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初治眼的地形图引导飞秒激光原位角膜磨镶术：治疗显性散光与测量散光

Topography-Guided Femto-LASIK in Virgin Eyes: Treating Manifest versus Measured Astigmatism.

作者信息

Abdelwahab Shereef Mohammed, Hamed Abdelmonem M, Bayoumy Ahmed Sherin M, Elfayoumi Maha Attaia

机构信息

Ophthalmology Department, Benha College of Medicine, Benha University, Benha, Egypt.

出版信息

Clin Ophthalmol. 2020 Dec 18;14:4423-4430. doi: 10.2147/OPTH.S281736. eCollection 2020.

DOI:10.2147/OPTH.S281736
PMID:33376296
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7755332/
Abstract

PURPOSE

To assess the stability, safety, predictability, and efficacy of topography-guided myopic Femto-LASIK with two different treatment protocols.

SETTING

Ebsar Eye center, Benha, Qalyopia, Egypt.

DESIGN

Single-center, retrospective, COHORT control study.

METHODS

A total of 330 eyes enrolled in the study in group A and 322 eyes enrolled in group B underwent uncomplicated primary bilateral topography-guided Femto-LASIK. Group A was treated with the subjective clinical refraction; however, group B was treated with the modified refraction according to ALCON protocol.

RESULTS

The mean preoperative refractive spherical equivalent (MRSE) was -4.85±1.90D and -5.0±1.93D in group A and B, respectively (P = 0.86), and a cylinder of -0.95±0.80 D and -0.92±0.81D, respectively. At the 12 months' postoperatively, the residual manifest SE within ± 0.5D was achieved by 82.86% of eyes in group A compared to 83.93% in group B. Of eyes, 92.06% had ≤0.5 astigmatism dioptre, while 100% of eyes had ≤1.0 astigmatism dioptre in group A (315 eyes); however, 91.80% of eyes had ≤0.5 astigmatism dioptre, while 100% of eyes had ≤1.0 astigmatism dioptre in group B.

CONCLUSION

Topographic modification of the magnitude and axis of astigmatism treated using ALCON protocol when different from the clinical refraction may offer good refractive outcomes when we apply the Alcon precalculation considerations.

摘要

目的

评估两种不同治疗方案的地形引导性近视飞秒激光原位角膜磨镶术（Femto-LASIK）的稳定性、安全性、可预测性和疗效。

设置

埃及盖勒尤比省本哈市的埃卜萨尔眼科中心。

设计

单中心、回顾性队列对照研究。

方法

A组330只眼和B组322只眼纳入本研究，均接受了无并发症的原发性双侧地形引导性飞秒激光原位角膜磨镶术。A组采用主观临床验光进行治疗；然而，B组根据爱尔康协议采用改良验光进行治疗。

结果

A组和B组术前平均等效球镜度（MRSE）分别为-4.85±1.90D和-5.0±1.93D（P = 0.86），柱镜分别为-0.95±0.80D和-0.92±0.81D。术后12个月时，A组82.86%的眼残余显性等效球镜度在±0.5D以内，B组为83.93%。A组（315只眼）中，92.06%的眼角膜散光≤0.5屈光度，100%的眼角膜散光≤1.0屈光度；然而，B组中91.80%的眼角膜散光≤0.5屈光度，100%的眼角膜散光≤1.0屈光度。

结论

当应用爱尔康预计算考量因素时，采用爱尔康协议治疗散光时，若散光量和轴位的地形修正与临床验光不同，可能会带来良好的屈光效果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/2aef41ad0d87/OPTH-14-4423-g0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/8e3f43551940/OPTH-14-4423-g0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/30c4d5f52ddc/OPTH-14-4423-g0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/acb4428a7d89/OPTH-14-4423-g0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/78372c04fb92/OPTH-14-4423-g0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/00595d35cd8e/OPTH-14-4423-g0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/61ce15bdbf4b/OPTH-14-4423-g0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/2aef41ad0d87/OPTH-14-4423-g0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/8e3f43551940/OPTH-14-4423-g0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/30c4d5f52ddc/OPTH-14-4423-g0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/acb4428a7d89/OPTH-14-4423-g0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/78372c04fb92/OPTH-14-4423-g0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/00595d35cd8e/OPTH-14-4423-g0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/61ce15bdbf4b/OPTH-14-4423-g0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8bd1/7755332/2aef41ad0d87/OPTH-14-4423-g0007.jpg

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