title: Dichoptic color perception and the X-chrom lens.
abstract: Dichoptic color experiments were performed with color normals and with protanopes and deuteranopes. Different targets were presented to each eye in a stereoscope. Experiment 1 used homogeneous chromatic targets. Experiment 2 involved black and white photographs taken and viewed through various filters. Experiment 3 utilized a dichromat wearing an X-Chrom lens. The experiments indicate that the cortical perception achieved by summing input of each eye when one eye has a filter in front of it may aid color discrimination for dichromats.
mesh_terms: D003118:Color Perception; D003119:Color Perception Tests / Q000295:instrumentation* / Q000379:methods; D003117:Color Vision Defects / Q000503:physiopathology* / Q000628:therapy; D003261:Contact Lenses / Q000592:standards*; D006801:Humans