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STEREOTEST LANG 1 (DISCONTINUED)

81174
This product is currently not available.
€130.00 *

Prices plus VAT plus shipping costs

Delivery time appr. more than 5 working days

2% online discount

If you buy 1 of the products of this action, you will receive a discount of 2% .

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2% online discount

Product of the month January:

The new FFP2 mask with CE made in Germany - order your 20 pack now at the discounted price! :-)

  • Order number: 81174
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Description
Stereo test LANG 1 (Art. No.: 81174) - ITEM DISCONTINUED The stereo test LANG 1 is User for... more
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Product information "STEREOTEST LANG 1 (DISCONTINUED)"

Stereo test LANG 1 (Art. No.: 81174) - ITEM DISCONTINUED



The stereo test LANG 1 is User for testing 3D vision without polarized glasses.

IMPORTANT INFORMATION ABOUT AVAILABILITY


This product has been discontinued by the mafucaturer. Limited stock is still available at VISUS. The new product 81182 is called "Stereotest LANG I-R".

Functional details



This test was invented by the Swiss eye doctor Joseph Lang, and it is used for testing the stereo vision. The Chart has the size of a postcard and shows three pictures with different disparities from 1.200, 600 and 550 arch seconds. The LANG 1 test (as well as LANG 2) is a quick screening method for 3D vision, also to distinguish pseudo strabism from real strabism.

Technical details 



Special surface (no polarized glasses needed)


Postcard sized chart with 3 images


Test images with 1200, 600 and 550 arch seconds

Differences between LANG 1 and LANG 2 



The stereo test LANG 2 (Art.-Nr.: 81175) has a a fourth image (star), that can be seen without stereo vision.
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