Chessboard Polarized Variable Vectograph104200
The Chessboard Polarized Variable Vectograph offers a three-dimensional picture used to strengthen binocular system and providing base-in and/or base-out vision training. Different objects in the vectograph are at varying Depth Levels (Degrees of Arc) and Image Orientation.
- Range of 6,300 seconds of arc stereopsis depth
- Total accommodation range of 40 diopters