J Korean Ophthalmol Soc > Volume 52(2); 2011 > Article
Journal of the Korean Ophthalmological Society 2011;52(2):157-162.
DOI: https://doi.org/10.3341/jkos.2011.52.2.157    Published online February 15, 2011.
Long-Term Changes in Tilt, Decentration and Anterior Chamber Depth After Implantable Collamer Lens Insertion.
Yeon Woong Chung, Yong Soo Byun, Sung Kun Chung
Department of Ophthalmology and Visual Science, The Catholic University of Korea School of Medicine, Seoul, Korea. eyedoc@catholic.ac.kr
안내후방콘택트렌즈 삽입술 후 장기적 위치 변화
정연웅⋅변용수⋅정성근
Department of Ophthalmology and Visual Science, The Catholic University of Korea School of Medicine, Seoul, Korea
Abstract
PURPOSE
To evaluate the stability of implantable collamer lens (ICL, Staar Surgical AG, Niau, Switzerland) by comparing changes of tilt, decentration and anteroir chamber depth after ICL implantation during 1 year. METHODS: The results of 8 high myopic patients (16 eyes) that had received ICL implantation were retrospectively studied. Tilt and decentration of ICL were measured using an anterior eye segment analysis system (Scheimpflug camera, EAS-1000, Nidek, Japan). Anterior chamber depth was measured in both eyes preoperatively and postoperatively by Scheimpflug camera. The follow-up period was 1 year. RESULTS: Tilt was 1.90 +/- 1.23degrees, 1.75 +/- 0.80degrees, 1.64 +/- 0.86degrees, 2.08 +/- 1.33degrees (p = 0.36) and decentration were 0.04 +/- 0.01 mm, 0.03 +/- 0.01 mm, 0.03 +/- 0.02 mm, 0.04 +/- 0.02 mm (p = 0.59) at 1 week, 1 month, 6 months and 1 year respectively. Tilt and decentration showed no significant change after ICL implantation. The average anterior chamber depth was 2.85 +/- 0.26 mm preoperatively, and 2.17 +/- 0.39 mm, 2.06 +/- 0.31 mm, 2.06 +/- 0.34 mm, 2.04 +/- 0.35 mm at 1 week, 1 month, 6 months and 1 year respectively. Anterior chamber depth became narrow after ICL implantation (p = 0.02), but showed no significant narrowing postoperatively (p = 0.08). CONCLUSIONS: The IOL position remained stable, with no significant changes for an extended period of tilt, decentration, or anterior chamber depth after ICL implantation.
Key Words: Anterior chamber depth;Decentration;Implantable collamer lens;Tilt


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