Document Detail

Dynamic contour tonometry: principle and use.
MedLine Citation:
PMID:  17181613     Owner:  NLM     Status:  MEDLINE    
Interindividual variability of central corneal thickness has been found to be a source of error for conventional Goldmann applanation tonometry. The dynamic contour tonometer represents a potentially new technology for non-invasive and direct intraocular pressure (IOP) measurement, and has been proposed to accurately measure the true IOP irrespective of the corneal thickness. It is based on the principle that when the tip of the device exactly matches the contour of the cornea, the pressure measured by a transducer placed on its tip is an accurate indicator of the true IOP. This device is also capable of measuring the ocular pulse amplitude, a variable that has controversial significance in the diagnosis and management of glaucoma. Even though this technique seems to be very promising, further studies are required to conclusively determine the effectiveness of the dynamic contour tonometer in patients having an abnormal or irregular corneal contour.
Omar S Punjabi; Christoph Kniestedt; Robert L Stamper; Shan C Lin
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Clinical & experimental ophthalmology     Volume:  34     ISSN:  1442-6404     ISO Abbreviation:  Clin. Experiment. Ophthalmol.     Publication Date:  2006 Dec 
Date Detail:
Created Date:  2006-12-21     Completed Date:  2007-02-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100896531     Medline TA:  Clin Experiment Ophthalmol     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  837-40     Citation Subset:  IM    
Department of Ophthalmology, University of California, San Francisco School of Medicine, San Francisco, California, USA.
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MeSH Terms
Equipment Design
Glaucoma / diagnosis*,  physiopathology
Intraocular Pressure / physiology*
Tonometry, Ocular / instrumentation*

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