Document Detail

Radio telemetry of intraocular pressure in vitro.
MedLine Citation:
PMID:  832977     Owner:  NLM     Status:  MEDLINE    
A guard ring pressure transensor, using the principles of surface applanation, was used to transmit intraocular pressure (IOP) from a cadaver canine eye. The transensor consisted of a passive resonant coil/capacitor combination, made pressure sensitive by the movement of a small ferrite plate which acted as its applanating surface. Oscillation induced in the transensor by a remote grid dip oscillator (GDO) was monitored by a digital frequency counter (DFC). The resonant frequency of oscillation in the transensor bore a linear relationship to the in vitro IOP in three separate experiments (coefficient of determination for linear regression, r2 equals 0.90). These data indicate that radio telemetry is feasible, using a miniature applanating passive radio telemetric device for continual monitoring of IOP.
R L Cooper; D Beale
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Investigative ophthalmology & visual science     Volume:  16     ISSN:  0146-0404     ISO Abbreviation:  Invest. Ophthalmol. Vis. Sci.     Publication Date:  1977 Feb 
Date Detail:
Created Date:  1977-03-31     Completed Date:  1977-03-31     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7703701     Medline TA:  Invest Ophthalmol Vis Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  168-71     Citation Subset:  IM    
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MeSH Terms
Intraocular Pressure*

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