Cvenkel Barbara, Velkovska Makedonka Atanasovska, Jordanova Vesna Dimovska
Department of Ophthalmology, University Medical Centre Ljubljana, Ljubljana, Slovenia.
University of Ljubljana, Ljubljana, Slovenia.
Eur J Ophthalmol. 2020 Mar;30(2):258-263. doi: 10.1177/1120672118823124. Epub 2019 Jan 11.
To evaluate and compare the accuracy of self-measurement of intraocular pressure using Icare Home rebound tonometer with Goldmann applanation tonometer and assess acceptability of self-tonometry in patients with glaucoma and ocular hypertension.
In the study, 117 subjects were trained to use Icare Home for self-measurement. Icare Home tonometer readings were compared with Goldmann applanation tonometer, including one eye per patient. Agreement between the two methods of measurement was evaluated by Bland and Altmann analysis. Questionnaire was used to evaluate patients' perception of self-tonometry.
One hundred and three out of 117 patients (88%) were able to measure their own intraocular pressure and 96 (82%) fulfilled the requirements for certification. The mean (SD) difference Goldmann applanation tonometer minus Icare Home was 1.2 (2.4) mmHg (95% limits of agreement, -3.4 to 5.9 mmHg). The magnitude of bias between the two methods depended on central corneal thickness, with greater bias at central corneal thickness <500 µm. In 65 out of 96 subjects (67.7%), Icare Home results were within 2 mmHg of the Goldmann applanation tonometer. Seventy-three out of 93 (78.5%) felt that self-tonometry was easy to use and 75 patients (80.6%) responded that they would use the device at home.
Icare Home tonometry tends to slightly underestimate intraocular pressure compared to Goldmann applanation tonometer. Most patients were able to perform self-tonometry and found it acceptable for home use. Measurements using rebound self-tonometry could improve the quality of intraocular pressure data and optimize treatment regimen.
使用Icare Home回弹式眼压计评估并比较自我测量眼压的准确性与Goldmann压平眼压计，并评估青光眼和高眼压症患者对自我眼压测量的可接受性。
在该研究中，117名受试者接受了使用Icare Home进行自我测量的培训。将Icare Home眼压计的读数与Goldmann压平眼压计进行比较，每名患者测量一只眼睛。通过Bland和Altmann分析评估两种测量方法之间的一致性。使用问卷评估患者对自我眼压测量的看法。
117名患者中有103名（88%）能够自行测量眼压，96名（82%）符合认证要求。Goldmann压平眼压计减去Icare Home的平均（标准差）差值为1.2（2.4）mmHg（95%一致性界限，-3.4至5.9 mmHg）。两种方法之间的偏差大小取决于中央角膜厚度，中央角膜厚度<500 µm时偏差更大。96名受试者中有65名（67.7%），Icare Home的测量结果与Goldmann压平眼压计的差值在2 mmHg以内。93名患者中有73名（78.5%）认为自我眼压测量易于使用，75名患者（80.6%）表示他们会在家中使用该设备。
与Goldmann压平眼压计相比，Icare Home眼压测量法往往会略微低估眼压。大多数患者能够进行自我眼压测量，并认为在家中使用是可以接受的。使用回弹式自我眼压测量法进行测量可以提高眼压数据的质量并优化治疗方案。
