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Iris Fixation via External Pentagram Suturing
Published on: May 5, 2022
Suture fixation technique for a single-piece foldable closed-loop intraocular lens.
Chang Hyun Park1, Sung Jin Lee
1Department of Ophthalmology, Soonchunhyang University Hospital, Seoul, Korea.
Korean Journal of Ophthalmology : KJO
|December 20, 2008
Summary
A new suture fixation technique for the C-flex intraocular lens (IOL) offers secure placement and encouraging clinical outcomes. This method enhances IOL stability through unique haptic design and broad tissue contact.
Area of Science:
- Ophthalmology
- Surgical Techniques
Background:
- Intraocular lens (IOL) implantation is a common procedure in cataract surgery.
- Ensuring IOL stability and proper positioning is crucial for optimal visual outcomes.
- Foldable acrylic IOLs, such as the C-flex, offer advantages in insertion but require secure fixation.
Purpose of the Study:
- To describe a novel suture fixation technique for a single-piece foldable acrylic closed-loop intraocular lens (C-flex, Rayner).
- To evaluate the stability and clinical outcomes of this new surgical approach.
Main Methods:
- An experimental model was used to analyze the stability of acrylic haptics, confirming stability with two-point fixation.
- The described suture fixation technique was performed in a series of seven patients.
Main Results:
- The C-flex IOL's unique haptic design facilitates easy and secure suture fixation.
- Initial clinical outcomes in the seven patients were encouraging, suggesting the technique's efficacy.
Conclusions:
- The described suture fixation technique, combined with the C-flex IOL's design, potentially enhances IOL stabilization.
- The broad arc of distal haptic-tissue contact may contribute to improved stability beyond suture fixation alone.

