Document Detail


Psychophysical estimates of ocular media density of human infants.
MedLine Citation:
PMID:  2626826     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The ocular media densities of eleven 10-week-old infants and of 10 adults were estimated from dark adapted thresholds measured using a two alternative forced choice preferential looking method. The estimated media density at 400 nm derived from these thresholds ranged from 0.55 to 1.00 (median 0.75) log units for infants, and from 1.35 to 1.69 (median 1.46) log units for young adults. This indicates media density increases significantly (0.71 log units) between infancy and adulthood. These data allow more complete specification of the retinal stimulus for quantitative analysis of infants' retinal function.
Authors:
R M Hansen; A B Fulton
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Vision research     Volume:  29     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  1989  
Date Detail:
Created Date:  1990-03-30     Completed Date:  1990-03-30     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  687-90     Citation Subset:  IM    
Affiliation:
Department of Ophthalmology, Children's Hospital, Boston, MA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aging / physiology
Calibration
Dark Adaptation
Eye / growth & development*
Humans
Infant
Lens, Crystalline / physiology
Psychophysics
Retina / physiology
Sensory Thresholds
Grant Support
ID/Acronym/Agency:
EY 05325/EY/NEI NIH HHS

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