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Abstract #22916 Published in IGR 11-1
Comparison of Perkins, Tono-Pen and Schiotz tonometers in paediatric patients under general anaesthesia
Gharaei H; Kargozar A; Raygan F; Daneshvar REastern Mediterranean health journal 2008; 14: 1365-1371
This cross-sectional study aimed to investigate if the Tono-Pen, Schiotz and Perkins tonometers could be used interchangeably in general practice for measuring elevated intraocular pressure. A total of 74 eyes of 37 paediatric patients under general anaesthesia were checked with all 3 tonometers. All of the tonometers gave significantly different measurements from each other. However, with a mean difference of 1.4 mmHg and 95% limits of agreement of -5.7 to +8.6, the greatest agreement was between the Perkins and Tono-Pen tonometers. The Perkins tonometer is a hand-held variant of the Goldmann tonometer (the gold standard for intraocular pressure measures). Therefore the Tono-Pen with its ease of use and safety could be a reliable device for use in general practice.
Dr. H. Gharaei, Eye Research Centre, Department of Ophthalmology Khatam Al-Anbia Eye Hospital, Mashhad University of Medical Sciences, Mashhad, Islamic Republic of Iran
Classification:
6.1.1 Devices, techniques (Part of: 6 Clinical examination methods > 6.1 Intraocular pressure measurement; factors affecting IOP)