Vectographic Projector Slide
Adult Slide
This adult projector slide test depth perception and binocularity under distance conditions. The top portion of each slide is a standard non-vectographic projector slide. The bottom portion is a vectographic slide that contains suppression control targets, a distance stereo acuity test, fixation disparity and binocular balance. These slides fit most standard A-O and Marco projectors, and are adaptable to a 10′ or 20′ lane. REQUIRES POLARIZING SCREEN.