Pupil diameter

Range 1-8 mm
Organism Human Homo sapiens
Reference John Moran eye center, Uni. of Utah, Webvision, the organization of the retina and visual system, Helga Kolb, Eduardo Fernandez and Ralph Nelson, link
Primary Source Wandell, B.A. (1995) Foundations of Vision. Sinauer Associates, Inc. Sunderland, Massachussets.
Comments See Rushton 1965 PMID 14296430 p.20 bottom sentence:"The pupil diameter lies between 2 and 8 mm, which can only provide a change in area of 16 times to deal with the 10^10 light span."
Entered by Uri M
ID 105349