Add Yahoo as a preferred source to see more of our stories on Google. Pupils often dilate in response to low light. Radu Bighian/Getty Images Dilated pupils mean that your pupils appear larger in size ...

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.

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.

Dilated pupils (mydriasis or fixed pupils) are when your eyes' pupils, which let light into your eyes, become wider. This can happen due to medications used during an eye exam (mydriatic drops), other ...

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 ...

When people win or lose something, their pupils dilate slightly. Researchers have found that this dilation is less pronounced in acutely depressed patients than in healthy people. The more severely ...

Researchers from the University of California have found a low-cost, non-invasive method to aid in diagnosing Alzheimer’s Disease (AD) before cognitive decline begins. Given that AD begins to alter ...

Eye dilation refers to a widening of the pupils. When doctors dilate the pupils during an eye exam, it typically lasts between 4 and 24 hours. Doctors sometimes use eye dilation drops to dilate a ...