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1.
目的虹膜夹型有晶状体眼人工晶状体(ICPIOL)植入术矫正高度近视的安全性、有效性及稳定性。方法对37例(61只眼)高度近视患者行虹膜夹型人工晶状体植入术。术前及术后分别检查裸眼视力、最佳矫正视力、屈光度、眼内压、角膜内皮细胞计数、前房深度以及满意度调查,分析其影响因素。结果 ICPIOL术后裸眼视力在术后各个时间点均提高,与术前比较差异有显著意义(P〈0.01);术后各个时间点的残余屈光度差异无显著性(P〉0.05)。在术后1年时,8只眼裸眼视力≥5.0(13.11%),36只眼≥4.7(59.02%);61只眼术后最佳矫正视力均达到或超过术前最佳矫正视力;满意度调查,不满意、满意、非常满意三项比例分别为1.6%、14.8%、83.6%。结论虹膜夹型人工晶状体植入术矫正高度近视安全有效。  相似文献   

2.
Yu AY  Wang QM  Xue AQ  Zhu SQ  Zheng LY  Su YF 《中华眼科杂志》2010,46(12):1095-1098
目的 研究有晶状体眼虹膜夹型人工晶状体(ICPIOL)矫治高度近视眼的长期安全性和有效性.方法 高度近视眼患者49例(86只眼),等效球镜度数(SE)(-15.33±3.81)D,植入ICPIOL.术后随访3年,观察手术前后的视力、屈光状态、眼压、角膜、前房、瞳孔、ICPIOL和晶状体、眼底情况,并采用单因素方差分析进行统计学比较.结果 与术前比较,术后1、2、3年的裸眼视力(UCVA)、最佳矫正视力(BCVA)和SE显著改善(F=513.68,20.88,827.65;P<0.01).术后3年时,UCVA≥0.5有85%,≥0.8有35%;BCVA未见下降,17%比术前提高1行,59%比术前提高≥2行;81%眼的实际屈光度数稳定在预期的±1.00 D,54%稳定在预期的±0.50 D.术后1、2、3年的角膜内皮细胞累积丢失率分别为3.60%、5.78%、7.74%.除了3只眼术中在抓持虹膜固定ICPIOL时有轻度虹膜脱色素,1只眼ICPIOL脚襻脱位重新手术固定,2只眼黄斑出血外,未见其他并发症发生.结论 ICPIOL矫治高度近视术后3年内安全、有效.  相似文献   

3.
目的 观察有晶状体眼前房型虹膜固定人工晶状体植入治疗高度近视的临床疗效.方法 对11例(17只眼)高度近视患者进行术前虹膜YAG激光周边切除,1周后接受有晶状体眼Verisyse前房虹膜固定型人工晶状体植入手术,观察术后的裸眼视力、最好矫正视力、眼压、角膜及前房内炎症变化情况.结果 11例(17只眼)均顺利在前房内植入虹膜固定的人工晶状体,其中1只眼术后第3天发现人工晶状体单侧脱位再次手术固定.术后所有患者视力较术前均增加,裸眼≤0.5者3只眼,>0.5者14只眼.16只眼眼压术后检查正常,1只眼术后眼压升高至25 mm Hg,局部加用0.5%噻吗心胺点眼,2 d后眼压恢复正常.术后所有患者角膜透明,无内皮水肿的情况.13只眼出现前房轻度闪辉,4只眼前房可见较多的炎性细胞,用药后很快控制.结论 高度近视患者有晶状体眼前房植入虹膜固定型人工晶状体是一种较好的矫正视力方法,但其远期疗效及并发症有待进一步观察.  相似文献   

4.
目的探讨有晶状体眼屈光性人工晶状体Phakic6植入术矫正高度近视的安全有效性。方法表面麻醉下对9例(18眼)高度近视(-12.00~-24.00D)患者行Phakic6植入术。手术前后检查术眼裸眼及矫正视力、眼压、Phakic6在眼内的位置、角膜内皮计数。结果经术后3~12月随访观察,术后所有术眼裸眼远、近视力均达到或高于术前最佳矫正视力;术眼眼压在正常范围;术眼角膜内皮计数均大于2500个·mm-2;除1例1眼出现了Phakic6前房内旋转,另1例1眼出现瞳孔轻度扩大并上移外,其余术眼Phakic6前房内位置稳定,与角膜及自身晶状体之间保留有安全距离,房角镜下未见人工晶状体袢压迫小梁网,无视网膜脱离及慢性色素膜炎反应。结论Phakic6眼内植入矫正高度近视效果显著,但远期效果及安全性还有待于进一步观察。  相似文献   

5.
裴育 《国际眼科杂志》2014,14(7):1319-1321
目的:观察有晶状体眼前房型虹膜夹持人工晶状体植入治疗高度近视的临床疗效。 方法:对28例50眼高度近视患者进行有晶状体眼Verisyse前房虹膜夹持型人工晶状体植入手术,观察术后的裸眼视力、最佳矫正视力、眼压、角膜及前房内炎症变化情况。 结果:患者28例50眼均顺利在前房内植入虹膜夹持的人工晶状体,术后所有患者视力较术前均增加。术后1a,裸眼视力38眼(76%)≥1.0,12眼(24%)≥0.5,最佳矫正视力40眼(80%)≥1.0,10眼(20%)≥0.5。术后22眼最佳矫正视力均达到并超过术前最佳矫正视力。 结论:高度近视患者有晶状体眼前房植入虹膜夹持型人工晶状体是一种较好的安全有效的矫正视力的方法,术后屈光效果令人满意。  相似文献   

6.
目的观察高度近视合并白内障植入不同后房型人工晶状体对眼内轴向空间结构稳定的影响,为此类患者选取最佳的人工晶状体提供临床依据。方法对高近视合并白内障患者128例(142只眼)施行自内障超声乳化吸出联合人工晶状体植入术,根据植入的人工晶状体不同分为三组:Bigbag组50只眼、Semar组46只眼,PM-MA组46只眼。观察三组患者术后1个月的最佳矫正视力,术后第1个月角膜内皮到后囊膜面的距离与术前中央前房深度的差值,术后并发症等指标。结果所有手术眼术后矫正视力均有不同程度提高,Bigbag组术后1个月角膜内皮到后囊膜面的距离与术前的前房深度差值显著大于Sensar组和PMMA组,组间比较差异均有统计学意义(P〈0.05),三组术后均未见严重并发症。结论超声乳化吸出联合Bigbag人工晶状体植入术可以有效改善高度近视白内障患者的视力,对后囊膜起到稳定的支撑作用,有利于眼内轴向空间结构的稳定,减轻手术对眼后段的影响。  相似文献   

7.
目的应用超声生物显微镜(UBM)观察高度近视患者植入有晶状体眼6H2型前房型人工晶状体(PAC-IOL)的位置及与邻近结构的解剖关系。方法15例(29眼)高度近视患者植入PAC-IOL。术前应用UBM测量前房深度,术后3个月,观察IOL襻的位置,测量中央及周边6点、12点处IOL与角膜内皮的距离,IOL与晶状体的距离,IOL边缘与虹膜的距离。结果术前前房深度为3.11~3.52mm。术后3个月,IOL襻均位于前房角,中央及周边6点、12点处IOL与角膜内皮的距离分别为(2.341±0.116)、(1.601±0.025)、(1.601±0.028)mm;IOL中央与晶状体的距离为(0.841±0.140)mm;IOL边缘与虹膜的距离为(0.346±0.046)mm。结论Phakic6H2PAC-IOL与角膜内皮和晶状体保持有效的安全距离。其弹性支撑襻均位于前房角。IOL襻向后作用于虹膜和前房角,有可能导致临床上发生瞳孔变形。  相似文献   

8.
目的 探讨超声乳化植入折叠式0或负度数人工晶状体(IOL)治疗白内障合并超高度近视的临床效果.方法 对35例(49只眼)白内障合并超高度近视的患者行超声乳化白内障吸除联合0或负度数IOL植入.观察术后视力、屈光状态及并发症等情况.随访时间3~ 15个月.结果 全部植入人工晶状体,IOL度数为0~-8 D,平均(-1.96±-2.14)D,术后视力满意,未见视网膜脱离.术后3月,裸眼视力:>0.3者16只眼,占32.65%,>0.5者7只眼,占14.29%;最佳矫正视力:光感~0.05者3只眼,占6.12%,0.06~0.3者6只眼占12.24%,0.4~0.5者23只眼,占46.19%,>0.5者17只眼,占34.69%.患者术后均表现为低度近视性屈光不正,术后3月患者屈光度为-0.5~-2.75 D,平均(-1.38±0.65)D,无过矫现象发生.术后实际屈光度与预期屈光度的差值为0.00~-2.75 D,平均(-1.45±0.66)D.术后角膜水肿3只眼(6.12%),术后一过性高眼压11只眼(22.45%),术后复视1例(0.02%).术后3个月无视网膜脱离,亦未见黄斑囊样水肿、人工晶状体移位等并发症.结论 超声乳化联合折叠式0或负度数人工晶状体植入治疗白内障合并超高度近视临床效果良好,可以矫正屈光不正,促进恢复视力.  相似文献   

9.
目的 评价白内障术中植入一片式散光型人工晶状体(IOL)矫正术前角膜散光的疗效和旋转稳定性.方法 白内障超声乳化吸除联合Acrysof toric IOL植入31只眼,其中T3(柱镜为1.50D)19只眼,T4(柱镜为2.25D)7只眼,T5(柱镜为3.00 D)5只眼.另外,对照组30只眼,手术方式相同,术中植入SA60AT型IOL.白内障超声乳化吸除联合IOL植入手术通过颞侧角膜切口进行.观察术后早期(1周)和远期(3月)术眼散光和角膜散光,晶状体的旋转度数,裸眼视力(UCVA),球镜矫正视力(SCVA)和最佳矫正视力(BCVA).结果 在最后随访时,观察组全部患眼的UCVA均LogMAR 0.3(20/40)以上,而对照组有86.7%的患眼达到LogMAR0.3(20/40)以上.平均眼散光观察组为(0.44±0.24)D,对照组为(1.44±0.34)D.观察组有21只眼(77%)的IOL轴旋转小于3°,所有患眼IOL旋转不超过9°.结论 术后早期和远期观察表明Acrysof toric IOL,植入可以有效和稳定地矫正白内障患者术前即存在的散光.  相似文献   

10.
目的评价有晶状体眼后房型人工晶状体(ICL)植入术矫治高度近视的临床效果。方法自2009年2月至2011年2月接受ICL植入的高度近视患者82例(160只眼),术前平均屈光度球镜(-13.65±4.25)D,柱镜(-2.65±0.75)D。观察术后裸眼视力、最佳矫正视力、屈光度、内皮细胞计数等情况,分析并发症的发生情况。结果术后裸眼视力:0.5~1.0,平均0.78±0.32。术前最佳矫正视力:0.3~1.0,平均0.59±0.36,术后最佳矫正视力0.79±0.30。达到术前矫正视力92只眼(57.5%),超过术前最佳矫正视力68只眼(42.5%),随访6个月至2年,无明显变化。术后屈光度数平均球镜(-0.75±0.65)D,柱镜(-0.55±0.25)D。角膜内皮细胞计数术前(3126±260)个/mm2,术后6个月为(3069±308)个/mm2,差异无统计学意义。结论有晶状体眼后房型人工晶状体(ICL)植入矫治高度近视及超高度近视安全有效,是高度近视患者的理想治疗方法。  相似文献   

11.
PURPOSE: To evaluate intraocular dimensions of the anterior segment of myopic phakic eyes after implantation of foldable iris-fixated lenses. METHODS: Seventeen myopic eyes that received a foldable iris-fixated phakic intraocular lens (PIOL) were assessed. Distances between the cornea and the IOL-optic edge and between the IOL optic and the crystalline lens were evaluated using Scheimpflug photography 3 months postoperatively. RESULTS: The average postoperative distance between the central corneal endothelium and the anterior surface of the IOL was 2.01 +/- 0.26 mm. The distance between the corneal endothelium and the peripheral edge of the IOL averaged 1.32 +/- 0.18 mm at the 12 o'clock position and 1.34 +/- 0.21 mm at the 6 o'clock position. The distance between the crystalline lens and the posterior surface of the IOL averaged 0.73 +/- 0.09 mm. CONCLUSIONS: The high quality of the three-dimensional Scheimpflug images allowed measurements of intraocular distances in PIOL implanted eyes. Distances between the foldable iris-fixated IOL and crucial surrounding tissues could be determined 3 months postoperatively.  相似文献   

12.
目的:使用前节OCT分析高度近视植入虹膜夹型人工晶状体后眼内的结构变化。方法:植入前房晶状体矫正高度近视6眼(11.5D至22.0D),使用前节OCT采集前节图像测量术前前房深度,术后人工晶状体与角膜内皮间距离(内皮—晶状体距离),人工晶状体与正常晶状体间距离。结果:术前前房深度为3.27~3.91mm,术后内皮—晶状体距离为2.07~2.24mm。人工晶状体后表面与正常晶状体间的距离为0.82~1.32mm。图像显示虹膜色素层没有明显改变。结论:前房深度较术前减少36.1%~44.6%。前节OCT对于检测虹膜夹型前房晶状体的位置有帮助。  相似文献   

13.
PURPOSE: To study the in situ relative intraocular position of the Ophtec Artisan iris-claw phakic intraocular lens (PIOL) for high myopia using ultrasound biomicroscopy. METHODS: Three PIOLs (13.00, 17.00 and 18.00 D lens powers) were implanted in phakic myopic eyes. Using ultrasound biomicroscopy, echograms were taken in the anterior chamber to measure the preoperative anterior chamber depth, postoperative distance between the PIOL and the corneal endothelium (endothelial-optic distance), and the postoperative distance between the PIOL and the crystalline lens. RESULTS: Preoperative anterior chamber depth ranged from 3.10 to 3.40 mm and the postoperative endothelial-optic distance measured 2.11 to 2.44 mm. The distance between the crystalline lens and the posterior surface of the IOL ranged from 0.78 to 0.93 mm. Several echograms revealed the position of the PIOL on the iris. The pigment layer of the iris did not seem to be disturbed by the presence of the PIOL. CONCLUSION: The original anterior chamber depths were reduced by 28% to 34% after implantation. The PIOL-crystalline lens distance ranged from 0.78 to 0.93 mm. This study of 3 eyes revealed that echograms taken by ultrasound biomicroscopy are useful in verifying the intraocular position of the PIOL within the anterior chamber.  相似文献   

14.
目的 应用Pentacam术后追踪测量虹膜夹型有晶状体眼人工晶状体(PIOL)中央和周边部与角膜内皮和自然晶体之间的距离,倾斜度、偏心值以及前房深度的变化,评价其在前房的位置.方法 收集自2006年1月以来接受虹膜夹型人晶状体植入术的22例33只眼.术后6个月全部患者行Pentacam检查,测量VRSM50和VRSM60两组不同类型虹膜夹型PIOL中央和周边部与角膜内皮和自然晶体之间的距离,并测量术后1d、1、3及6个月人工晶状体的偏心量、倾斜度及前房深度值.结果 角膜内皮至PIOL光学部前表面距离为(1.94±0.36)mm.PIOL后表面与自然晶状体间的距离为(0.76±0.12)mm.分别比较各组在不同时期的平均偏心量与平均倾斜度,差异无统计学意义(P>0.05).在术后1d、1、3及6个月,比较2组的平均偏心量与平均倾斜度,差异无统计学意义(P>0.05).结论 Pentacam三维眼前段分析仪为PIOL植入术后提供高质量的Scheimpflug摄像,可以为有晶状体眼前房型人工晶状体提供精确的眼内定位,在这一方面具有重要的临床应用价值.  相似文献   

15.
PURPOSE: To evaluate the postoperative intraocular positional stability of 1 rigid poly(methyl methacrylate) (PMMA) phakic intraocular lens (pIOL) model and 2 foldable polysilicone-PMMA iris-fixated pIOL models. SETTING: Department of Ophthalmology, Johann Wolfgang Goethe-University Frankfurt am Main, Germany. METHODS: One of 3 iris-fixated pIOL models (Artisan, Artiflex I, and Artiflex II, Ophtec BV) was implanted in 45 eyes of 26 patients with myopia or myopic astigmatism. The central distance between the pIOL and corneal endothelium and between the pIOL and anterior surface of the crystalline lens was evaluated using Scheimpflug photography 6 and 12 months after surgery. RESULTS: The mean preoperative spherical equivalent was -9.32 diopters +/- 1.78 (SD) (range -6.5 to -13.5 D). Each IOL model was implanted in 15 eyes. The median distance from the central corneal endothelium to the anterior surface of the pIOL at 6 months and 12 months was 2.65 mm and 2.64 mm, respectively, in the Artisan group, 2.47 mm and 2.50 mm, respectively, in the Artiflex I group, and 2.48 mm and 2.52 mm, respectively, in the Artiflex II group. The median distance between the posterior surface of the pIOL and the anterior surface of the crystalline lens at 6 months and 12 months was 0.40 mm and 0.48 mm, respectively, in the Artisan group, 0.53 mm and 0.55 mm, respectively, in the Artiflex I group, and 0.68 mm and 0.66 mm, respectively, in the Artiflex II group. At 12 months, the distance between the pIOL and crystalline lens was statistically significantly greater in the Artiflex II group than in the Artisan group (P<.01). CONCLUSION: The intraocular position of rigid pIOLs and foldable silicone iris-supported pIOLs showed a difference between the 3 pIOL models in space to the crystalline lens and the corneal endothelium, which may affect long-term results in terms of IOL interaction with surrounding tissue.  相似文献   

16.
PURPOSE: To study in situ the intraocular position of the Artisan iris-claw intraocular lens (IOL) (model 203) (Ophtec) in phakic hyperopic eyes using ultrasound biomicroscopy (UBM). METHODS: Echograms of the anterior chamber were taken preoperatively and 24 to 317 days postoperatively in 4 eyes implanted with the Artisan IOL (power +4.0 to +6.0 diopters). The preoperative anterior chamber depth (ACD) and the postoperative distance between the IOL and the corneal endothelium (endothelium-optic distance) and between the IOL and the lens were measured. The echograms were assessed for the effect of the IOL on iris tissue. RESULTS: The preoperative ACD ranged from 3.10 to 3.56 mm and the postoperative endothelium-optic distance, from 2.03 to 2.54 mm. The distance between the lens and the posterior surface of the IOL ranged from 0.35 to 0.79 mm. Several UBM echograms showed indentation of iris tissue by the IOL haptics and optic edge, although no pigmentary dispersion was noted. CONCLUSIONS: Adequate space was maintained between the Artisan hyperopic IOL and the corneal endothelium, angle, and crystalline lens. Haptic indentation of the iris, which could lead to pigment erosion, was observed. Preoperative gonioscopy and maintenance of normal intraocular pressure postoperatively suggest the indentation was secondary to inadequate lens vaulting relative to the high natural arch of the iris in hyperopic eyes. Shortening the haptics or increasing the lens vault might resolve this problem.  相似文献   

17.
目的:探讨有晶状体眼Verisyselens(虹膜固定型前房人工晶状体)植入术矫正高度近视的临床疗效及安全性。方法:我院于2004-11始开展了Verisyselens(虹膜固定型人工晶状体)植入术,4例(6眼)高度近视(度数-13.5~22.0D之间),密切观察术后眼压、屈光改变、视力及角膜、虹膜情况,随访1a以上。结果:大部分超过术前最佳矫正视力1~2行,术前裸眼视力0.02~0.2,最佳矫正视力由0.25~0.5,恢复到术后裸眼视力0.5~0.6。并发症较轻、较少,恢复快,仅1例为晶状体偏中心并眩光发生,经再次手术调整晶状体正位后,眩光消失,1眼一过性眼压升高,1眼角膜轻度水肿,1眼虹膜少许脱色素,本组中另3眼出现晶状体表面尘样色素附着,(虹膜未见脱色),但均未影响视力,眼压不高。均未见严重并发症。结论:虹膜固定型前房人工晶状体植入术矫正高度近视,术后视力效果好,屈光度稳定,可预测性强,短期随访,安全性高,但国人为有色人种,术后虹膜持续为晶状体夹持,导致少量而持续脱色素,可能引发严重并发症,尚需注意长期随访。  相似文献   

18.
PURPOSE: To compare the results of foldable acrylic intraocular lens (IOL) implantation through a clear corneal incision with those of rigid IOL implantation in eyes having pars plana vitrectomy (PPV). SETTING: Tertiary referral-based university institute. METHODS: A consecutive retrospective comparative chart review was performed in all eyes that had PPV and foldable IOL implantation between May 15, 1999, and November 1, 2000 (n = 30), and all eyes that had PPV and rigid IOL implantation between April 1, 1996, and May 14, 1999 (n = 30). Preoperative baseline data and postoperative outcome data were recorded. Pars plana vitrectomy and associated vitreoretinal procedures were performed as indicated according to individual circumstances. A minimum of 1 week of follow-up information was available for all eyes. RESULTS: Baseline characteristics in both groups of patients, including age, sex, eye involved, and phakic state, were similar. The preoperative visual acuities were also similar, ranging from 20/30 to hand motions; the mean visual acuity was 20/200. The IOL was implanted in all eyes uneventfully and did not restrict fundoscopy. The mean follow-up was significantly longer in the rigid IOL group (20 months) than in the foldable IOL group (7 months) (P<.001), probably because of the earlier case acquisition. The mean postoperative best corrected visual acuity was 20/200 in the foldable IOL group and 20/100 in the rigid IOL group. There was no difference between the 2 groups in the rate of postoperative retinal detachment, recurrent macular hole, or repeat PPV. Elevated intraocular pressure (IOP) on the first postoperative day was more common in the rigid IOL group than in the foldable IOL group (P =.078) because more patients in the rigid IOL group had surgery for diabetic ocular complications and these patients had a greater IOP rise. CONCLUSION: Acrylic IOLs can be safely implanted in conjunction with PPV in selected cases.  相似文献   

19.
Ultrasound Biomicroscopy of Iris-claw Phakic Intraocular Lens Implantation   总被引:1,自引:0,他引:1  
Ayong Yu 《眼科学报》2006,22(1):35-39
Purpose: To study in situ the intraocular position of iris-claw phakic intraocular lens (ICPIOL) in myopic eyes using ultrasound biomicroscopy (UBM). Methods: UBM echograms of the anterior segment were taken preoperatively and 62 to 115 days postoperatively in 6 eyes implanted with the Verisys ICPIOL (AMO). The echograms were assessed for the effect of the ICPIOL on iris tissue. Results: The preoperative distance between the corneal endothelium and the lens ranged from 2.96 to 3.09 mm, and the postoperative distance between the ICPIOL and the corneal endothelium, from 1.86 to 2.03 mm. The distance between the lens and the posterior surface of the ICPIOL ranged from 0.61 to 0.76 mm. The distance between the superior, inferior optic edge and the iris ranged from 0.49 to 1.00 mm, 0.21 to 0.51 mm respectively. The shortest distance between the ICPIOL haptics and the angle of anterior chamber ranged from 1.25 to 1.65 mm. The indentation of iris tissue by the ICPIOL haptics without pigmentary dispersion and distortion of posterior curvature of iris was observed. Conclusion : Adequate space is maintained between the Verisyse myopic ICPIOL and the corneal endothelium, angle, and crystalline lens. Haptic indentation of the iris without pigment erosion and distortion of iris curvature is noted. The ICPIOL implanted in phakic eyes is a safe alternative for treatment of high myopia.  相似文献   

20.
PURPOSE: To examine postoperative positional stability of myopic phakic intraocular lenses (IOLs). DESIGN: Prospective, nonrandomized clinical study. METHODS: The study included 46 eyes which received an anterior chamber angle-supported (Bausch & Lomb NuVita; 10 eyes), anterior chamber iris-fixated (Ophtec Artisan; 20 eyes) or ciliary sulcus-implanted phakic IOL (Staar ICL; 16 eyes). The distance between the phakic IOL and the crystalline lens and the cornea as well as rotation around the optical axis was evaluated using Scheimpflug photography at 1, 3 to 6, and 12 months postsurgery. RESULTS: The anterior chamber phakic IOLs showed no significant movement in anteroposterior direction. The posterior chamber phakic IOL showed a significant movement toward the crystalline lens between postoperative months 3 and 12. The median amount of rotation around the optical axis between the 3- and the 12-month evaluation was 1.9 degrees (range = 0.0-33.5 degrees) for the NuVita, 0.6 degrees (range = 0.0-3.5 degrees) for the Artisan, and 0.9 degrees (range = 0.2-2.3 degrees) for the ICL. Four NuVita IOLs rotated more than 10 degrees. CONCLUSIONS: The angle-supported anterior chamber phakic IOLs showed a generally stable position regarding distance to cornea and natural lens, but rotation was observed in four IOLs. The iris-fixated phakic IOL showed the highest overall stability. The posterior chamber phakic IOL was stable in terms of rotation but had a tendency to decrease in distance toward the crystalline lens. Intraocular lenses implanted in phakic eyes followed for 12 months demonstrate stable IOL position overall.  相似文献   

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