Made from high grade matte cloth, feint stitched with intersecting parabolae at each 5° generated for use at 50cm. Cardinal points are more boldly stitched at each of the 15° and 30° intersects.
At low levels of illumination the stitching is virtually invisible to the patient wearing Diplopia goggles.
Supplied with one red and one green battery operated Foster torch, Diplopia goggles, pad of charts, slats and cord suspension.
