Photoreceptor inputs to pupil control.
Journal
Journal of vision
ISSN: 1534-7362
Titre abrégé: J Vis
Pays: United States
ID NLM: 101147197
Informations de publication
Date de publication:
01 08 2019
01 08 2019
Historique:
entrez:
16
8
2019
pubmed:
16
8
2019
medline:
31
1
2020
Statut:
ppublish
Résumé
The size of the pupil depends on light level. Watson and Yellott (2012) developed a unified formula to predict pupil size from luminance, field diameter, age, and number of eyes. Luminance reflects input from the L and M cones in the retina but ignores the contribution of intrinsically photosensitive retinal ganglion cells (ipRGCs) expressing the photopigment melanopsin, which are known to control the size of the pupil. We discuss the role of melanopsin in controlling pupil size by reanalyzing an extant data set (Bouma, 1962). We confirm that melanopsin-weighted quantities, in conjunction with Watson and Yellott's formula, adequately model intensity-dependent pupil size. We discuss the contributions of other photoreceptors into pupil control.
Identifiants
pubmed: 31415056
pii: 2748647
doi: 10.1167/19.9.5
pmc: PMC6699792
doi:
Substances chimiques
Rod Opsins
0
melanopsin
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5Subventions
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Wellcome Trust
ID : 204686/Z/16/Z
Pays : United Kingdom
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