Anisocoria is when the pupils of your eyes are different sizes. Sometimes, unequal pupils can be a sign of health issues like multiple sclerosis or nerve damage. Medications placed in the eyes can ...

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 ...

A person’s pupils may be of different sizes (anisocoria) for several reasons, including physical trauma, response to light, and infection. The condition may also be present from birth. Pupils, or the ...

Anisocoria is a term that refers to an abnormal condition in which the pupils of the two eyes in the same individual are of different sizes. Normally, the size of the pupil is identical in both eyes.

A 73-year-old woman presented with asymmetrical pupils. She had no loss of vision, double vision, eye pain, light sensitivity, or abnormal sweating. The patient had a history of bilateral cataract ...

A 38-year-old woman noted that her left pupil was larger than the right pupil after exercising in the gym 3 days prior to her eye examination. There is no family history of vision loss. She does not ...

Please provide your email address to receive an email when new articles are posted on . The ophthalmology service at Tufts Medical Center was consulted for a “blown pupil” in the right eye of a 2-year ...