Does someone actually fancy you, or are they just being polite? Now, scientists have revealed an easy way to find out - ...

To begin understanding glaucoma, you must first know a few basic facts about the eye and how it works. With this knowledge, you will be better prepared to discuss your condition and treatment with ...

Your eyes don’t lie. When you like someone, you’re drawn to them. Your gaze lingers, and your pupils widen, taking in as much of them as you can. No matter how hard you try to play it cool, this ...

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 ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...

The pupil responds to light, which is essential for our vision and how we see our surroundings. Three known mechanisms change the pupil’s size: the amount of light, focus distance, and cognitive ...

Researchers at Karolinska Institutet found that breathing affects pupil size, with pupils being smallest during inhalation and largest during exhalation. This discovery, which suggests a ...

Researchers have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study shows that the pupil is smallest during inhalation and largest during exhalation ...

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, ...