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Lateral canthal tendon suspension using the carbon dioxide laser. A modified technique
1Department of Ophthalmology, University of Oklahoma Health Science Center, Oklahoma City, USA.
Summary
The modified tarsal strip procedure using the carbon dioxide (CO2) laser effectively treats lower eyelid ectropion. This technique preserves the lateral canthal angle and prevents complications, offering an improved surgical option.
Area of Science:
- Ophthalmology
- Oculoplastic Surgery
Background:
- The tarsal strip procedure is a standard surgical technique for correcting lower eyelid ectropion.
- Lateral canthal tendon laxity is a common cause of lower eyelid ectropion.
Purpose of the Study:
- To evaluate the efficacy and safety of an improved tarsal strip procedure utilizing a carbon dioxide (CO2) laser.
- To assess the benefits of CO2 laser use in lateral canthotomy for ectropion repair.
Main Methods:
- A modified tarsal strip procedure incorporating CO2 laser for lateral canthotomy was performed on 31 patients (60 eyelids).
- Postoperative follow-up included subjective assessment of symptom resolution and active monitoring for complications like epithelial inclusion cysts.
Main Results:
- Symptomatic relief was achieved in 86% of patients, with improvement in an additional 7%.
- An average follow-up of 12 months revealed no observed complications, including epithelial inclusions.
- Only two patients required subsequent surgical intervention.
Conclusions:
- The CO2 laser-assisted tarsal strip procedure offers advantages over the traditional method, including enhanced visualization and dissection.
- This technique preserves the lateral canthal angle and avoids conjunctival mucosa violation, preventing epithelial inclusions.
- The modified procedure demonstrates a high success rate and favorable safety profile for lower eyelid ectropion correction.