Testing of Reading Spectacles and Spectacle Frames

Most consumers concerns when choosing a pair of reading spectacles are that the glasses not only improve their vision, but offer comfort and style as well.

Manufacturers are then tasked with meeting the demands of consumers as well as meeting the standards set forth by the industry.

Intertek has the ability to test your reading spectacles to EN 14139:2010, ophthalmic optics – specifications for ready-to-wear spectacles.  In addition, Intertek can also test your spectacle frames to standard EN ISO 12870:2009 – ophthalmic optics – spectacle frames.  Both reading spectacles and spectacle frames are classified as class 1 medical devices under Medical Device Directive 93/42/EEC.

With over 1,000 offices and labs in over 100 countries, Intertek is well-equipped with the state-of-the-art testing facilities with Intertek experts offering customers expertise in the evaluation of their reading spectacles and spectacle frames. Intertek is capable of performing the following tests to industry standards:

Reading Spectacles:

  • General requirements of EN 14889
  • Frame requirements of EN ISO 12870
  • Optical power
    • Spherical power
    • Astigmatic power
    • Prismatic power
  • Marking

Spectacle Frames:

  • Dimensional tolerances on nominal size
  • Tolerance on screw threads
  • Dimensional stability at elevated temperatures
  • Resistance to perspiration
  • Endurance
  • Bridge Deformation
  • Lens Retention
  • Resistance to ignition
  • Resistance to optical radiation
  • Nickel release
 

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