Repeatability of intraocular pressure measurements with Icare PRO rebound, Tono-Pen AVIA, and Goldmann tonometers in sitting and reclining positions

BMC Ophthalmology

Research Article

Caterina Schweier¹  James VM Hanson¹  Jens Funk¹  Marc Töteberg-Harms² 

[1] Department of Ophthalmology, UniversityHospital Zurich, Frauenklinikstrasse 24, 8091, Zurich, Switzerland;Department of Ophthalmology, UniversityHospital Zurich, Frauenklinikstrasse 24, 8091, Zurich, Switzerland;Massachusetts Eye & Ear Infirmary, Harvard Medical School, 243 Charles Street, 02144, Boston, Massachusetts, USA;

关键词: Upright Position;    Astigmatism;    Intraclass Correlation Coefficient;    Central Corneal Thickness;    Corneal Edema;   

DOI  :  10.1186/1471-2415-13-44

 received in 2012-11-27, accepted in 2013-08-30,  发布年份 2013

来源: Springer

【 摘 要 】

BackgroundIcare PRO (ICP) is a new Rebound tonometer that is able to measure intraocular pressure (IOP) in both sitting and reclining positions. In this study, the gold standard Goldmann tonometer (GAT) was compared to ICP and Tono-Pen AVIA (TPA). Hypothesis was that repeatability of GAT is superior to ICP and TPA.Methods36 eyes of 36 healthy caucasian individuals, 13 male and 26 females, 17 right and 19 left eyes have been included in this prospective, randomized, cross-sectional study. The study was conducted at a single site (Dept. of Ophthalmology, UniversityHospital Zurich, Switzerland). Primary outcome measures were Intraclass correlation coefficients (ICC) and coefficients of variation (COV) and test-retest repeatability as visualized by Bland-Altman analysis. Secondary outcome measures were IOP in sitting (GAT, ICP and TPA) and in reclining (ICP and TPA) position.ResultsMean IOP measured by GAT was 14.9±3.5 mmHg. Mean IOP measured by ICP was 15.6±3.1 mmHg (with TPA 14.8±2.7 mmHg) in sitting and 16.5±3.5 mmHg (with TPA 17.0±3.0 mmHg) in reclining positions. COVs ranged from 2.9% (GAT) to 6.9% (ICP reclining) and ICCs from 0.819 (ICP reclining) to 0.972 (GAT).ConclusionsRepeatability is good with all three devices. GAT has higher repeatability compared to the two tested hand-held devices with lowest COVs and highest ICCs. IOP was higher in the reclining compared to the sitting position.Trial registrationThe study was registered to the Clinical Trials Register of the US National Institute of Health, NCT01325324.

【 授权许可】

Unknown   
© Schweier et al.; licensee BioMed Central Ltd. 2013. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.