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Updated: Jul 16, 2026
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Ultrasound Cyclo Plasty in Eyes with Glaucoma
Published on: January 26, 2018
Endoscopic cyclophotocoagulation using iris hooks versus viscoelastic devices.
Malik Y Kahook1, Joel S Schuman, Robert J Noecker
1UPMC Eye Center, Eye and Ear Institute, University of Pittsburgh School of Medicine, Pennsylvania, USA.
Summary
Iris hooks offer a safer alternative to viscoelastic devices for iris elevation during endoscopic cyclophotocoagulation, potentially reducing postoperative intraocular pressure spikes.
Area of Science:
- Ophthalmology
- Surgical Technology
Background:
- Endoscopic cyclophotocoagulation (ECP) uses a diode laser to reduce intraocular pressure (IOP) by ablating ciliary body epithelium.
- Viscoelastic devices are commonly used during ECP to improve iris visualization and access to target tissues.
- Retained viscoelastic material can lead to postoperative IOP spikes, complicating patient recovery.
Purpose of the Study:
- To evaluate iris hooks as a potentially safer alternative to viscoelastic devices for iris elevation during ECP.
- To assess the efficacy and safety of iris hooks in minimizing complications like IOP spikes.
Main Methods:
- Comparison of iris hooks versus viscoelastic devices for iris elevation during ECP procedures.
- Monitoring of intraocular pressure and assessment of surgical field exposure.
Main Results:
- Iris hooks may provide adequate iris elevation for effective ECP.
- The use of iris hooks may reduce the risk of retained viscoelastic material and subsequent IOP spikes.
- Iris hooks show particular benefit in aphakic eyes or those with posterior capsule compromise.
Conclusions:
- Iris hooks represent a viable and potentially advantageous alternative to viscoelastic devices for iris elevation in ECP.
- This technique may enhance safety and improve outcomes by mitigating early postoperative IOP elevations.
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