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BS EN ISO 10322-2 : 2016

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BS EN ISO 10322-2 : 2016

OPHTHALMIC OPTICS - SEMI-FINISHED SPECTACLE LENS BLANKS - PART 2: SPECIFICATIONS FOR PROGRESSIVE-POWER AND DEGRESSIVE-POWER LENS BLANKS (ISO 10322-2:2016)

British Standards Institution

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Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Classification<br>5 Requirements<br>6 Test methods<br>7 Marking and identification<br>8 Reference to this part of ISO 10322<br>Annex A (informative) - Material and surface quality<br>Annex B (informative) - Conversion of surface power<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;tolerances from the refractive index of the lens<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;blank to that of an instruments fixed reference<br>Annex C (informative) - Addition power measurement by<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;transmission<br>Bibliography

Abstract

Defines requirements for the optical and geometrical properties of semi-finished lens blanks with finished progressive-power and degressive-power surfaces.

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Document Type Standard
Status Current
Publisher British Standards Institution
Committee CH/172/3
Supersedes
  • BS 2738-5(1996) : 1996 AMD 9761
  • 14/30273451 DC : 0
  • BS 2738-5(1992) : 1992
  • 93/508651 DC : DEC 93
  • 04/30106309 DC : DRAFT OCT 2004