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Dadun > Depósito Académico > Clínica Universidad de Navarra > Oftalmología > DA - CUN - Oftalmología - Artículos de revista >

Medición de presión intraocular con el tonómetro Proview®
Other Titles: Intraocular pressure measurement using the Proview® tonometer
Authors: Moreno-Montañes, J. (Javier)
Sadaba-Echarri, L.M. (Luis M.)
Heras-Mulero, H. (H.)
Keywords: Intraocular pressure
phosphene tonometry
glaucoma.
Issue Date: 2005
Publisher: Elsevier España
Publisher version: http://scielo.isciii.es/scielo.php?script=sci_arttext&pid=S0365-66912005000200005&lng=en&nrm=iso&tlng=es
ISSN: 0365-6691
Citation: Moreno Montanes J, Sadaba LM, Heras H. Medición de presión intraocular con el tonómetro Proview®. Arch Soc Esp Oftalmol 2005 Feb;80(2):79-83.
Abstract
Purpose: To evaluate a new ocular tonometer (Proview®) which functions by visualizing a phosphene after putting pressure on the upper eyelid. To ascertain its accuracy and reproducibility with respect to the Goldmann tonometer (GT). Methods: A study on both eyes of 110 non-selected patients was performed. One measurement with GT and three subsequent measurements with Proview® were taken by the same investigator. The number of failed attempts to visualize the phosphene was recorded. We evaluated each eye separately to observe the possible learning effect. Results: The intraocular pressure (IOP) mean with Proview® is 5 mm Hg higher than the GT (p<0.001). The coefficient of correlation between both instruments is low (R = 0.67; R2=0.45) in the right eye (RE). The difference between maximum and minimum values of the 3 measurements taken with the Proview® was 3.21 (SD: 1.73) mm Hg in RE. The failed attempts to see the phosphene were 5.14 (SD: 2.39) in RE and 4.93 (SD: 2.78) in left eye (p>0.05). Conclusions: The Proview® tonometer showed low accuracy and reproducibility in comparison with the GT. This tonometer requires a long learning process before phosphene visualization. The results demonstrated that this tonometer is not clinically useful, except in patients with serious corneal diseases which make measurement with GT very difficult
Permanent link: http://hdl.handle.net/10171/23282
Appears in Collections:DA - CUN - Oftalmología - Artículos de revista

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