Volume 16, Issue 4 (Scientific Journal of Hamadan University of Medical Sciences-Winter 2010)                   Avicenna J Clin Med 2010, 16(4): 20-25 | Back to browse issues page

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Sorkhabi R, Khatibian P. Comparison of the Accuracy of Intraocular Pressure Measurement with Three Tonometer Pulsair Easy Eye, Tonopen and Goldmann. Avicenna J Clin Med 2010; 16 (4) :20-25
URL: http://sjh.umsha.ac.ir/article-1-294-en.html
1- , Sorkhabi_r@yahoo.com
Abstract:   (5084 Views)

Introduction & Objective: The measurement of Intraocular pressure (IOP) is very important not only in the diagnosis and management of glaucomatous conditions but also in any ophthalmologic examination. So this study was designed to compare the results of noncontact pulsair and tononpen tonometry with goldmann known as gold standard method.

Materials & Methods: In this cross sectional study on 150 patients after a complete ophthalmic examination tonometry was performed with goldmann (G), pulsair (P) and tonopen (T). Mean values obtained from the three methods and the difference between the first two methods and G were measured and with descriptive statistical methods, t tests and regression tests were analyzed.

Results: Mean measured IOP with P was greater than G and T (P=0.03). Correlation coefficient between the 3 methods was acceptable (r2=0.71). Mean difference between P and G does not differs significantly from 0 (P=0.19), but this value between T and G differs significantly from 0 (P=0.02). Both T and P underestimate IOP in high ranges.

Conclusion: Both T and P tonometry measures have acceptable accuracy in comparison with G, but in suspicious cases such as glaucoma or ocular hypertension G is better as a gold standard method.

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Type of Study: Original | Subject: Other Clinical Specialties

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