title: Determining scotopic pupil size.
authors.forename: Arshad M
authors.initials: AM
authors.lastname: Khanani
authors.forename: Sandra M
authors.initials: SM
authors.lastname: Brown
mesh_terms: D003623:Dark Adaptation; D003941:Diagnostic Techniques, Ophthalmological / Q000592:standards*; D006801:Humans; D007259:Infrared Rays; D007498:Iris / Q000033:anatomy & histology*; D010781:Photography / Q000295:instrumentation; D011680:Pupil; D015203:Reproducibility of Results