The keen practitioner can gain helpful information simply by assessing pupillary responses. The pupils will offer substantial insight into one’s ocular health and the state of the visual pathways ...

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 ...

Pupil size predicts death and hospital readmission in patients with heart failure, according to research published today in ESC Heart Failure, a journal of the European Society of Cardiology (ESC). 1 ...

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 ...

Have you ever noticed the different shape of the pupil in the eyes of different animals? Some animals, such as the dog, have circular pupils similar to the human eye. Some animals, including goats, ...

The eyes may be the window to the soul, but the pupil is key to understanding how, and when, the brain forms strong, long-lasting memories, Cornell researchers have found. By studying mice equipped ...

Cornell University researchers have found the pupil is key to understanding how, and when, the brain forms strong, long-lasting memories. By studying mice equipped with brain electrodes and tiny ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...