Test-retest repeatability of the pupil light response to blue and red light stimuli in normal human eyes using a novel pupillometer.

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Serval ID
serval:BIB_FF8DBC356904
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Test-retest repeatability of the pupil light response to blue and red light stimuli in normal human eyes using a novel pupillometer.
Journal
Frontiers In Neurology
Author(s)
Herbst K., Sander B., Milea D., Lund-Andersen H., Kawasaki A.
ISSN
1664-2295 (Electronic)
ISSN-L
1664-2295
Publication state
Published
Issued date
2011
Peer-reviewed
Oui
Volume
2
Pages
10
Language
english
Notes
Publication types: Journal ArticlePublication Status: epublish
Abstract
In this study, we evaluated the repeatability of pupil responses to colored light stimuli in healthy subjects using a prototype chromatic pupillometer. One eye of 10 healthy subjects was tested twice in the same day using monochromatic light exposure at two selected wavelengths (660 and 470 nm, intensity 300 cd/m(2)) presented continuously for 20 s. Pupil responses were recorded in real-time before, during, and after light exposure. Maximal contraction amplitude and sustained contraction amplitude were calculated. In addition, we quantified the summed pupil response during continuous light stimulation as the total area between a reference line representing baseline pupil size and the line representing actual pupil size over 20 s (area under the curve). There was no significant difference in the repeated measure compared to the first test for any of the pupil response parameters. In conclusion, we have developed a novel prototype of color pupillometer which demonstrates good repeatability in evoking and recording the pupillary response to a bright blue and red light stimulus.
Pubmed
Open Access
Yes
Create date
18/04/2011 18:56
Last modification date
20/08/2019 16:29
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