Dilated pupils are also caused by drug use, sexual attraction, brain injury, eye injury, certain medications, or benign episodic unilateral mydriasis (BEUM). The size of your pupils can say a lot ...

similar to what optometrists use during eye exams. "We found that people who more intensely and consistently paid attention, ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

Flash photos typically produce a red reflection in people’s eyes, but sometimes that reflection can appear white or gray, ...

Larsen, MDThe pupil is the opening located in the center of the iris of the eye. It controls the amount of light that enters ...

MEENAKASHI GUPTA: The dilated examination is the gold ... that will be placed in your eyes to make your pupils large and the back of your eye where the retina is located will be examined.

A healthcare professional usually gives you anesthetic drops to numb your eye and minimize discomfort. While your pupils won’t be dilated, your vision may be temporarily blurred during the test.

One theory is that in the winter, pressure inside the animal's eye builds due to the effort of keeping the pupils dilated and large for months on end. The pressure squeezes fluid out of the tapetum ...

Some animals accomplish this with a retractable eye flap. Others rely on their pupils. The circular pupil, because of the way the muscle bunches as it contracts, is the least efficient at closing ...