (and its newer version NPi-300) system is a compact handheld pupillometer measuring the pupil diameter and reactivity to white light; the light duration and intensity …

Jun 5, 2023 · What Is a Pupillometer? The pupillometer is a device used to measure the size of the pupils, the dark center of the eye.

Understanding the Core Function: What Does a Pupilometer Measure? At its heart, the primary medical purpose of a pupilometer is straightforward: to objectively measure and assess the size and reactivity …