This condition is quite common, and it is said that 15 of the population would have experienced it at some point in their lives. However, if the difference in the diameter exceeds 1 mm, it may be termed anisocoria (unequal pupil size). Ideally, no two pupils can be of the same length or diameter. It allows light to the cornea and adjusts its size according to the amount of light. Surgery: Eye surgery may result in alterations in pupil size, which can be permanent. The pupil is the black-colored opening in the center of the eye.Seizure: Sometimes seizures (a disruption of electrical activity in the brain) can cause changes in the pupils, which may be equal or unequal.If you notice that your pupils are unequal in size, see a doctor right away. In fact, it happens in about one in five people. It’s common to have pupils that are different sizes. Migraine: While it is not common, migraines can cause anisocoria. Anisocoria, also called Adie’s tonic pupil or Adie syndrome, is described as uneven pupil size.Vision loss: Significant vision defects can affect pupil size and reactivity.Heinze says, the best data to show benefit of. If you have anisocoria and experience accompanying symptoms like headaches or eye pain, you should seek immediate care.

doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. The history and physical examination are important to determine which patients needs urgent referrals or routine clinical appointment. Ilan Cohenanswered 25 years experience Ophthalmology Damage:Trauma to the sphincter muscles of the iris can cause a larger pupil after trauma. pupil size/anisocoria Although an uncommon presentation to the eye casualty, causes of unequal pupil size ranges from benign to life-threatening conditions. Increased intracranial pressure: This can result from a brain tumor, meningitis (inflammation of the fluid around the brain), or a stroke. A: The medical term for different-size pupils is known as anisocoria. what causes uneven pupil size after eye injury Dr.Trauma: An injury affecting the eye or the brain may cause the pupils to be unequal.Inflammatory conditions, such as MS and sarcoidosis, also can do this. Inflammation: An infection affecting the eye or the cranial nerves can cause anisocoria.Cranial nerve damage: This can occur due to a stroke (a blockage of blood flow or bleeding in the brain), brain aneurysm (defect in a blood vessel), or a brain tumor.Multiple sclerosis (MS): MS is a chronic neurological disorder that causes symptoms affecting vision, movement, sensation, and more.

Doctor for unequal pupil size