Pinpoint pupils occur when the pupils shrink to a small size. This can be due to various conditions and medications, such as prescription opioids, hypertension medications, and eye inflammation. In ...

What do an orgasm, a multiplication problem and a photo of a dead body have in common? Each induces a slight, irrepressible expansion of the pupils in our eyes. For more than a century scientists have ...

You look in the mirror and notice that the dark circles in the middle of your eyes are bigger than usual. What's going on? Those dark circles are your pupils, the openings that let light enter your ...

The dark part of your eye is called the pupil. Pupils can grow or shrink according to different lighting conditions. Other factors, such as drugs, can also affect pupil size. Read on to find out which ...

Dilated pupils mean that your pupils appear larger in size. The most common reason for dilated pupils is low light in a dark room since lower light causes your pupils to grow. Dilated pupils are also ...

Many factors can influence pupil size. Typically, the pupils open up in low light situations to let in more light. However, some research suggests that attraction and mood might also cause pupil ...

Have you ever looked at a cat and wondered why on earth they have such creepy slits for pupils? Scientists previously thought slit pupils were an advantage for being active both day and night because ...

A study finds men’s pupils dilate strictly according to their sexual preferences, and women’s pupils dilate more variably His gaze softens as he draws closer to you. With one hand around your waist ...

Dilated pupils can be a sign of love, but your pupils may also dilate when you’re angry, fearful, or are using excessive amounts of drugs or alcohol. Yes — but let’s take a sec to discuss it before ...

The black circle in the center of your eye is your pupil. It changes size thousands of times a day. When you're in dim light, it gets bigger to let more light in. When you're in bright light, it ...