title: Visual optics: the shapes of pupils.
authors.affiliation: Department of Biology and Environmental Science, University of Sussex, Brighton BN1 9QG, UK. m.f.land@sussex.ac.uk
authors.forename: Michael F
authors.initials: MF
authors.lastname: Land
mesh_terms: D000818:Animals; D003116:Color; D003118:Color Perception; D005123:Eye / Q000033:anatomy & histology; D005399:Fishes / Q000033:anatomy & histology / Q000502:physiology; D007908:Lens, Crystalline / Q000502:physiology; D008027:Light; D011680:Pupil; D012029:Refraction, Ocular; D014714:Vertebrates / Q000033:anatomy & histology* / Q000502:physiology; D014785:Vision, Ocular / Q000502:physiology*