What is strabismus and how common is it?
Strabismus is any misalignment of the eyes. It is estimated that 4% of the U.S. population has strabismus.
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What adult disorders cause strabismus?
Stroke is the leading cause of strabismus in adults. Trauma, neurological problems, and Graves disease (thyroid eye disorders) are other common causes of strabismus.
How does trauma cause strabismus?
Trauma can cause strabismus by 1) brain damage that impairs control of eye movement, 2) damage of the nerves that control eye movement and/or 3) damage of the eye muscles either directly or secondarily from trauma to the eye socket.
How is strabismus treated?
The goal of strabismus treatment is to improve eye alignment which allows for the eyes to better work together (binocular vision). Treatment may involve eye glasses, eye exercises, prism, and/ or eye muscle surgery. Problems associated with strabismus (including amblyopia, ptosis, and cataract) are usually treated prior to eye muscle surgery.
Aren’t the glasses she wore following the concussion a “Fresnel prism” lens ? As far as I know, those are designed to treat double vision in the aftermath of a brain injury.