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经上皮准分子激光角膜切削术的对称与非对称光区切削。

Symmetric offset versus asymmetric offset ablation with transepithelial refractive keratectomy.

机构信息

Aurelios Augenlaserzentrum Recklinghausen, Erlbruch 34-36, 45657, Recklinghausen, Germany.

SCHWIND Eye-Tech-Solutions, 63801, Kleinostheim, Germany.

出版信息

BMC Ophthalmol. 2023 May 17;23(1):219. doi: 10.1186/s12886-023-02971-9.

DOI:10.1186/s12886-023-02971-9
PMID:37198622
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10189917/
Abstract

BACKGROUND

In eyes with hyperopia, astigmatism, and mixed astigmatism Transepithelial photorefractive keratectomy (TransPRK) is a modality of surface ablation surgery. We center on the corneal vertex for all our treatments (all have an offset to the center of the pupil) and wanted to compare the visual results of symmetrical profile treatments versus asymmetrical profile treatments (the center of the treatment on the vertex and the boundaries with the pupil center) using TransPRK as corneal refractive surgery.

METHODS

We retrospectively analyzed two consecutive groups of eyes treated with TransPRK in the Aurelios Augenlaserzentrum Recklinghausen: 47 eyes treated with symmetrical offset and 51 eyes treated with asymmetrical offset. The intergroup comparisons were assessed using unpaired Student's T-tests, whereas preoperative to postoperative changes were assessed using paired Student's T-tests.

RESULTS

Refractive outcomes were good for both groups. 83 and 88% of eyes were within the spherical equivalent of 0.5 D from the target in the symmetric and asymmetric offset groups, respectively. 85 and 84% of eyes had a postoperative astigmatism of 0.5 D or lower in the symmetric and asymmetric offset groups, respectively.

CONCLUSION

We have not found a significant difference in the refractive outcomes between the symmetric group and the asymmetric group of eyes treated both with TransPRK for preoperatively hyperopic or mixed astigmatism.

摘要

背景

在远视、散光和混合散光的眼中，经上皮准分子激光角膜切削术（TransPRK）是一种表面消融手术方式。我们所有的治疗都以角膜顶点为中心（所有治疗都有瞳孔中心的偏移量），并希望比较使用 TransPRK 作为角膜屈光手术时对称轮廓治疗与非对称轮廓治疗（顶点的治疗中心和与瞳孔中心的边界）的视觉效果。

方法

我们回顾性分析了 Aurelios Augenlaserzentrum Recklinghausen 接受 TransPRK 治疗的两组连续眼：47 只眼接受对称偏移治疗，51 只眼接受非对称偏移治疗。使用独立样本 t 检验评估组间比较，使用配对 t 检验评估术前至术后的变化。

结果

两组的屈光结果均良好。在对称和非对称偏移组中，分别有 83%和 88%的眼等效球镜在目标值的 0.5 D 以内。在对称和非对称偏移组中，分别有 85%和 84%的眼术后散光为 0.5 D 或更低。

结论

我们没有发现使用 TransPRK 治疗术前远视或混合散光的眼的对称组和非对称组在屈光结果方面有显著差异。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/4423844b4cac/12886_2023_2971_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/a7f1e283e9fa/12886_2023_2971_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/2923adf4bfa6/12886_2023_2971_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/f8c9172a6899/12886_2023_2971_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/4b2f525bfa9b/12886_2023_2971_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/33f163834995/12886_2023_2971_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/be5af720bb2d/12886_2023_2971_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/b69815e85cb0/12886_2023_2971_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/4423844b4cac/12886_2023_2971_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/a7f1e283e9fa/12886_2023_2971_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/2923adf4bfa6/12886_2023_2971_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/f8c9172a6899/12886_2023_2971_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/4b2f525bfa9b/12886_2023_2971_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/33f163834995/12886_2023_2971_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/be5af720bb2d/12886_2023_2971_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/b69815e85cb0/12886_2023_2971_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/143a/10189917/4423844b4cac/12886_2023_2971_Fig8_HTML.jpg

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