Applanation tonometry and correction according to corneal thickness
Applanation tonometry and correction according to corneal thickness
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DOI：
10.1034/j.1600-0420.1998.760313.x
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发表时间：
1998-06-01
期刊：
影响因子：
--
通讯作者：
Stodtmeister, R
中科院分区：
文献类型：
--
作者：
Stodtmeister, R
目的：在以前的研究中，已经表明中央角膜厚度影响压平眼压计的测量值，本研究的目的是回答这样一个问题，即在参加眼科实践的患者中，基于角膜厚度的眼压计读数的哪些值和以什么频率进行校正。在医疗实践中普遍存在的条件下，使用超声测厚法测量了579例患者的角膜厚度;根据获得的厚度，计算了眼内压的校正值。结果：在接受检查的一半患者中发现了+/-2 mm Hg及以上的校正值，在四分之一的患者中发现了+/-3 mm Hg及以上的校正值。校正值为+/-4毫米汞柱，更多的每五patient.Conclusions：角膜厚度，事实上，影响压平眼压测量的结果，临床相关程度。
Purpose: In previous studies, it has been shown that the central corneal thickness influences the measurement values of applanation tonometry, The aim of this study is to answer the question as to which values and with what frequency the tonometer readings as based on corneal thickness have tea be corrected in the patients attending an ophthalmic practice.Subjects and methods: The corneal thickness was measured in 579 patients using ultrasound pachymetry under the conditions prevailing in a medical practice; from the thickness obtained, the correction values for intraocular pressure were calculated.Results: Correction values of +/-2 mm Hg and above were found in half of the patients examined, and correction values of +/-3 mm Hg and above in a good quarter of the patients. The correction value was +/-4 mm Hg and more in every fifth patient.Conclusions: Corneal thickness does, in fact, influence the results of applanation tonometry to a clinically relevant degree.