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- 주제어 : ICL (Implantable Collamer Lens) (검색결과 3 건)
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광학부 중앙원공이 있는 새로운 안내렌즈와 기존 안내렌즈의 임상결과 비교
손지성,김재우,임태형,최기용,조범진 대한안과학회 2015 대한안과학회지 Vol.56 No.9
목적: 고도근시환자에서의 안내렌즈 삽입술 시, 광학부 중앙 원공이 있는 새로운 AQUA ICL?? (V4C)과 기존의 implantable collamer lens (ICL, V4B)의 임상결과를 비교하고자 하였다. 대상과 방법: ICL (V4B)을 삽입한 20안, AQUA ICL?? (V4C)을 삽입한 22안을 대상으로 수술 전, 후 시력, 구면렌즈대응치, 안압, 수술후 vault를 측정하였고 OQAS?潁? 이용한 시력의 질을 비교하였다. 결과: 수술 3개월 후 측정한 시력(logMAR)과 구면렌즈대응치는 V4B군에서 0.06 ± 0.09, -0.26 ± 0.17D, V4C군에서 0.03 ± 0.03,-0.23 ± 0.19D로 두 군 간 유의한 차이가 없었다(p>0.05). 수술 전, 후의 안압은 두 군 모두 수술 후 6시간까지는 수술 전에 비해 상승되어 있었고(p<0.05) 수술 1일 후부터 3개월 후까지는 수술 전에 비해 유의한 변화가 없었다(p>0.05). 수술 6시간 후 측정한 안압은 V4C군이 V4B군에 비해 유의하게 낮았다(p=0.001). 수술 3개월 후의 objective scattering index (OSI)는 V4B군과 V4C군에서 각각 1.29 ± 0.90, 1.36 ± 0.68이었고 modulation transfer function (MTF) cut off value는 각각 29.62 ± 11.31 c/deg, 29.61 ± 9.56 c/deg, Sterhl ratio는 각각 0.18 ± 0.07, 0.17 ± 0.04로 두 군 간 유의한 차이가 없었다(p>0.05). 결론: AQUA ICL?? (V4C)은 효과적이며 편리하고 안전한 시력교정 방법으로 생각되며, 술 후 초기 안압 변동에 있어서는 기존의 ICL (V4B)보다 더 나은 결과를 보인다. Purpose: To compare the clinical outcomes between AQUA ICL?? (V4C) and conventional implantable collamer lens (ICL, V4B)in patients with high myopia. Methods: We compared preoperative and postoperative visual acuities, spherical equivalent, intraocular pressure, postoperative vault and visual quality assessed using optical quality analyzing system (OQAS??) between 20 eyes implanted with ICL (V4B) and 22 eyes implanted with AQUA ICL?? (V4C). Results: Visual acuity (log MAR) and spherical equivalent at postoperative 3 months were 0.06 ± 0.09 and -0.26 ± 0.17 D in the V4B group and 0.03 ± 0.03 and -0.23 ± 0.19 D in the V4C group, respectively. There was no statistical difference in visual acuity and spherical equivalent between the 2 groups (p > 0.05). Postoperative intraocular pressure (IOP) elevated significantly in both groups until 6 hours after the operation (p < 0.05) compared with preoperative IOP. No significant IOP elevation was observed from the first postoperative day to postoperative 3 months (p > 0.05). V4C resulted in lower IOP than V4B 6 hours postoperatively. In ICL (V4B) and AQUA ICL?? (V4C) groups, the objective scattering index (OSI) was 1.29 ± 0.90 and 1.36 ± 0.68, modulation transfer function (MTF) cut off value was 29.62 ± 11.31 c/deg and 29.61 ± 9.56 c/deg and Sterhl ratio was 0.18 ± 0.07 and 0.17± 0.04, respectively, 3 months postoperatively. None of these values were significantly different between the 2 groups. Conclusions: AQUA ICL?? (V4C) implantation is an effective, convenient and safe surgery for myopia correction and yields better outcome than ICL (V4B) in terms of early postoperative IOP.
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조양경,이현수,김만수,Yang Kyeung Cho,Hyun Soo Lee,Man Soo Kim 대한안과학회 2009 대한안과학회지 Vol.50 No.2
Purpose: To evaluate the stability of corneal endothelial cells after ICL (implantable contact lens) implantation. Methods: Retrospective review of 50 eyes were subjected to implantation of ICL by one surgeon from December 2003 to April 2008. During the follow-up period, the number of eyes with regular follow-up decreased and remained at 18 eyes at the time of a three-year follow-up. Patients were examined preoperatively and at one, three, and six months and one, two, and three years postoperatively. The main outcome measures were the change in corneal endothelial cell density (CD), coefficient of variation (CV), and hexagonality (HA). This analysis was done in all eyes and especially in the 18 eyes with regular follow-up for three years and 11 eyes with changes in CV and HA corresponding to the normal endothelial wound healing process for three years. Results: Corneal endothelial CD, CV, and HA were not significantly changed compared with their preoperative values throughout the three-year follow-up period for all eyes. In the early postoperative period, there was a slight decrease in CD, but it increased after the second year of follow-up (range: -3.12%~+2.84%); there was a slight increase in CV, but it decreased after the six-month follow-up (-6.63%~+5.56%); and there was a slight decrease in HA, but it increased after the three-month follow-up (range: -0.88%~10.64%). Similarly, there were no significant changes in corneal endothelial cell density in the 18 eyes with regular follow-up or the 11 eyes with changes in CV and HA corresponding to normal endothelial wound healing process for three years. Conclusions: The results show stability of corneal endothelial cells after ICL implantation.
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난시교정용 후방 유수정체 안내렌즈 삽입술의 단기간 임상성적
윤재문,문상정,이경헌 대한안과학회 2009 대한안과학회지 Vol.50 No.6
Purpose: To assess the efficacy of the Toric Implantable Collamer Lens (Toric ICL) to treat moderate to high myopic astigmatism. Methods: Toric ICL was implanted in 77 eyes of 40 patients with myopia (spherical equivalent [SE] between 3.5 and 18.5 diopters [D]) and astigmatism between 1 and 6 D. The patients were followed up for at least 3 months. Uncorrected visual acuity (UCVA), refraction, best spectacle-corrected visual acuity (BSCVA), adverse events, and postoperative complications were evaluated. Results: At 3months postoperatively, the proportion of eyes with 1.0 or better UCVA (56 eyes out of 77 eyes, 72.7%) was significantly greater than the proportion of eyes with preoperative 1.0 or better BSCVA (38 eyes out of 77 eyes, 49.4%). The mean manifest refractive cylinder dropped from 2.78D (±1.05) at baseline to 0.35D (±0.34) postoperatively, an 87.4% decrease in astigmatism. Mean manifest refraction SE (MRSE) improved from -9.93D (±2.66) preoperatively to 0.15D (±0.33) postoperatively. A total of 96.1% of eyes were predicted accurately to within ±0.75D of predicted MRSE. Mean improvement in BSCVA was 0.79lines; there were no eyes that lost two lines of BSCVA after 3 months postoperatively. Conclusions: The results support the efficacy and predictability of Toric ICL implantation to treat moderate to high myopic astigmatism. 목적: 중등도 및 고도 근시와 난시 환자 치료에 난시교정용 후방 유수정체 안내렌즈(Toric Implantable Collamer Lens)의 유효성을 평가하고자 한다. 대상과 방법: -3.5D~-18.5D근시와 -1D~-6D난시로 Toric ICL 삽입술을 시행 받고 3개월 이상 경과관찰 가능하였던 40명 77안을 대상으로 나안 시력, 굴절력, 최대교정시력, 부작용 등을 후향적으로 살펴보았다. 결과: 술 후 3개월에 나안시력이 1.0 이상인 경우가 77안 중 56안(72.7%)으로 술 전 최대교정시력이 1.0 이상인 경우 77안 중 38안 (49.4%)보다 많았다. 난시는 술 전 평균 -2.78±1.05D, 술 후 3개월에 평균 -0.35±0.34D로 87.4% 감소하였다. 구면렌즈 대응치는 술 전 평균 -9.93±2.69D, 술 후 3개월에 평균 -0.15±0.33D로 호전되었다. 전체의 96.1%가 술 후 예측 현성 굴절검사 구면렌즈 대응치 와 ±0.75D 이내의 정확도를 보였다. 최대교정시력은 평균 0.79줄의 증가를 보였고 2줄 이상의 시력감소를 보인 경우는 없었다. 결론: 난시교정용 후방 유수정체 안내렌즈 삽입술은 중등도 및 고도 근시와 난시 환자 치료에 효과적이며 예측 가능한 시술로 사료된다.
KCI
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