Researchers have investigated the impact of 10-min very light exercise on pupil size and prefrontal function. Their findings provide the first evidence that changes in pupil size during exercise can ...

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 ...

Examining the pupil and performing motility checks are key for effectively managing patients with ptosis and catching underlying conditions, according to a speaker at Hawaiian Eye 2026. “When you ...

For more than a century, scientists have understood that three factors control pupil size: light, focus distance, and ...

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, ...

Scientists at Cornell University identified this contracted-pupil sleep state and its connection to recent memories in a complex study that opens up new avenues in understanding cognitive function – ...

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 ...

NEW YORK (Reuters Health) - Tests of pupil function, as an indicator of how well the automatic nervous system is working, may help predict how likely young diabetics are to develop "microvascular ...