The Method of Application of the Tonometer
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منابع مشابه
Carotid-femoral pulse wave velocity assessment using novel cuff-based techniques: comparison with tonometric measurement.
BACKGROUND Carotid-femoral pulse wave velocity, a predictor of cardiovascular outcome, is conventionally measured using a tonometer sequentially placed upon the carotid and femoral arteries, gated using an electrocardiogram. Leg cuff detection of the femoral pulse removes the need for signal gating, reduces the time required for a single measurement, but gives different pulse wave velocity valu...
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DURING the 11 years in which the clinical measurement of facility of outflow by means of tonography has been practised, various workers have sought to elucidate and correct the sources of error inherent in this method. One of the assumptions originally made concerning tonography was that the episcleral venous pressure was not disturbed during the measurement. Friedenwald (Grant, 1951) and Becke...
متن کاملIntra-Ocular Pressure Measurements by Canon TX-F Pulsair Tonometer and Goldmann Applanation Tonometer
Background: To analyze the limits of agreement for the intraand inter-session measurements of intra-ocular pressure as measured by the Goldmann applanation tonometer and the Canon TX-F noncontact pulsair tonometer Methods: For this cross sectional study, 138 eyes of 138 cases of age > 16 years with no evidence of glaucomatous changes were recruited. Cases with astigmatism ≥ ±3.0 Diopters, corne...
متن کاملTwo-position measurement of intraocular pressure by PT100 noncontact tonometry in comparison with Goldmann tonometry
BACKGROUND The purpose of this study was to evaluate the precision of intraocular pressure measurements obtained by PT100 noncontact tonometry in a handheld and slit lamp-mounted position in comparison with that of Goldmann applanation tonometry in healthy young adults. METHODS Sixty eyes from 60 subjects (30 men and 30 women) aged 22 ± 1 (range 20-24) years participated in this study. Tripli...
متن کاملA recording tonometer.
THE measurement of the resistance to outflow of the aqueous humour by the procedure of tonography has recently aroused interest in the continuous recording of the intra-ocular pressure (IOP). There are, in addition, numerous other physiological and clinical investigations which could be performed if it were possible to obtain a continuous and accurate record of the IOP in human subjects. Such r...
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عنوان ژورنال:
دوره 25 شماره
صفحات -
تاریخ انتشار 2017