Stereo Insect and Random Dot Polarized  tests from Good-Lite (Formerly Richmond Products, Inc.)

These polarized stereo tests provide accurate measurement of stereopsis. These tests come with a choice of polarized glasses. The original comes with 0.006" thick film lenses slipped into a thin plastic frame with plastic temples. The other choice includes Richmond’s new P/N 4465 Polycarbonate polarized hard lenses mounted in a sturdy metal frame.