Lang Stereopad®

Lang Stereopad for Testing Global Near Stereopsis

The LANG-STEREOPAD® is a new device for testing global near stereopsis. Suitable for all age groups, including preverbal children (less than one year).

The Lang Stereopad, similarly to the Lang Stereotests I and II, combines Random Dots with a lenticular surface but offers more sophisticated assessments of stereopsis. Magnetic test cards are shown individually or in pairs on a handy red double-sided test panel. The test does not require specific glasses and is highly sensitive to global stereopsis. It has no monocular clues and is ideal for preferential-looking testing of infants and preverbal children.

In a pilot sample* of 240 orthotropic children between 1 and 10 years, all 33 aged less than two years could be tested with the Lang Stereopad prototype, but none of them with the TNO-Test.

            *A. Piantanida, Italy 2017

The Lang Stereopad comprises an A5 double-sided test panel and 6 magnetic test cards with the following disparities 1000’’ (star), 600’’ (car), 400’’ (cat), 200’’(moon), 100’’ (sun), 50’’ (star). It also includes an instruction brochure and storage box. Please note that the magnetic monopod shown in the gallery image is not included in this set.

No Guessing is possible.  NO Glasses required.

The Magnet used to hold or to display is extra.