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Related Experiment Video

Updated: May 31, 2026

Iris Fixation via External Pentagram Suturing

Iris Fixation via External Pentagram Suturing

Published on: May 5, 2022

Sulcus Transscleral Intraocular Lens Suture Fixation through Small Scleral Tunnel Incision.

Wenjie Wu¹, Qing Li, Duan Yan

¹Fujian Provincial Hospital, Fuzhou 350001, China. wuwenjie1740@yahoo.com.cn

Eye Science

|June 22, 2011

Summary

Sulcus transscleral intraocular lens suture fixation is a safe and effective technique for eyes with posterior capsule defects. This method offers improved visual acuity and minimal complications for secondary lens fixation.

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Area of Science:

Ophthalmology
Surgical Techniques
Intraocular Lens Implantation

Background:

Posterior capsule defects and insufficient zonular support pose challenges in cataract surgery.
Secondary intraocular lens (IOL) fixation is often required in such cases.

Purpose of the Study:

To evaluate the clinical efficiency and safety of sulcus transscleral IOL suture fixation.
To assess this technique in eyes with posterior capsule defects or insufficient zonular support.

Main Methods:

A cohort of 39 eyes with severe posterior capsule defects or zonular damage was studied.
Sulcus transscleral IOL suture fixation was performed using a small scleral tunnel incision and a puncture needle-guided external approach.
A "one- or two-point fixation" method was employed.

Main Results:

The mean follow-up period was 12.1 months.
Best-corrected visual acuity of 20/40 or better was achieved in 87.17% of eyes (34 eyes).
No intraoperative or postoperative complications like hemorrhage, retinal detachment, or IOL tilt/decentration were observed.

Conclusions:

Sulcus transscleral IOL suture fixation is easy to master and reduces operative time.
The technique is effective for primary IOL fixation in eyes with compromised posterior capsules or zonules.
It is a safe and efficient option for secondary IOL fixation.