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Comparison of two techniques in posterior lens dislocations: Scleral suture fixation vs. modified Yamane intrascleral
O Yalcinbayir1, R Avci2, G Ucan Gunduz3
1Department of Ophthalmology, Bursa Uludag University School of Medicine, Bursa, Turkey; Bursa Retina Eye Hospital, 16130 Bursa, Turkey.
Purpose:
To compare the use of Yamane flanged intrascleral haptic fixation and scleral suture fixation (SSF) techniques in combination with pars plana vitrectomy (PPV) for treatment of posterior lens dislocations.
Methods:
Patients who underwent PPV and scleral fixated IOL implantation due to subluxation/luxation of the crystalline lens/intraocular lens (IOL) were included in this retrospective study. The Yamane group included patients who underwent Yamane flanged intrascleral haptic fixation technique, while the SSF group consisted of patients who underwent conventional SSF. All patients underwent comprehensive ophthalmologic examinations preoperatively and postoperatively. Intraoperative and postoperative complications were recorded.
Results:
The Yamane group comprised of 39 eyes of 39 patients, and the SSF group included 35 eyes of 35 patients. Postoperative complications included hyphema (Yamane group: 2/39 (5.1%); SSF group: 0/35 (0%)) IOL decentration (Yamane group: 5/39 (12.8%); SSF group: 0/35 (0%)), corneal edema (Yamane group: 4/39 (10.2%); SSF group: 0/35 (0%)) cystoid macular edema (CME) (Yamane group: 1/39 (2.5%); SSF group: 3/35 (8.5%)) and retinal detachment (Yamane group: 1/39 (2.5%); SSF group: 1/35 (28.5%). The mean surgery time was significantly lower in the Yamane group compared with the SSF group (P<0.001). No cases of hypotony, conjunctival erosion, haptic exposure or endophthalmitis were encountered throughout follow-up.
Conclusion:
SSF remains a safe and effective technique for management of posterior lens dislocations. The Yamane intrascleral IOL fixation technique is an effective alternative to conventional SSF, which has a relatively steep learning curve. Postoperative complications, including IOL tilt and decentration, may be experienced in the initial cases.
