pupil diameter ranges from Watson A. B., Yellott J. I. (2012)

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Description

lightAdaptedPupilSize.WatsonAndYellott computes the pupil diameter ranges from Watson A. B., Yellott J. I. (2012).

Usage

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lightAdaptedPupilSize.WatsonAndYellott(L=NULL, a=NULL, y=NULL, y0=NULL, e=NULL)

Arguments

L

luminance in cd m^-2

a

area in deg^2

y

age in years

y0

reference age

e

number of eyes (1 or 2)

Value

PupilSize

Pupil size in mm

Author(s)

Jose Gama

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://www.ncbi.nlm.nih.gov/pubmed/23012448

Examples

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# Pupil diameter in mm for luminance = 1 cd m^-2, field diameter = 30 degrees,
# age=45, estimated reference age = 28.58, eyes = 2
## Not run: lightAdaptedPupilSize.WatsonAndYellott(1,30^2,45,28.58,2)

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