Background:To assess the clinical outcomes of the Visian Implantable Collamer Lens(ICL)with a central port throughout 7 years of follow-up.Methods:Eighty-four eyes of 52 patients were evaluated over a follow-up period...Background:To assess the clinical outcomes of the Visian Implantable Collamer Lens(ICL)with a central port throughout 7 years of follow-up.Methods:Eighty-four eyes of 52 patients were evaluated over a follow-up period of 7 years after V4c ICL implantation.Uncorrected(UDVA)and corrected(CDVA)distance visual acuities,refraction,intraocular pressure(IOP),endothelial cell density(ECD)and vault were analysed.Results:The mean postoperative UDVA(logMAR)was 0.04±0.11,0.13±0.19 and 0.17±0.23 at 1-,5-and 7-years,respectively(P<0.0001).The mean CDVA(logMAR)remains unchanged throughout a 7-year follow-up period(0.02±0.08 and 0.02±0.08,at 5-and 7-years,respectively,P=0.2).At all follow-up visits,more than 95%of the eyes achieved a CDVA of 20/25 or better and more than 85%a CDVA of 20/20.At the end of the follow-up(7 years),no eye lost more lines of CDVA,56 eyes(66.7%)and 28 eyes(33.3%)gained lines of CDVA.At 7-years,the spherical equivalent was−0.62±0.62 D.No significant increase in IOP(>20 mmHg or an increase higher than 5 mmHg)occurred in any case throughout the 7-year of follow-up.The loss in ECD from the preoperative baseline at the last follow-up visit was 2.6%.No intraoperative or postoperative complications or adverse events occurred during the follow-up period.Conclusions:The outcomes of this study show the long-term viability of the V4c ICL implantation as a surgical option for the correction of myopia.展开更多
基金supported in part by an unrestricted grant from STAAR Surgical to the Fernández-Vega Ophthalmological Institute.
文摘Background:To assess the clinical outcomes of the Visian Implantable Collamer Lens(ICL)with a central port throughout 7 years of follow-up.Methods:Eighty-four eyes of 52 patients were evaluated over a follow-up period of 7 years after V4c ICL implantation.Uncorrected(UDVA)and corrected(CDVA)distance visual acuities,refraction,intraocular pressure(IOP),endothelial cell density(ECD)and vault were analysed.Results:The mean postoperative UDVA(logMAR)was 0.04±0.11,0.13±0.19 and 0.17±0.23 at 1-,5-and 7-years,respectively(P<0.0001).The mean CDVA(logMAR)remains unchanged throughout a 7-year follow-up period(0.02±0.08 and 0.02±0.08,at 5-and 7-years,respectively,P=0.2).At all follow-up visits,more than 95%of the eyes achieved a CDVA of 20/25 or better and more than 85%a CDVA of 20/20.At the end of the follow-up(7 years),no eye lost more lines of CDVA,56 eyes(66.7%)and 28 eyes(33.3%)gained lines of CDVA.At 7-years,the spherical equivalent was−0.62±0.62 D.No significant increase in IOP(>20 mmHg or an increase higher than 5 mmHg)occurred in any case throughout the 7-year of follow-up.The loss in ECD from the preoperative baseline at the last follow-up visit was 2.6%.No intraoperative or postoperative complications or adverse events occurred during the follow-up period.Conclusions:The outcomes of this study show the long-term viability of the V4c ICL implantation as a surgical option for the correction of myopia.
