전방깊이에 대한 수정체 두께의 비율이 ICL 삽입 후 Vault에 미치는 영향
The Effect of Lens Thickness to Anterior Chamber Depth on the Vault after ICL Implantation
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목적: 전방깊이에 대한 수정체두께의 비율이 ICL 삽입술 후 vault에 미치는 영향을 알아보고자 하였다. 대상과 방법: ICL 삽입술을 시행 받은 130명(130안)에서 술 전 전방깊이에 대한 수정체두께 비율과 전안부 빛간섭단층촬영계로 측정한vault 값과의 상관관계를 분석하였다. 결과: Vault는 0.58 mm ± 0.23이었으며 이 중 8안(6.15%)은 낮은 vault, 93안(71.53%)은 이상적인 vault, 29안(29.31%)은 높은 vault를보였다. 낮은 vault, 이상적인 vault, 높은 vault 군에서 전방깊이에 대한 수정체두께 비율은 각각 1.04 mm ± 0.11, 0.96 mm ± 0.09,0.90 mm ± 0.09로 유의한 차이가 있었다(p＜0.01). 전방깊이에 대한 수정체두께 비율은 vault와 유의한 상관관계를(r=-0.4718; p ＜0.01) 보였으며 다중회귀 분석에서도 유의한 상관관계를 보였다(p＜0.01). 결론: 술 후 vault 값은 전방깊이에 대한 수정체두께비율이 클수록 낮아진다. 이러한 사실을 고려하여 ICL 크기를 정한다면 더욱 정확한수술 후 vault를 얻을 수 있을 것이다.
Abstract
Purpose: To evaluate the crystalline lens thickness/anterior chamber depth (CLT/ACD) ratio as a preoperative factor that affects the vault after implantable contact lens (ICL) implantation. Methods: A total of 130 eyes of 130 patients who received bilateral ICL implantation were included in the present study. The preoperative CLT/ACD ratio was analyzed to determine if the patients had any correlation with postoperative vault by Visante optical coherence tomography (OCT). Results: The mean vault was 0.58 mm ± 0.23 at postoperative 2 months. Eight eyes (6.15%) had low vault, 93 eyes (71.53%) had ideal vault and 29 eyes (29.31%) had high vault. The CLT/ACD ratios were 1.04 mm ± 0.11, 0.96 mm ± 0.09and 0.90 mm ± 0.09 in the low vault group, ideal vault group and high vault group, respectively (p < 0.01). The CLT/ACD ratio showed statistically significant correlations with postoperative vault in univariate analysis (r = -0.4718; p < 0.01) and in multivariate analysis (p < 0.01). Conclusions: Vaults after ICL implantation have a negative correlation with the preoperative CLT/ACD ratio. The results from the present study may improve the prediction of postoperative vault after ICL implantation.
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