Dilated pupils (mydriasis or fixed pupils) are when your eyes' pupils, which let light into your eyes, become wider. This can ...

The eyes are often referred to as the “windows to the soul.” In fact, there is a grain of neurobiological truth to this. An international research team from the Universities of Göttingen and Tübingen, ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

Isolated anisocoria in the absence of ocular misalignment and ptosis raises suspicion for a tonic pupil. This diagnosis is further confirmed by the absence of other neurologic or systemic findings and ...

Various drugs and other substances can affect the appearance of your eyes, and cocaine’s no different. While there are a number of potential signs of cocaine use, dilated pupils and bloodshot eyes are ...

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.

From a scientific perspective, it may sound a bit too fanciful to call our eyes “windows to the soul.” But research suggests that looking into them can, quite literally, offer a peep into a person’s ...