Document Detail

Modification and calibration of the Bigliano-Webb Tonometer for improved accuracy of tonometry in rabbits.
MedLine Citation:
PMID:  2707039     Owner:  NLM     Status:  MEDLINE    
The Bigliano-Webb Tonometer (Pneumatonograph) was calibrated for adult and young rabbit eyes using open stopcock and closed stopcock methods. The performance of an old and new instrument were compared illustrating the importance of recent calibration of the instrument for most accurate use. The fact that this tonometer is a high displacement tonometer which requires specific calibration, not only for species but for age of the animal (or size of the eye) is illustrated. A minor modification of the instrument--reducing the setting of a pressure regulator which supplies gas to the tip from its nominal 9 PSI to 2.5 PSI--is illustrated as a method of reducing the difference between intraocular pressure before tonometry and during tonometry, Pt-Po.
T R Neault; D Cooke; R F Brubaker
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Current eye research     Volume:  8     ISSN:  0271-3683     ISO Abbreviation:  Curr. Eye Res.     Publication Date:  1989 Jan 
Date Detail:
Created Date:  1989-06-02     Completed Date:  1989-06-02     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8104312     Medline TA:  Curr Eye Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  9-15     Citation Subset:  IM    
Department of Ophthalmology, Mayo Clinic and Foundation, Rochester, MN 55905.
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MeSH Terms
Chlorofluorocarbons, Methane / diagnostic use
Equipment Design
Intraocular Pressure
Nitrogen / diagnostic use
Rabbits / physiology*
Tonometry, Ocular / instrumentation*
Grant Support
Reg. No./Substance:
0/Chlorofluorocarbons, Methane; 7727-37-9/Nitrogen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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