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Esotropia is a common type of strabismus (eye misalignment) where one or both eyes turn inward, toward the nose. It is often referred to as "crossed eyes" and is a failure of the eye muscles to coordinate properly.
read more about esotropia ...The primary causes include nerve damage, muscle imbalance, or severe farsightedness (hyperopia). In infants, esotropia is often congenital. In children, it may be accommodative, meaning the eye turns in due to the excessive focusing effort required to overcome uncorrected farsightedness. The turn occurs because the six extraocular muscles controlling the eye fail to work in parallel, causing one muscle to pull harder than the others.
Symptoms are associated with vision double vision and poor depth perception. Children often suppress (ignore) the image from the misaligned eye, leading to amblyopia (lazy eye) and permanent vision loss if not treated. Adults who develop esotropia often experience severe double vision (diplopia).
The goal of management is to straighten the eyes and restore binocular (two-eyed) vision. Treatment often begins with correcting farsightedness with glasses, followed by patching therapy (to strengthen the misaligned eye), vision therapy, or surgical realignment of the eye muscles.
Contact lenses affect management by providing a cosmetically preferable alternative to glasses. Toric contact lenses can correct any underlying refractive errors, and the contact lens itself does not interfere with patching therapy, which is necessary for treating amblyopia.
Early intervention is necessary for children to prevent permanent vision loss. If the eye misalignment is not corrected before the critical visual development period (around age 7), the brain learns to ignore the misaligned eye, resulting in permanent amblyopia (lazy eye).
Yes, it is often curable or highly correctable with surgery, glasses, and therapy.
No, esotropia is an inward turn (crossed eyes). Exotropia is an outward turn (wall eyes).
Patching therapy fixes the amblyopia (lazy eye). Surgery or glasses are usually needed to fix the physical eye turn.
If you notice your child's eye turning in, even occasionally, see a pediatric optometrist. Early treatment before age 7 is critical to prevent permanent "Amblyopia" (lazy eye). In adults, sudden-onset esotropia can indicate a "6th Cranial Nerve Palsy" and requires urgent neurological evaluation.
AAO. What is Esotropia? (aao.org). 2024.
Mayo Clinic. Crossed Eyes (Strabismus) (mayoclinic.org). 2024.
Cleveland Clinic. Strabismus Guide (clevelandclinic.org). 2024.
StatPearls. Esotropia (ncbi.nlm.nih.gov). 2024.