| On the Stiles-Crawford effect with age. | |
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MedLine Citation:
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PMID: 9152246 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To determine whether the Stiles-Crawford effect remains stable after subjects have aged 30 years. METHODS: The relative luminous efficiency as a function of pupil position (Stiles-Crawford effect) was determined for the same seven subjects on the same apparatus in the 1960s and in 1995. The pupil opening was traversed nine times, at 20 degrees azimuth intervals. Data were fit with a revolution paraboloid yielding a peak position (x0, y0) and a peakedness (rho). RESULTS: Two of seven subjects showed a significant, but small, decrease in rho, and the other five showed, no change. No clear outcome in x0, y0 changes could be reported because of differences in pupil dilation then and now. CONCLUSIONS: Although exceptions are found on the stability of the Stiles-Crawford effect with age, the authors can still conclude that it is stable. |
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Authors:
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P J DeLint; J J Vos; T T Berendschot; D van Norren |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Investigative ophthalmology & visual science Volume: 38 ISSN: 0146-0404 ISO Abbreviation: Invest. Ophthalmol. Vis. Sci. Publication Date: 1997 May |
Date Detail:
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Created Date: 1997-06-09 Completed Date: 1997-06-09 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 7703701 Medline TA: Invest Ophthalmol Vis Sci Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1271-4 Citation Subset: IM |
Affiliation:
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Helmholtz Institute, Department of Ophthalmology, Utrecht University, The Netherlands. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aging / physiology* Humans Light* Middle Aged Models, Biological* Pupil / physiology* Vision, Ocular / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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