Document Detail

Establishing the threshold prior to single and multiple stimulus supra-threshold strategies.
MedLine Citation:
PMID:  8524568     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to establish whether the routines used to establish the threshold at the beginning of single and multiple stimulus supra-threshold strategies yield the same values and whether data from one strategy can, therefore, be compared with those from the other without having to compensate for a difference in test intensities. Single stimulus and multiple stimulus supra-threshold strategies were conducted on 79 subjects using a Henson 4000 perimeter. On average the multiple stimulus strategy gave a value 0.095 dB higher than the single stimulus strategy. The differences between the two strategies was so small that results from the two strategies can be compared without having to compensate for any changes in the supra-threshold test intensity.
D B Henson; S Agnihotri
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)     Volume:  15     ISSN:  0275-5408     ISO Abbreviation:  Ophthalmic Physiol Opt     Publication Date:  1995 Sep 
Date Detail:
Created Date:  1996-01-22     Completed Date:  1996-01-22     Revised Date:  2006-11-07    
Medline Journal Info:
Nlm Unique ID:  8208839     Medline TA:  Ophthalmic Physiol Opt     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  421-3     Citation Subset:  IM    
Department of Optometry and Vision Sciences, Cardiff University, UK.
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MeSH Terms
Middle Aged
Perimetry / methods
Photic Stimulation
Sensory Thresholds / physiology*
Visual Fields / physiology*

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

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