Prefer Newsweek on Google to see more of our trusted coverage when you search. The pupils of our eyes get larger when we are focusing on a task–and the size may give clues about our working memory ...

His gaze softens as he draws closer to you. With one hand around your waist and the other cradling your jaw, he pulls you in. You look into his eyes, and notice his pupils have grown large and hungry.

Normally, a person's pupils naturally widen (or dilate) in low-light environments to allow more light into the eye. However, in a new study, researchers reported that a person's pupils also dilate ...

A yearly dilated eye exam could protect more than just your vision. Problems spotted in the eye are often the first warning of disease elsewhere in the body. Fortunately, eye doctors may be the first ...

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May 8 (Reuters) - Eyenovia Inc EYEN.Osaid on Monday the U.S. Food and Drug Administration (FDA) had approved its pupil-dilating spray to be used with the company's proprietary drug delivery device ...