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超视激光 LASIK 和手术后角膜度:重新审视 49 双眼镜的极限值

Ruti Sella¹, Nir Sorkin, Margarita Safir

¹From the Department of Ophthalmology, Rabin Medical Center, Petah Tikva, Israel (Sella); Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel (Sella, Sorkin); Care Vision Laser Centers, Tel-Aviv, Israel (Sella, Sela, Munzer, Kaiserman, Mimouni); Department of Ophthalmology, Tel-Aviv Medical Center, Tel-Aviv, Israel (Sorkin); Department of Ophthalmology, Itzhak Shamir Medical Center, Beer Yaakov, Israel (Safir); Bruce and Ruth Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel (Beylin, Mimouni); Department of Ophthalmology, Barzilai Medical Center, Ashkelon and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheba, Israel (Kaiserman); Department of Ophthalmology, Rambam Health Care Campus, Haifa, Israel (Mimouni).

Journal of cataract and refractive surgery

|February 2, 2024

概括

手术后的角膜度超过49二光透 (D) 超视激光 in situ 角膜修复 (LASIK) 后,不会影响视力敏度. 较高的球形治疗和较低的手术前视力与较差的结果有关.

科学领域:

眼科医生眼科眼科
折射手术是一种折射手术.
角膜外科手术角膜外科手术

背景情况:

超视激光 in situ 角质化 (LASIK) 是一种常见的折射手术.
角质度是影响LASIK后视觉结果的潜在因素.
确定高视激光 LASIK 的安全有效参数对于患者的满意度至关重要.

研究的目的:

为了比较经过校正的距离视敏度 (CDVA) 结果,在接受超视激光手术 (LASIK) 的患者中,术后的角膜度高于或低于49二眼镜 (D).

主要方法:

一项回顾性研究对1703名接受过高视眼 LASIK 的1703名患者的1703只眼睛进行.
根据术后角膜度,患者被分为两组:角膜 (>49.0 D) 和对照角膜 (≤49.0 D).
进行了统计调整,以考虑基线和手术内参数差异.

主要成果:

在手术前,尖角膜组表现出更高的角质量测量,更糟糕的CDVA,以及更大的球形折射误差和治疗.
最初,的角膜组显示出更糟糕的CDVA超视眼后LASIK.
在调整了基线和手术内因素后,两组之间没有观察到术后CDVA的显著差异 (0.06对0.06,P = .99).

结论:

术后角膜度超过49D与高视力LASIK后视力下降的结果无关.
较高的球形治疗和较低的术前视觉潜力是术后CDVA恶化的显著预测因素.
在超视激光激光切割术中,角膜度的已确定的49 D切割值可能需要重新评估.

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