Test de Lang I-R

The Lang stereotest® I-R is a revised version of the Lang-Stereotest® I. This revised version has improved optical and print quality over the earlier version and has no monocular clues when used correctly. Also new is a quick reference guide in English on the back of the test card, with schematic diagram for correct use, mirror image arrangement of stereo objects and typical pattern of eye movements in stereopositive subjects.

3D test figures and cross-disparities of the Lang-Stereotest® I-R

• CAT 1200’’
• STAR 600’’
• CAR 400’’
• Reading distance: 30-40 cm (10-15 inches)