ISO 9914:1995

Optics and optical instruments -- Contact lenses -- Determination of refractive index of contact lens materials

Gives a reference test method for determining the refractive index of contact lens materials. Alternative methods may be used provided that repeatability and accuracy are at least equal to those specified herein.

General information

  • Status :  Withdrawn
    Publication date : 1995-11
  • Edition : 1
  • :
    ISO/TC 172/SC 7
    Ophthalmic optics and instruments
  • 11.040.70
    Ophthalmic equipment

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information