News & Updates

Made in Switzerland - 100% Quality

Canada: New Importer and Distributor WhiteOP

Entry from 2026/04/24

Welcome to WhiteOP, our new importer and distribution partner in Canada. As a nationwide supplier to opticians, optometrists and ophthalmologists across Canada, WhiteOP has been proud to serve the Canadian optical industry for over 40 years. All Lang-Stereotest products are now available in Canada.

Latest entries


  • Widespread use of Lang-Stereotests, Lang-Stereopad and Lang fixation aids

    2026/05/29
  • Canada: New Importer and Distributor WhiteOP

    2026/04/24
  • New large-scale study on the validity of the Lang Stereopad for small-angle esotropia (microstrabismus)

    2025/12/28
  • New distributor for Senegal, Cameroon, Ivory Coast and Togo

    2025/12/26
  • New Study Confirms Validity of the Lang-Stereotests I-R and II-R

    2025/10/28

More news


  • Caution: Risk of confusion with Lang Stereotest II

    2025/10/01
  • WORLD ORTHOPTIC DAY 2025: Winners of LANG-STEREOTEST PICTURE CHALLENGE

    2025/07/08
  • LANG-STEREOTEST and RYSER medical at Swiss Orthoptics Annual Meeting

    2025/05/26
  • Instructions for use (IFU) language versions EU and EFTA countries

    2024/12/16
  • Accessories: red storage folder

    2024/12/16
  • Monogolia: Eye screening in children's check-ups

    2024/11/09
  • Lang-Stereotest II - End of sales in the EU

    2024/10/22
  • LANG-STEREOPAD: more reliable results with the preferential looking method.

    2023/12/10
  • LANG-STEREOTEST II-R: A new chapter in glasses-free stereo screening

    2023/03/30
  • Feedback sheet for all products

    2021/12/01
  • The LANG-STEREOTEST I is sold out.

    2021/08/08
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