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Homepage>BS Standards>11 HEALTH CARE TECHNOLOGY>11.040 Medical equipment>11.040.70 Ophthalmic equipment>19/30373688 DC BS EN ISO 8624. Ophthalmic optics. Spectacle frames. Measuring system and terminology
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19/30373688 DC BS EN ISO 8624. Ophthalmic optics. Spectacle frames. Measuring system and terminology

19/30373688 DC

BS EN ISO 8624. Ophthalmic optics. Spectacle frames. Measuring system and terminology

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Standard number:19/30373688 DC
Pages:21
Released:2019-06-11
Status:Draft for Comment
DESCRIPTION

19/30373688 DC


This standard 19/30373688 DC BS EN ISO 8624. Ophthalmic optics. Spectacle frames. Measuring system and terminology is classified in these ICS categories:
  • 11.040.70 Ophthalmic equipment

This document specifies a measuring system for spectacle frames and related terminology. It is applicable to spectacle frames with fronts that are intended to be symmetrical.

NOTE

Minor asymmetry of only the nasal bearing surfaces has been included in this edition. Since such asymmetry does not affect the lens shapes, only the definition of bridge height is affected, having an amendment in its note 2 to entry.