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What Is Lateral Rectus Recession?

Lateral rectus recession is a strabismus surgery that weakens the lateral rectus muscle, which pulls the eye outward. The surgeon detaches the muscle from its insertion and reattaches it farther back on the eye to reduce its pulling force. This can improve eye alignment and reduce symptoms such as eye turn, eyestrain, or double vision in selected patients. It may be performed on one eye or both eyes depending on the alignment pattern.

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What Is Lateral Rectus Recession?

Lateral rectus recession is a strabismus surgery that weakens the lateral rectus muscle, which pulls the eye outward. The surgeon detaches the muscle from its insertion and reattaches it farther back on the eye to reduce its pulling force. This can improve eye alignment and reduce symptoms such as eye turn, eyestrain, or double vision in selected patients. It may be performed on one eye or both eyes depending on the alignment pattern.

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Why Lateral Rectus Recession Is Done

This procedure is commonly used to treat exotropia, where one or both eyes drift outward. It may also be used in other alignment patterns where weakening the outward pull helps restore balance between the eye muscles. Surgery is typically considered when glasses, prisms, or vision therapy do not adequately control the deviation. The surgical plan is based on measured misalignment at distance and near and how well the eyes work together.

How the Surgery Weakens the Muscle

Recession changes the muscle's leverage by moving its attachment point posteriorly on the sclera. The amount of recession is measured in millimeters and chosen based on standard surgical tables and the patient's deviation size. Some surgeons use adjustable sutures in adults to fine-tune alignment shortly after surgery. The goal is a stable alignment in primary gaze while preserving comfortable eye movements.

Recovery and Results

Redness, tearing, and a scratchy feeling are common for several days, and mild discomfort can occur with eye movement. Vision may be blurry briefly from ointment or tearing, and some patients notice temporary double vision as the brain adapts to the new alignment. Many people return to normal activities within days, but swimming and eye rubbing are usually avoided for a short period. Alignment can continue to settle over weeks, so follow-up visits are important.

Risks and Possible Complications

Common issues include undercorrection or overcorrection, which may require additional monitoring or repeat surgery. Other risks include infection, scarring, and rare complications such as scleral perforation or a lost muscle. Some patients have persistent or new double vision, especially adults with long-standing misalignment. Urgent symptoms include severe pain, rapidly worsening swelling, thick discharge, or sudden vision loss.

FAQs on Lateral Rectus Recession

How long does lateral rectus recession take to heal?

Surface redness can last a few weeks, while comfort usually improves over several days. Alignment may continue to settle over several weeks as swelling resolves and the brain adapts. Your surgeon will schedule follow-ups to monitor healing and alignment.

Can lateral rectus recession be adjusted after surgery?

Sometimes. Adjustable sutures can allow fine-tuning shortly after surgery in selected patients, most commonly adults. If adjustable sutures are not used, changes later are usually managed with observation or additional treatment if needed.

Will you still need glasses after strabismus surgery?

Many people still need glasses for refractive error, and glasses may also help fine-tune alignment in some cases. Surgery changes muscle positioning but does not correct nearsightedness, farsightedness, or astigmatism. Your doctor may also recommend vision therapy or prism depending on symptoms.

Can the eye turn come back after lateral rectus recession?

Yes. Recurrence can happen, especially with large deviations or certain underlying conditions. Regular follow-up helps detect drift early, and treatment options can include glasses, prisms, therapy, or additional surgery depending on the cause.

References

8-Year Outcomes of Bilateral Lateral Rectus Recessions vs Unilateral Recess-Resect for Intermittent Exotropia (RCT follow-up). PubMed Central (PMC), National Library of Medicine. https://pmc.ncbi.nlm.nih.gov/articles/PMC10841051/. Date Accessed February 5, 2026.

Correlation between bilateral lateral rectus recession in intermittent exotropia and myopic progression. Scientific Reports (Nature Portfolio). https://www.nature.com/articles/s41598-023-34441-z. Date Accessed February 5, 2026.

Bilateral lateral rectus recession versus unilateral lateral rectus recession with medial rectus resection: 12-month outcome analysis. PubMed (National Library of Medicine). https://pubmed.ncbi.nlm.nih.gov/41341556/. Date Accessed February 5, 2026.

Impact of slanted lateral rectus recession on pediatric patients with intermittent exotropia. PubMed Central (PMC), National Library of Medicine. https://pmc.ncbi.nlm.nih.gov/articles/PMC12395670/. Date Accessed February 5, 2026.

Strabismus. StatPearls (NCBI Bookshelf, National Library of Medicine). https://www.ncbi.nlm.nih.gov/books/NBK560782/. Date Accessed February 5, 2026.