Document Detail

Effect of optical aberrations on the color appearance of small defocused lights.
MedLine Citation:
PMID:  20448760     Owner:  NLM     Status:  MEDLINE    
We investigated influences of optics and surround area on color appearance of defocused, small narrow band photopic lights (1' arc diameter, lambda(max) 510-628 nm) centered within a black annulus and surrounded by a white field. Participants included seven normal trichromats with L- or M-cone biased ratios. We controlled chromatic aberration with elements of a Powell achromatizing lens and corrected higher-order aberrations with an adaptive optics system. Longitudinal chromatic aberrations, but not monochromatic aberrations, are involved in changing appearance of small lights with defocus. Surround field structure is important because color changes were not observed when lights were presented on a uniform white surround.
Preeti Gupta; Huanqing Guo; David A Atchison; Andrew J Zele
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of the Optical Society of America. A, Optics, image science, and vision     Volume:  27     ISSN:  1520-8532     ISO Abbreviation:  J Opt Soc Am A Opt Image Sci Vis     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-07     Completed Date:  2010-09-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9800943     Medline TA:  J Opt Soc Am A Opt Image Sci Vis     Country:  United States    
Other Details:
Languages:  eng     Pagination:  960-7     Citation Subset:  IM    
School of Optometry and Institute of Health & Biomedical Innovation, Queensland University of Technology, Kelvin Grove 4059 Q, Australia.
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MeSH Terms
Color Vision / physiology*,  radiation effects*
Eye Diseases / physiopathology*
Middle Aged

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