Document Detail


Changes in rod sensitivity through adulthood.
MedLine Citation:
PMID:  2759789     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Absolute thresholds of 23 subjects 19-61 years of age were determined for three wavelengths at six retinal eccentricities in the horizontal meridian (2.5 degrees-30 degrees). The raw data were corrected for prereceptoral light losses that may be age-dependent. Lens density was estimated for each subject by comparing scotopic spectral sensitivity with the absorption spectrum of rhodopsin. Macular pigment density was estimated by comparing macular sensitivity with peripheral sensitivity. Average dark-adapted pupil size at each age was taken from published values. After correction for these prereceptoral light losses, changes in rod sensitivity with age were not significant at any retinal locus tested.
Authors:
E Pulos
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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:  Investigative ophthalmology & visual science     Volume:  30     ISSN:  0146-0404     ISO Abbreviation:  Invest. Ophthalmol. Vis. Sci.     Publication Date:  1989 Aug 
Date Detail:
Created Date:  1989-09-18     Completed Date:  1989-09-18     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7703701     Medline TA:  Invest Ophthalmol Vis Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1738-42     Citation Subset:  IM    
Affiliation:
Department of Ophthalmology, University of Wisconsin, Madison 53792.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aging / physiology*
Contrast Sensitivity
Dark Adaptation
Humans
Lens, Crystalline / metabolism
Macula Lutea / metabolism
Middle Aged
Photoreceptor Cells / physiology*
Pigmentation
Rhodopsin / analysis
Sensory Thresholds
Vision, Ocular / physiology
Grant Support
ID/Acronym/Agency:
EY-03084/EY/NEI NIH HHS
Chemical
Reg. No./Substance:
9009-81-8/Rhodopsin

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


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