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The Eye as a Detector
21 other sections not shown
absolute threshold absorption acuity adaptation angle assess axis axon bars bipolar cells border Boynton brightness chapter chromatic computed constant cornea curve determined diameter disk distance distribution effect entrance pupil equation example exit pupil experiment experimental flash fovea ganglion cells graph grating Hurvich index of blur interval layer lens line spread function linear luminance match measurement method minutes of arc modulation neural normal observer optical perceived peripheral photon photopic vision photopigments photoreceptors Physiol pigment epithelium plotted point source point spread function psychophysical ratio receptive fields receptors refraction represents response retina retinal illuminance rhodopsin rods and cones sample scale sclera scotopic sensitivity functions shown in Fig signal spatial frequency spectral sensitivity spectrum spherical aberration Stiles stimulus intensity stray light suprathreshold surface temporal transmittance values visibility Vision Res visual mechanism wave wavelength Wyszecki