Polarized Variable Vectograph: Pool Balls

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The Pool Balls Polarized Variable Vectograph offers a three-dimensional picture used to strengthen the binocular system and provide base-in and/or base-out vision training. Differe nt objects in the vectograph are at varying depth levels (degrees of arc) and image orientation. Features: Range of 7,350 seconds of arc stereopsis depth Total accommodation range of 40 diopters Suppression check using pool balls Includes the right & left vectographs, a guide, and standard polarized glasses. Show more