Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study, published in The Journal of Physiology, ...
For over a century, scientists believed that light, focus distance, and cognitive effort were the main forces behind changes in pupil size. But a new discovery adds breathing to that list. Researchers ...
New research from the Rompani and Asari groups at EMBL Rome suggests that the pupil does more than just respond to light and ...
Please provide your email address to receive an email when new articles are posted on . We tend to think of the pupil as a simple structure but, in fact, it is constantly in flux. The pupil is ...
IRVINE, Calif.--(BUSINESS WIRE)--A new peer-reviewed study shows that even one occurrence of an abnormal Neurological Pupil index™ (NPi®) differential, measured by NeurOptics’ NPi Pupillometer, can be ...
The PERRLA test is a standard eye examination that can help healthcare professionals diagnose a wide range of health issues, including vision problems and some neurological conditions. People may ...
Pupillary distance is the space — measured in millimeters (mm) — from the center of one pupil to another. When you need glasses, an optometrist or an optician will measure this distance to make sure ...
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