NF EN ISO 8321-1

NF EN ISO 8321-1

December 2002
Standard Cancelled

Ophthalmic optics - Specifications for material, optical and dimensional properties of contact lenses - Part 1 : rigid corneal and scleral contact lenses

This part of ISO 8321 specifies requirements for rigid corneal and scleral contact lenses including tolerance limits for material, optical and dimensional properties.

A method for presenting the specification of contact lenses is described in annex A.

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Main informations

Collections

National standards and national normative documents

Publication date

December 2002

Number of pages

23 p.

Reference

NF EN ISO 8321-1

ICS Codes

11.040.70   Ophthalmic equipment

Classification index

S11-610

Print number

1 - 20/12/2002

International kinship

ISO 8321-1:2002

European kinship

EN ISO 8321-1:2002
Sumary
Ophthalmic optics - Specifications for material, optical and dimensional properties of contact lenses - Part 1 : rigid corneal and scleral contact lenses

This part of ISO 8321 specifies requirements for rigid corneal and scleral contact lenses including tolerance limits for material, optical and dimensional properties.

A method for presenting the specification of contact lenses is described in annex A.

Replaced standards (1)
NF EN ISO 8321-1
October 1996
Standard Cancelled
Optics and optical instruments. Contact lenses. Part 1 : specification for rigid corneal and scleral contact lenses.

Standard replaced by (2)
NF EN ISO 18369-1
December 2006
Standard Cancelled
Ophthalmic optics - Contact lenses - Part 1 : vocabulary, classification system and recommendations for labelling specifications

ISO 18369-1:2006 identifies and defines the terms applicable to the physical, chemical and optical properties of contact lenses, their manufacture and uses. It provides a vocabulary of terms and, when appropriate, the international symbol and abbreviation associated with a specific term. ISO 18369-1:2006 also defines the terms relating to contact lens care products. It also incorporates the classifications of contact lens materials and gives recommendations for the labelling of the specifications of contact lenses.

NF EN ISO 18369-2
December 2006
Standard Cancelled
Ophthalmic optics - Contact lenses - Part 2 : tolerances

ISO 18369-2:2006 specifies the tolerance limits of the principal optical and physical parameters of rigid, soft, and rigid scleral contact lenses.

Table of contents
  • Avant-propos
    iv
  • 1
    Domaine d'application 1
  • 2
    Références normatives 1
  • 3
    Termes et définitions 2
  • 4
    Exigences relatives aux dimensions et aux propriétés optiques 2
  • 4.1
    Tolérances 2
  • 4.2
    Méthodes d'essai 2
  • 4.3
    Conditionnement des lentilles de contact avant essais 2
  • 4.4
    Propriétés supplémentaires 2
  • 5
    Exigences relatives à la finition 5
  • 5.1
    Inclusions et défauts de surface 5
  • 5.2
    Tensions internes 5
  • 5.3
    Perforations 5
  • 5.4
    Contour et finition du bord 5
  • Annexe A (informative) Méthode recommandée de présentation pour la spécification de lentilles de contact
    6
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