Assessing the need and benefits of home tonometers in the management of patients with glaucoma
Pinakin Gunvant Davey,1 Kiana Nouri,2 Samantha Zaczyk1
1Western University of Health Sciences, College of Optometry, Pomona, CA, USA; 2Western University of Health Sciences, College of Osteopathic Medicine of the Pacific, Pomona CA, USA
Abstract: Intraocular pressure (IOP) measurement remains an integral part of managing patients with or at risk for glaucoma. The current gold standard, the Goldmann applanation tonometer, is influenced by ocular parameters, both extrinsic and intrinsic, that can lead to long- and short-term fluctuations and measurement errors. The biggest of all limitations of Goldmann-type tonometers is that the device provides a cross-sectional picture of IOP levels. To get an overall picture, including nocturnal IOP estimates, a home tonometry unit can provide valuable information. This article discusses the various sources that influence IOP measurement, home tonometers that are currently available, and the growing body of evidence that shows how home tonometry can be helpful in the care of individuals at risk for progression of glaucoma.
Keywords: home tonometry, intraocular pressure, sources of errors, telemetry
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