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What Is Lateral Rectus Resection?

Lateral rectus resection is a type of eye muscle surgery used to help straighten the eyes. It works by shortening and tightening the lateral rectus muscle, which pulls the eye outward. Doctors may recommend it for certain types of strabismus, where the eyes do not line up. The goal is better alignment, which can improve comfort and how the eyes work together. An eye surgeon plans the amount of tightening based on careful measurements before surgery.

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What Is Lateral Rectus Resection?

Lateral rectus resection is a type of eye muscle surgery used to help straighten the eyes. It works by shortening and tightening the lateral rectus muscle, which pulls the eye outward. Doctors may recommend it for certain types of strabismus, where the eyes do not line up. The goal is better alignment, which can improve comfort and how the eyes work together. An eye surgeon plans the amount of tightening based on careful measurements before surgery.

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Why Is Lateral Rectus Resection Done?

It is often used when an eye turns inward more than it should, such as in some cases of esotropia. Tightening the outer muscle can help rebalance the pull of the eye muscles so the eyes point the same direction. The procedure can be done on one eye or both, depending on the pattern of misalignment. Your surgeon chooses it based on how your eyes move and how large the turn is.

What Happens During the Surgery?

The surgery is usually done with numbing medicine and sedation or with general anesthesia, depending on age and the situation. The surgeon reaches the muscle through the thin tissue covering the white of the eye. They detach the muscle, remove a small section, and reattach it closer to the front to make it tighter. Some patients may have adjustable stitches so alignment can be fine-tuned soon after surgery.

Recovery and Aftercare Tips

It is normal to have redness, a scratchy feeling, and mild soreness for several days. Your doctor may prescribe antibiotic or anti-inflammatory drops to help healing. Most people can return to light activities quickly, but you may need to avoid swimming and eye makeup for a short time. Follow-up visits are important because alignment can keep changing as the eye heals.

Risks and Expected Results

Like any surgery, there is a risk of infection, bleeding, or scarring, but serious problems are uncommon. Some people end up a little overcorrected or undercorrected and may need more treatment. Temporary double vision can happen while the brain adjusts to the new alignment. Your surgeon will explain realistic goals, including whether glasses or other treatments are still needed.

FAQs on Lateral Rectus Resection

Is lateral rectus resection painful?

Most people feel irritation or soreness rather than sharp pain. Discomfort is usually strongest in the first day or two and improves with time. Your doctor can recommend safe pain relief if you need it.

How long does it take to heal?

Redness and swelling often improve over 1 to 2 weeks, but full healing can take longer. Eye alignment may keep settling for several weeks. Your follow-ups help track progress and catch issues early.

Will it fix double vision?

It can help if double vision is caused by eye misalignment, but results vary by person. Some people notice temporary double vision after surgery while the brain adapts. If double vision continues, your doctor may suggest prisms, therapy, or more treatment.

Can children have this surgery?

Yes, children commonly have strabismus surgery when alignment affects vision development or daily function. The timing depends on the type of strabismus and the child's exam findings. A pediatric eye specialist can explain the best plan for your child.

References

Strabismus Surgery. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/24488-strabismus-surgery. Updated November 29, 2022.

What Is Adult Strabismus? American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/what-is-strabismus. September 9, 2024.

The role of lateral rectus muscle resection for severe esotropia after medial rectus muscle myectomy in Graves' ophthalmopathy. National Library of Medicine. https://pubmed.ncbi.nlm.nih.gov/38809667/. January 2025.

Strabismus Surgery Complications. American Academy of Ophthalmology. https://eyewiki.org/Strabismus_Surgery_Complications. November 16, 2025.

Strabismus Surgery. Optometrists Network. https://www.optometrists.org/childrens-vision/a-guide-to-eye-turns/strabismus-crossed-eyes/strabismus-surgery/. n.d.