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Summary

Comparative measurements of intraocular pressure of 200 eyes were statistical analyzed. Goldmann applanation tonometry was performed by the author and was accepted as a reference system for the measurements made by a technician using the Pneumatonograph, the GlaucoTest screening tonometer, the Halberg tonometer and the Schiötz tonometer. The technician was trained in the use of these instruments for two days. The Pneumatonograph results on seated patients were in good aggreement with the Goldmann readings. The Glauco-Test screening tonometer proved to be a good screening instrument for ocular hypertensives and required only a short period of training for the technician. The Halberg tonometer did not give precise readings of intraocular pressure, however, it was more difficult for technicians to use. The Schiötz tonometer appeared to be of limited value in screening tonometry. Some aspects of the influence of body position on i. o. pressure in the different tonometric procedures have been discussed.

Zusammenfassung

An 200 Augen wurden vergleichende Messungen des Augeninnendruckes mit fünf verschiedenen Tonometern durchgeführt. Die Applanationstonometrie nach Goldmann durch den Autor diente als Bezugssystem für die Augendruckmessungen mit dem Pneumotonographen, dem GlaucoTest Tonometer, dem Halberg Tonometer und dem Schiötz Tonometer, welche von einer technischen Hilfskraft durchgeführt wurden. Die technische Hilfskraft wurde über zwei Tage mit den Tonometern vertraut gemacht. Die Tonogramme des Pneumotonographen ergaben am sitzenden Patienten gute Übereinstimmung mit dem Goldmann Tonometer. Das GlaucoTest Tonometer erwies sich als gutes Gerät zur Reihenuntersuchung auf Glaukom und sehr gut handzuhaben für Hilfskräfte. Das Halberg Tonometer bewies im Vergleich mit dem Goldmann Tonometer geringere Präzision, jedoch war die Handhabung schwieriger als bei den anderen Instrumenten zur Reihenuntersuchung. Das Schiötz Tonometer zeigte sich als Instrument zur Reihenuntersuchung problematisch. Der Einfluß der Körperhaltung auf den intraokularen Druck bei den verschiedenen Meßverfahren wird diskutiert.

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The author is indebted to Mrs. M. Gholami and to Mr. J. Launer for skilful technical assistance.

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Krieglstein, G.K. Screening tonometry by technicians. Albrecht von Graefes Arch. Klin. Ophthalmol. 194, 221–229 (1975). https://doi.org/10.1007/BF00414668

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