안내후방콘택트렌즈 삽입술 후 장기적 위치 변화
Long-Term Changes in Tilt, Decentration and Anterior Chamber Depth After Implantable Collamer Lens Insertion
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목적: 안내후방콘택트렌즈 삽입 1년 후의 경사도, 중심이탈 및 전방깊이를 측정하여 술후 렌즈의 위치가 안정적으로 유지되는지 평가해 보았다. 대상과 방법: 안내후방콘택트렌즈 삽입술을 시행한 고도근시 환자 8명(16안)에서 샤임플러그 카메라를 이용하여 수술 1년 후까지의 경 사도, 중심이탈, 전방깊이를 측정하여 비교하였다. 결과: 삽입 후 1주, 1개월, 6개월 및 1년의 경사도는 1.90 ± 1.23°, 1.75 ± 0.80°, 1.64 ± 0.86° 및 2.08 ± 1.33° (p=0.36)로, 중심이탈은 0.04 ± 0.01 mm, 0.03 ± 0.01 mm, 0.03 ± 0.02 mm 및 0.04 ± 0.02 mm (p=0.59)였다. 전방깊이는 술 전 2.85 ± 0.26 mm에서 수술 1주 후, 1개월, 6개월, 1년 후 2.17 ± 0.39 mm, 2.06 ± 0.31 mm, 2.06 ± 0.34 mm, 2.04 ± 0.35 mm로 술 전보다 감소했으나(p=0.02), 술후의 유의한 차이는 없었다(p=0.08). 결론: 안내후방콘택트렌즈 삽입술 후의 전방깊이는 감소하지만 술후 장기적으로 변화 없으며, 렌즈의 위치는 유의한 경사도와 중심이 탈 없이 안정적으로 유지된다.
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 ± 1.23°, 1.75 ± 0.80°, 1.64 ± 0.86°, 2.08 ± 1.33° (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.
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