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首页> 外文期刊>Journal of refractive surgery >Outcomes of ZB5M angle-supported anterior chamber phakic intraocular lenses at 12 years.
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Outcomes of ZB5M angle-supported anterior chamber phakic intraocular lenses at 12 years.

机译：ZB5M角支撑前房晶状体人工晶状体在12年时的结果。

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PURPOSE: To evaluate the visual and refractive stability and the potential long-term risks associated with ZB5M phakic intraocular lens (PIOL) implantation. METHODS: A retrospective, non-randomized, cumulative clinical study was performed over 12 years in a consecutive group of 225 eyes implanted with the ZB5M PIOL. The main analyzed variables were visual and refractive outcomes (best spectacle-corrected visual acuity [BSCVA], uncorrected visual acuity [UCVA], and spherical equivalent), endothelial cell density, and postoperative complications. RESULTS: Mean preoperative spherical equivalent refraction was -17.23 +/- 7.69 diopters (D) and 12 years postoperatively it was -1.80 +/- 0.80 D. Mean BSCVA at 1- and 12-year follow-up was 0.38 +/- 0.19 and 0.57 +/- 0.18, respectively (Wilcoxon test, P < .001). At 12 years postoperatively, 3.5% of eyes lost > or = 2 lines of BSCVA. An initial 10.6% reduction in endothelial cell density was noted in the first year, followed by a mean annual rate of decrease of 1.78%. The cumulative incidence of pupil ovalization was 34.7% (78 eyes), and there was no statistical correlation with endothelial cell impairment. Bilateral hypertensive uveitis was diagnosed in 3 (1.33%) eyes. CONCLUSIONS: The ZB5M PIOL offers good refractive outcomes and stability in the long-term; however, endothelial cell loss increases over 12 years, requiring annual endothelial cell counts.
机译：目的：评估与ZB5M有晶状体人工晶状体（PIOL）植入相关的视觉和屈光稳定性以及潜在的长期风险。方法：回顾性，非随机性，累积性临床研究在连续12年中对连续225眼植入ZB5M PIOL的眼睛进行了研究。分析的主要变量是视觉和屈光结局（最佳眼镜矫正视力[BSCVA]，未矫正视力[UCVA]和球面等效），内皮细胞密度和术后并发症。结果：术前平均等效屈光度为-17.23 +/- 7.69屈光度（D），术后12年平均屈光度为-1.80 +/- 0.80D。1年和12年随访的平均BSCVA为0.38 +/- 0.19。和分别为0.57 +/- 0.18（Wilcoxon测试，P <.001）。术后12年，3.5％的眼睛失去>或= 2行BSCVA。在第一年，内皮细胞密度最初下降了10.6％，随后平均每年下降了1.78％。瞳孔椭圆化的累积发生率为34.7％（78眼），与内皮细胞损伤无统计学相关性。在3只（1.33％）眼中诊断出双侧高血压葡萄膜炎。结论：ZB5M PIOL可以长期提供良好的屈光效果和稳定性。然而，在过去的12年中，内皮细胞的损失增加了，需要每年的内皮细胞计数。

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