What is the cause of anisocoria?

Generally, anisocoria is caused by impaired dilation (a sympathetic response) or impaired constriction (a parasympathetic response) of pupils. An injury or lesion in either pathway may result in changes in pupil size.

Can a spinal cord injury affect your eyes?

Blurry vision, seeing spots, or a complete loss of vision. Feeling anxious. Developing splotchy skin above the level of the injury.

Can MS cause anisocoria?

This condition is often associated with multiple sclerosis. Anisocoria (unequal pupils) – Unequal pupils can be observed in neurologic conditions such as migraines, Horner’s syndrome, Adie’s tonic pupil, and third nerve palsy.

Can anisocoria go away?

Simple anisocoria This is a benign condition that causes the pupils to differ in size, usually by up to one millimeter in diameter, without affecting the pupils’ response to light. This condition can be intermittent or constant, and may even go away on its own without medical intervention.

Can nerve damage in neck cause vision problems?

A pinched or damaged nerve in your spine may lead to blurred vision or headaches, loss of hearing, slurred speech, and bowel and bladder problems, to name a few.

Can optic neuritis cause Anisocoria?

Remember that the Relative Afferent Pupillary Defect called Marcus Gunn Pupil is also known as “dynamic anisocoria.” This is caused by damage along the 2nd cranial nerve and is seen more commonly in cases of optic neuritis and MS.

What causes Anisocoria in neurological disorders?

Neurological disorders. A variety of conditions that damage nerves in the brain or spinal cord can cause anisocoria. One of the most considerable of these is Horner’s syndrome [see below] People with nerve system conditions that cause anisocoria often also have a drooping eyelid, double vision and/or strabismus.

What are the treatment options for anisocoria?

Treatment for anisocoria itself is usually not necessary. However, bifocals or reading glasses may be beneficial if uneven pupils cause unequal accommodation. With benign cases of this condition, a doctor might recommend photochromic lenses.

What is Horner syndrome in anisocoria?

However, the most concerning condition in the differential diagnosis of a child with anisocoria is Horner syndrome, a loss of the sympathetic tone to the eye (oculo-sympathetic paresis). The typical presentation of Horner syndrome includes unilateral ptosis and miosis.

What is anisocoria (Adie’s tonic pupil)?

Anisocoria, also called Adie’s tonic pupil or Adie syndrome, is described as uneven pupil size. It’s common to have pupils that are different sizes. In fact, it happens in about one in five people. While it is often a benign issue, it is also possible for it to be a symptom of a medical condition.