Comparison of rebound tonometry with Goldmann applanation tonometry and correlation with central corneal thickness

Iliev, M E; Goldblum, D; Katsoulis, K; Amstutz, C; Frueh, B (2006). Comparison of rebound tonometry with Goldmann applanation tonometry and correlation with central corneal thickness. British journal of ophthalmology, 90(7), pp. 833-5. London: BMJ Publishing Group 10.1136/bjo.2005.089870

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BACKGROUND/AIMS: Rebound tonometry (RT) is performed without anaesthesia with a hand held device. The primary aim was to compare RT with Goldmann applanation tonometry (GAT) and to correlate with central corneal thickness (CCT). The secondary aim was to prove tolerability and practicability of RT under "study conditions" and "routine practice conditions." METHODS: In group 1 (52 eyes/28 patients), all measurements were taken by the same physician, in the same room and order: non-contact optical pachymetry, RT, slit lamp inspection, GAT. Patients were questioned about discomfort or pain. In group 2 (49 eyes/27 patients), tonometry was performed by three other physicians during routine examinations. RESULTS: RT was well tolerated and safe. Intraocular pressure (IOP) ranged between 6 mm Hg and 48 mm Hg. No different trends were found between the groups. RT tended to give slightly higher readings: n = 101, mean difference 1.0 (SD 2.17) mm Hg; 84.1% of RT readings within plus or minus 3 mm Hg of GAT; 95% confidence interval in the Bland-Altman analysis -3.2 mm Hg to +5.2 mm Hg. Both RT and GAT showed a weak positive correlation with CCT (r2 0.028 and 0.025, respectively). CONCLUSIONS: RT can be considered a reliable alternative for clinical screening and in cases where positioning of the head at the slit lamp is impossible or topical preparations are to be avoided.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ophthalmology

UniBE Contributor:

Iliev, Milko Emilov, Goldblum, David, Früh Epstein, Beatrice






BMJ Publishing Group




Factscience Import

Date Deposited:

04 Oct 2013 14:45

Last Modified:

05 Dec 2022 14:14

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URI: (FactScience: 1105)

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