Cone Aperture Size


MacLeod, Williams and Makous (1992)

from Table 1 on page 357
Width at half-height (arc sec)
Simultaneous PresentationSuccessive presentation
ObserverFoveaConfidence limits3.8 degreesFovea
WM16.013.3-18.5--14.4
DW12.610.5-15.239.716.4
DM11.92.1-16.646.315.9
Mean13.58.0-19.043.015.5
Standard Deviation2.194.671.15
Standard Error1.273.30.67
Anatomical estimates27.677.627.6