CVD (version 1.0.2)

lightAdaptedPupilSize.Barten: pupil diameter ranges from Barten, L. (1999)

Description

lightAdaptedPupilSize.Barten computes the pupil diameter ranges from Barten, L. (1999).

Usage

lightAdaptedPupilSize.Barten(L=NULL, a=NULL)

Arguments

L

luminance in cd m^-2

a

area in deg^2

Value

References

Watson A. B., Yellott J. I. (2012). A unified formula for light-adapted pupil size. Journal of Vision, 12(10):12, 1–16. http://journalofvision.org/12/10/12/, doi:10.1167/5.9.6. Barten, P. G. J. (1999). Contrast sensitivity of the human eye and its effects on image quality. Bellingham, WA: SPIE Optical Engineering Press.

Examples

# Pupil diameter in mm for luminance = 1 cd m^-2, field diameter = 30 degrees
## Not run: lightAdaptedPupilSize.Barten(1,30^2)