Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil ...

Researchers have discovered a fundamental mechanism that affects pupil size: breathing. The study shows that the pupil is ...

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

It was previously believed that our pupil size was only affected by three things: light, focusing on nearby objects and ...

Most folks don't know how to properly focus binoculars. Here's how to adjust binoculars so that you can glass better in the field.

Researchers have discovered that breathing affects pupil size, with the pupil being smallest during inhalation and largest ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing.

Secondary pupils currently qualify for free transport if they live more than two miles from their school, but this could ...

Additionally, users can manually adjust the displays for finer tuning. Another key factor in alleviating headaches is adjusting the pupillary distance (PD), which is the measurement between the ...

You have probably heard the saying that the eyes are the windows to the soul, but now it turns out that they are also connected to how we breathe ...