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What Is the Success Rate of Scleral Buckling for Retinal Detachment?

Scleral buckling is a time-tested surgical procedure used to repair rhegmatogenous retinal detachments. Clinical studies consistently show a high anatomical success rate.

Primary Success Rate - Approximately 85% to 90% of detachments are successfully reattached with a single scleral buckle surgery.

Final Success Rate - If the first surgery fails (usually due to scar tissue formation known as PVR), a secondary procedure can raise the final reattachment rate to 95% to 98%. While newer techniques like vitrectomy exist, the buckle remains the preferred choice for younger, phakic (natural lens) patients because it carries a lower risk of causing cataracts.

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What Is the Success Rate of Scleral Buckling for Retinal Detachment?

Scleral buckling is a time-tested surgical procedure used to repair rhegmatogenous retinal detachments. Clinical studies consistently show a high anatomical success rate.

Primary Success Rate - Approximately 85% to 90% of detachments are successfully reattached with a single scleral buckle surgery.

Final Success Rate - If the first surgery fails (usually due to scar tissue formation known as PVR), a secondary procedure can raise the final reattachment rate to 95% to 98%. While newer techniques like vitrectomy exist, the buckle remains the preferred choice for younger, phakic (natural lens) patients because it carries a lower risk of causing cataracts.

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How It Works: The "Belt" Concept

The procedure works by altering the physics of the eye rather than entering it. A flexible silicone band (the buckle) is sewn onto the outer white wall of the eye (sclera). This band is tightened like a belt, which creates an indentation in the eye wall. This indentation pushes the wall inward to meet the detached retina, effectively closing the tear and allowing the retinal pump to drain the fluid naturally.

The "Myopic Shift" Side Effect

Because the buckle works by squeezing the eye, it slightly changes the shape of the globe. By tightening the circumference, the eye often becomes longer (axial elongation). Anatomically, a longer eye is more nearsighted. Data shows that patients typically experience a myopic shift of roughly -1.00 to -2.75 Diopters after surgery. This means you will almost certainly need a new, stronger prescription for distance glasses once the eye heals.

Visual Recovery: Macula-On vs. Macula-Off

Structural success (the retina is flat) does not always equal functional success (20/20 vision). The visual outcome depends heavily on the status of the macula (center of vision) before surgery.

Macula-On (Center attached) - If surgery is performed before the detachment hits the center, 90% of patients maintain their pre-surgical vision.

Macula-Off (Center detached) - If the center was detached, only 40% to 60% of patients recover reading-level vision (20/40 or better), even after a perfect surgery.

Complications: Double Vision (Diplopia)

Because the silicone band is placed under the eye muscles, it can sometimes restrict their movement. Approximately 5% to 20% of patients experience double vision immediately after surgery. Fortunately, this is usually temporary. In most cases, the double vision resolves on its own within 3 to 4 months as the muscles adapt to the buckle.

FAQs on Scleral Buckling

Is the buckle permanent?

Yes. The silicone band is designed to stay on the eye forever. It is usually not removed unless it causes a specific problem, such as infection or extrusion (poking through the skin), which occurs in less than 2% of cases.

Can I feel it?

Generally, no. The buckle is located far back behind the eyelids and muscles. You cannot see it in the mirror, and once the initial inflammation heals, you cannot feel it.

Why not just do a vitrectomy?

Vitrectomy (removing the jelly) almost guarantees a rapidly progressing cataract. For a 30-year-old patient, preserving the natural lens is a priority, making the buckle the superior statistical choice.

When to See Your Eye Doctor

Pain is normal for the first few days, but it should improve. If you experience "increasing pain" (pain that gets worse day by day) or a sudden drop in vision ("black curtain returning"), contact your surgeon immediately. These are signs of a recurrent detachment or an infection of the buckle element.

References

https://www.asrs.org/patients/retinal-diseases/26/scleral-buckle https://eyewiki.aao.org/Scleral_Buckling https://pubmed.ncbi.nlm.nih.gov/11790628/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6611933/