Lang Stereotest® II

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Lang Stereotest® II for Vision Screening Exams

The Lang Stereotest is an easy-to-use screening test designed for early detection of problems with stereoscopic vision in children and adults without the need for dissociating glasses.
It is suitable for children as young as 30 months by identifying pictures on a card. The test is simple, quick to use, and fun for the child.
Each card shows three objects to be recognized, which assess three different levels of stereo acuity. There are two versions of the test. The Lang Stereotest® contains a star in addition that can be seen with only one eye.
  • LANG II (elephant, car, moon) measures from 600 to 200 seconds of arc plus a monocular clue (star).
This simple test is designed for stereopsis screening in children based on two principles, random dots, and cylinder gratings.
  • Schools worldwide are utilizing the Lang Stereotest® for vision screenings.
  • Pediatricians use it for vision screening exams.
  • In binocular vision, stereoscopic shapes are recognized.
SKU: 7002 Categories: ,


Vision screenings for the early detection of vision problems is one the easiest preventative tasks that can be carried out at the pediatricians office and at school. 
Vision screenings can identify disorders such as strabismus and amblyopia early when it is possible to treat.
The Lang Stereotest® make it possible to quickly determine whether or not the child have intact stereoscopic vision.


  • No glasses are required which will often distract a child.
  • The patient’s eye movements are easily observed without glasses.
  • Pocket sized.

Lang II
Disparity = Moon 200″, Car 400″, Elephant 600″, Star monocular visible.

Weight: 54g
Dimensions: 14.5cm x 9.5cm
Country of origin: Switzerland


Additional information

Weight 0.30 lbs
Dimensions 6.5 × 4.5 × .25 in


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