Adult Vectorgraphic Slide

Adult Vectorgraphic Projector Slides. Sloan Letter Monocular from 20/100 to 20/15, Astigmatic Clock, Acuity Balance from 20/30 to 20/20, Acuity Suppression from 20/40 to 20/25, Binocular Acuity from 20/30 to 20/15, Fixation Disparity (with/without fusion lock), and Stereopsis with 260-73 seconds of arc.