title: Duration of pupillary constriction in response to a photographic flash.
authors.forename: Sandra M
authors.initials: SM
authors.lastname: Brown
authors.forename: Jay C
authors.initials: JC
authors.lastname: Bradley
authors.forename: Arshad M
authors.initials: AM
authors.lastname: Khanani
mesh_terms: D016477:Artifacts; D001837:Body Weights and Measures; D003623:Dark Adaptation; D003941:Diagnostic Techniques, Ophthalmological; D006801:Humans; D007498:Iris / Q000033:anatomy & histology*; D015588:Observer Variation; D010781:Photography / Q000379:methods*; D011680:Pupil / Q000502:physiology* / Q000528:radiation effects*; D015203:Reproducibility of Results; D013997:Time Factors