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Cyclodialysis shows ‘remarkably high’ success across 120 years

Healio Optometry5d ago1 min read

WASHINGTON — Cyclodialysis performed with modern ab interno approaches should not be discounted as a treatment option for glaucoma, according to a speaker.“The original surgery was abandoned when trabeculectomy and glaucoma drainage devices came in, in part because the results were not always predictable,” Robert L. Stamper, MD, ABO, told Healio at the American Society of Cataract and Refractive surgery meeting. “But with newer techniques — perhaps going from ab interno using structures or materials to keep the cyclodialysis cleft open — I think we may be able to get more reproducible

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AI Summary

Quick Take

At the ASCRS meeting, Robert L. Stamper, MD, highlighted that cyclodialysis is undergoing a clinical renaissance through modern ab interno techniques. By utilizing newer materials to keep the cyclodialysis cleft open, surgeons may finally achieve the reproducible intraocular pressure lowering that the original 120-year-old procedure lacked.

Why It Matters

While cyclodialysis was largely abandoned in favor of trabeculectomy and drainage devices due to unpredictable results, it remains a potent physiological method for enhancing uveoscleral outflow. The shift toward ab interno approaches reflects a broader trend in glaucoma surgery to find less invasive, more stable alternatives to traditional filtering blebs. If modern stenting materials can prevent the spontaneous cleft closure that plagued historical versions, this procedure could become a staple in the MIGS armamentarium.

Key Details

Cyclodialysis was historically marginalized because the results were often unpredictable and the clefts could close spontaneously.
Modern iterations utilize an ab interno approach, which is significantly less invasive than the original ab externo surgery.
The use of internal structures or biocompatible materials to maintain the cyclodialysis cleft is the key advancement intended to ensure reproducibility.
The procedure is being revisited as a viable option for intraocular pressure management alongside or instead of traditional drainage devices.

Practice Implications

Surgeons should keep an eye on emerging ab interno cyclodialysis devices that aim to 'stent' the uveoscleral space. For clinicians, this highlights the importance of understanding uveoscleral outflow pathways as a distinct surgical target from the trabecular meshwork, especially in patients who are not ideal candidates for traditional filtering surgery.

Who's Affected

Glaucoma SpecialistsOphthalmic SurgeonsCataract Surgeons

What's Next

Future developments will likely focus on the specific materials and implants used to keep the cyclodialysis cleft patent. Clinical trials comparing these modernized ab interno techniques to existing MIGS procedures will be necessary to establish long-term efficacy and safety profiles.

Evidence StrengthPreliminary

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