减压术前后人工晶状体计算结果的对比

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目的：对比不同减压术前后人工晶状体（IOL）计算结果。

材料和方法：该研究包括115例患者，并将其分为三组。第1组患者接受了小梁切除术（n=86），第2组患者植入了Ex-PRESS引流器（n=19），第3组患者植入了青光眼引流阀（Ahmed）（n=10）。所有研究对象在减压手术前一天都在IOL-Master 500设备上进行了生物测量，并根据Barrett Universal II公式（目标屈光度-正视）计算人工晶状体的屈光率。最初的数据与减压术后6个月后获得的类似研究结果进行了比较，以评估其对生物测量参数的影响和人工晶状体屈光率计算的准确性。

结果：尽管光解剖学参数发生了重大变化，但减压手术前后的平均目标屈光度值并无明显差异：各组分别为0.00±0.03与0.03±0.52 D（p=0.628），0.00±0.10与0.19±0.61 D（p=0.173），-0.04±0.08与0.11±0.42 D（p=0.269）。然而，有一个明显的趋势，即目标屈光度的分散性增加。

结论。青光眼手术会导致眼部的生物测量参数发生变化，降低人工晶状体计算的准确性。因此，在选择人工晶状体时，应以减压术后的测量为准。

作者简介

Dmitrii Belov

City Multifield Hospital No. 2

编辑信件的主要联系方式.
Email: belovd1990@gmail.com
ORCID iD: 0000-0003-0776-4065
SPIN 代码: 2380-2273

ophtalmologist, City Multifield Hospital No. 2

俄罗斯联邦, St. Petersburg

Vadim Nikolaenko

City Multifield Hospital No. 2; Saint Petersburg State University

Email: dr.Nikolaenko@mail.ru
ORCID iD: 0000-0002-6393-1289
SPIN 代码: 4906-2542

MD, PhD, Doc. Sci. (Med.), Head of Ophthalmology Department, City Multifield Hospital No. 2, professor Otorhinolaryngology and ophthalmologydepartment of the Medical Faculty of St. Petersburg State University

俄罗斯联邦, St. Petersburg; St. Petersburg

参考

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2. Fig. 1. Distribution of target refraction before and after sinustrabeculectomy

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3. Fig. 2. Distribution of target refraction before and after Ex-PRESS shunt implantation

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4. Fig. 3. Distribution of target refraction before and after Ahmed valve implantation

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