Abstract
In this study, we measured the wavelength difference limit for binocular color vision about peripheral visual field, using a three-dimensional display to present dichoptic stimuli to the left and right eye, respectively. The size of stimulus was 2° arc of visual angle, the wavelength range of the stimuli was selected from 450nm to 650nm, and the brightness of the experimental stimuli was set 15cd/m2. The results suggest that color fusion occurs more difficult with central visual field more than peripheral vision. More importantly, it offers the basis of important fundamental data for some important optical instrument, for example the design of optical microscope etc.
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