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| 1 | Efficacy,predictability and safety of small incision lenticule extraction(SMILE)显示文摘Background:The purpose of this case series is to report the one-year outcomes of small incision lenticule extraction(SMILE)using the VisuMax®femtosecond laser.Methods:Two hundred and six patients were recruited for this retrospective,single center study at TRSC International LASIK Center in Bangkok,Thailand.Patients underwent SMILE,whereby an intrastromal lenticule was cut using a femtosecond laser and then manually extracted without the need for flap creation.Outcome measures included refraction,visual acuity and contrast sensitivity evaluation.Patients were treated and followed for one year.Results:SMILE for the correction of low to high myopia was performed on 347 eyes of 206 patients.The mean preoperative spherical equivalent was−4.96±1.88 diopters(D).On the first day following surgery,for eyes with a plano target refraction(99.14%of all eyes),uncorrected distance visual acuity(UDVA)was 20/20 or better in 90%of eyes.At the one week postoperative exam,the mean spherical equivalent was 0.01±0.36 D and UDVA was 20/20 or better in 84%of eyes.After one year follow-up,no eyes showed loss of 2 or more lines of visual acuity and 31%of eyes gained one or more lines.The photopic contrast sensitivity of SMILE treated eyes at 12 and 18 cycles per degree(cpd)improved from 1.59 and 0.94 preoperatively to 1.6 and 0.98,respectively,after one year.Conclusions:In this series,SMILE using the VisuMax®femtosecond laser demonstrated that after one year it is an effective,predictable and safe minimally invasive corneal refractive procedure. | Ekktet Chansue Morakot Tanehsakdi Sukanda Swasdibutra Colm McAlinden | 2015 | Eye and Vision2015，2，1： | 16 |
| 2 | Femtosecond laser cataract surgery显示文摘Femtosecond laser(FSL)cataract surgery is in its infancy but is rapidly gaining popularity due to the improved consistency and predictability for corneal incisions and anterior capsulorhexis.It enables subsequently less phacoemulsification energy and time to be employed,which has gains in terms of reduced corneal oedema.In addition,the FSL allows better circularity of the anterior capsulotomy,capsule overlap,intraocular lens(IOL)placement and centration of the IOL.These advantages have resulted in improved visual and refractive outcomes in the short term.Complication rates are low which reduce with surgeon experience.This review article focuses on the Alcon LenSx system. | Zoltan Z.Nagy Colm McAlinden | 2015 | Eye and Vision2015，2，1： | 8 |
| 3 | 飞秒激光辅助白内障手术的研究进展显示文摘随着老龄化的加剧,白内障手术是迄今为止最常见的外科手术[1],超过了其他不同亚专业的常规手术,如髋膝关节置换术、阑尾切除术、扁桃体切除术和胆囊切除术等。近年来,白内障手术已将其重点从单纯视觉恢复转移到屈光功能的改善,不仅可以帮助患者提高视觉清晰度,还可以尽可能地改变患者眼睛的屈光度。越来越多的新技术运用促进了眼科学的发展,其中包括激光技术[2?3]。眼科激光拥有一个特定的固定波长、脉冲模式、能量、持续时间、重复率和光点大小,能够瞄准眼睛内的任何组织结构。许多激光器通过分子振动来实现,引起局部热效应,如氩激光[4]。自从NAGY等[5]于2009年将飞秒激光引入白内障手术以来,飞秒激光辅助白内障手术(LCS)逐渐流行,其拥有更好的前囊膜切开,囊袋重叠,人工晶状体(IOL)放置和中心定位,同时还可以运用飞秒激光提前对晶状体进行核裂解,减少晶状体乳化所需要的超声能量和时间,从而减少了角膜水肿等优点,可使其在手术中最大限度地保护眼内外组织结构。较传统超声乳化白内障吸出术具有明显的优点,能提高手术的安全性,并可以获得更好的裸眼视力恢复。使用LCS可以提高角膜和晶状体囊膜切口的准确性,有利于切口闭合的密封性,减少感染的发生;LCS较传统超声乳化白内障手术可有效缩短手术时间[6],减少传统超声能量对眼睛的危害[7]和对周围结果的机械性损伤,减轻周围组织的水肿和炎性反应[8]。本文将对LCS的优缺点进行综述。 | 梅玮峰 陈为民 | 2018 | 现代医药卫生2018，34，7： | 1 |
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