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What Is Eye Muscle Surgery?

Eye muscle surgery is a procedure that adjusts the position or strength of muscles that move the eyes. It is commonly used to treat strabismus, where the eyes do not point in the same direction. By tightening or loosening specific muscles, surgeons help the eyes line up more closely. The procedure can improve depth perception, single vision, and appearance. Both children and adults undergo this surgery depending on the cause and timing of misalignment.

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What Is Eye Muscle Surgery?

Eye muscle surgery is a procedure that adjusts the position or strength of muscles that move the eyes. It is commonly used to treat strabismus, where the eyes do not point in the same direction. By tightening or loosening specific muscles, surgeons help the eyes line up more closely. The procedure can improve depth perception, single vision, and appearance. Both children and adults undergo this surgery depending on the cause and timing of misalignment.

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Why Is Eye Muscle Surgery Performed?

The main aim is to improve alignment so both eyes point at the same target. Misalignment can cause double vision, eye strain, and problems with reading or driving. In children, long-standing strabismus can prevent one eye from developing strong sight. Surgery gives the visual system a better chance to work together. It is usually part of a larger plan that can include glasses, patches, or exercises.

What Happens During Eye Muscle Surgery?

The operation follows several steps:

  • Anesthesia keeps the patient relaxed and comfortable.
  • The surgeon reaches the muscle through the white part of the eye.
  • The muscle is either moved back (recession) or shortened (resection).
  • Fine stitches hold the new position in place.
  • Some adults receive adjustable sutures for small changes after waking.

What Is Recovery Like After Eye Muscle Surgery?

Redness and soreness are common for the first few days. Many people notice improvement in alignment soon after the procedure, though final results settle over weeks. Eye drops or ointments help with comfort and healing. Activity limits are usually modest, such as avoiding swimming or rubbing the eyes for a short time. Follow-up visits check alignment and decide whether any further steps are needed.

How Do Surgeons Plan Eye Muscle Surgery?

Planning starts with measurements from alignment testing at both distance and near, since the angle of a turn can change depending on where someone is looking. Doctors also check how each eye moves in all directions to spot patterns that hint at specific muscle overaction or weakness. In some cases, prism measurements are repeated on different days to confirm the numbers are stable. Age, symptoms, and how long the misalignment has been present also shape the plan. The goal is to choose muscle adjustments that improve alignment while keeping movement as balanced as possible.

Frequently Asked Questions About Eye Muscle Surgery

Is the surgery done on both eyes?

Sometimes both eyes are treated, even if one appears more turned, because this leads to better balance. The surgical plan depends on measurements from the exam. Surgeons explain which muscles will be adjusted. Each case is handled individually.

Can strabismus return after surgery?

Alignment can drift over time, especially in growing children. Some people need more than one procedure over a lifetime. Regular follow-up visits track changes. Early detection of drift gives the best chance for fine-tuning.

Will surgery fix double vision right away?

Some people notice immediate improvement, while others need time for the brain to adapt. Prism glasses or exercises sometimes help during this period. The final result depends on how long double vision has been present. Doctors discuss expectations in detail before surgery.

How long before normal activities resume?

Most daily tasks resume within a few days, aside from vigorous play, swimming, or heavy lifting. Reading and screen time return as comfort allows. Redness often lingers longer than soreness. The care team gives clear guidance at each visit.

References

Strabismus in Children. American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/strabismus-in-children. Accessed March 20, 2026.

What Is Adult Strabismus? American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/what-is-strabismus. Accessed March 20, 2026.

Adult Strabismus Surgery. American Academy of Ophthalmology. https://www.aao.org/Assets/503b785a-2c98-414f-a4d8-7263acb7c3bb/636299498532670000/aao-adult-strabismus-surgery-2017-fi. Accessed March 20, 2026.

Strabismus Surgery Complications. EyeWiki. https://eyewiki.aao.org/Strabismus_Surgery_Complications. Accessed March 20, 2026.

Anesthesia in Strabismus Surgery. EyeWiki. https://eyewiki.aao.org/Anesthesia_in_Strabismus_Surgery. Accessed March 20, 2026.