Document Detail

Contrast sensitivity testing: a more complete assessment of vision.
MedLine Citation:
PMID:  2724114     Owner:  NLM     Status:  MEDLINE    
Contrast sensitivity testing is a powerful tool for determining the capability of the visual system to process spatial and temporal information about the everyday objects we see. The current gold standard in the assessment of vision, visual acuity, provides only a limited amount of information, obtained under artificial conditions. Contrast sensitivity testing measures a range of visual performance under real-life conditions. It measures the least amount of contrast needed to detect a visual stimulus and gives us a more complete quantitization of patients' visual capabilities. Many instances in which losses in contrast sensitivity were detected when visual acuity (one point on the contrast sensitivity function) was normal have been reported. These include amblyopia, neuro-ophthalmology, retina, anterior segment disease, and glaucoma. Therefore, contrast sensitivity testing enables the clinician to diagnose selective deficits in visual processing at an earlier stage than is possible with conventional testing methods.
L F Jindra; V Zemon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cataract and refractive surgery     Volume:  15     ISSN:  0886-3350     ISO Abbreviation:  J Cataract Refract Surg     Publication Date:  1989 Mar 
Date Detail:
Created Date:  1989-07-13     Completed Date:  1989-07-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8604171     Medline TA:  J Cataract Refract Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  141-8     Citation Subset:  IM    
Wills Eye Hospital, Philadelphia, Pennsylvania.
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MeSH Terms
Amblyopia / diagnosis
Anterior Eye Segment / physiopathology
Contrast Sensitivity*
Glaucoma / diagnosis
Optic Nerve Diseases / diagnosis
Retinal Diseases / diagnosis
Vision Tests / methods*
Visual Acuity*

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

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