EN ISO 10322-1:2006
(Main)Ophthalmic optics - Semi-finished spectacle lens blanks - Part 1: Specifications for single-vision and multifocal lens blanks (ISO 10322-1:2006)
Ophthalmic optics - Semi-finished spectacle lens blanks - Part 1: Specifications for single-vision and multifocal lens blanks (ISO 10322-1:2006)
ISO 10322-1:2006 specifies requirements for the optical and geometrical properties of semi-finished single-vision and multifocal spectacle lens blanks.
Augenoptik - Einseitig fertige Brillenglasblanks - Teil 1: Festlegungen für Ein- und Mehrstärken-Brillenglasblanks (ISO 10322-1:2006)
Dieser Teil von ISO 10322 legt Anforderungen an die optischen und geometrischen Eigenschaften von einseitig fertigen Ein- und Mehrstärken-Brillenglasblanks fest.
ANMERKUNG Die Anforderungen an einseitig fertige Gleitsicht-Brillenglasblanks sind in ISO 10322-2 festgelegt.
Optique ophtalmique - Verres de lunettes semi-finis - Partie 1: Spécifications pour les verres unifocaux et multifocaux (ISO 10322-1:2006)
L'ISO 10322-1:2006 spécifie les exigences relatives aux propriétés optiques et géométriques des verres semi-finis unifocaux et multifocaux.
Očesna optika – Napol zgotovljena stekla očal – 1. del: Specifikacije za enogoriščna in večgoriščna stekla (ISO 10322-1:2006)
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Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2006
1DGRPHãþD
SIST EN ISO 10322-1:2000
2þHVQDRSWLND±1DSRO]JRWRYOMHQDVWHNODRþDO±GHO 6SHFLILNDFLMH]D
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Ophthalmic optics - Semi-finished spectacle lens blanks - Part 1: Specifications for single
-vision and multifocal lens blanks (ISO 10322-1:2006)
Augenoptik - Einseitig fertige Brillenglasblanks - Teil 1: Festlegungen für Ein- und
Mehrstärken-Brillenglasblanks (ISO 10322-1:2006)
Optique ophtalmique - Verres de lunettes semi-finis - Partie 1: Spécifications pour les
verres unifocaux et multifocaux (ISO 10322-1:2006)
Ta slovenski standard je istoveten z: EN ISO 10322-1:2006
ICS:
11.040.70 Oftalmološka oprema Ophthalmic equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 10322-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2006
ICS 11.040.70 Supersedes EN ISO 10322-1:1997
English Version
Ophthalmic optics - Semi-finished spectacle lens blanks - Part 1:
Specifications for single-vision and multifocal lens blanks (ISO
10322-1:2006)
Optique ophtalmique - Verres de lunettes semi-finis - Partie Augenoptik - Einseitig fertige Brillenglasblanks - Teil 1:
1: Spécifications pour les verres unifocaux et multifocaux Festlegungen für Ein- und Mehrstärken-Brillenglasblanks
(ISO 10322-1:2006) (ISO 10322-1:2006)
This European Standard was approved by CEN on 6 January 2006.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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© 2006 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10322-1:2006: E
worldwide for CEN national Members.
Foreword
This document (EN ISO 10322-1:2006) has been prepared by Technical Committee ISO/TC 172
"Optics and optical instruments" in collaboration with Technical Committee CEN/TC 170
"Ophthalmic optics", the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of
an identical text or by endorsement, at the latest by August 2006, and conflicting national
standards shall be withdrawn at the latest by August 2006.
This document supersedes EN ISO 10322-1:1997.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice
The text of ISO 10322-1:2006 has been approved by CEN as EN ISO 10322-1:2006 without any
modifications.
INTERNATIONAL ISO
STANDARD 10322-1
Third edition
2006-02-01
Ophthalmic optics — Semi-finished
spectacle lens blanks —
Part 1:
Specifications for single-vision
and multifocal lens blanks
Optique ophtalmique — Verres de lunettes semi-finis —
Partie 1: Spécifications pour les verres unifocaux et multifocaux
Reference number
ISO 10322-1:2006(E)
©
ISO 2006
ISO 10322-1:2006(E)
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ii © ISO 2006 – All rights reserved
ISO 10322-1:2006(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 10322-1 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommittee SC 7,
Ophthalmic optics and instruments.
This third edition cancels and replaces the second edition (ISO 10322-1:1996), which has been technically
revised.
ISO 10322 consists of the following parts, under the general title Ophthalmic optics — Semi-finished spectacle
lens blanks:
⎯ Part 1: Specifications for single-vision and multifocal lens blanks
⎯ Part 2: Specifications for progressive power lens blanks
INTERNATIONAL STANDARD ISO 10322-1:2006(E)
Ophthalmic optics — Semi-finished spectacle lens blanks —
Part 1:
Specifications for single-vision and multifocal lens blanks
1 Scope
This part of ISO 10322 specifies requirements for the optical and geometrical properties of semi-finished
single-vision and multifocal spectacle lens blanks.
NOTE The requirements for semi-finished progressive power lens blanks are given in ISO 10322-2.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 7944, Optics and optical instruments — Reference wavelengths
ISO 8598, Optics and optical instruments — Focimeters
ISO 13666, Ophthalmic optics — Spectacle lenses — Vocabulary
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 13666 and the following apply.
3.1
focal-point-on-axis focimeter
FOA focimeter
focimeter in which the focal point of the beam remains on the axis of the focimeter when the lens under test is
measured at a point on the lens where prism is not zero
See Figure 1.
NOTE Examples of this design include all manual focusing focimeters and some automatic focimeters.
3.2
infinite-on-axis focimeter
IOA focimeter
focimeter in which the collimated beam coincides with the focimeter axis and the focal point of the beam goes
off the axis of the focimeter when the lens under test is measured at a point of the lens where prism is not
zero
See Figure 2.
NOTE Some automatic focimeters use this design.
ISO 10322-1:2006(E)
Key Key
1 focimeter's optical axis 1 focimeter's optical axis
2 lens 2 lens
3 focimeter lens support 3 focimeter lens support
4 focal point on the optical axis 4 parallel incident beam coincides with optical axis
Figure 1 — FOA Focimeter Figure 2 — IOA Focimeter
4 Classification
Semi-finished lens blanks are classified as follows:
a) single-vision semi-finished lens blanks;
b) multifocal semi-finished lens blanks;
c) progressive power semi-finished lens blanks.
5 Requirements
The tolerances shall apply at a temperature of 23 °C ± 5 °C.
5.1 Optical requirements for the finished surface
5.1.1 General
The optical tolerances shall apply to the manufacturer’s stated values at the reference points of the
semi-finished lens blank at one of the reference wavelengths specified in ISO 7944.
2 © ISO 2006 – All rights reserved
ISO 10322-1:2006(E)
In the case of an aspheric lens blank, the distance reference point shall be specified by the manufacturer. If no
distance reference point is identified, the blank geometric centre may be assumed to be the distance
reference point.
5.1.2 Tolerances on the surface power of semi-finished single-vision and multifocal blanks
The tolerances on the surface power as specified in Table 1 shall apply at the design reference point and shall
be measured using the method described in 6.1.
Table 1 — Tolerances on the surface power for nominally spherical surfaces
Values in dioptres (D)
Tolerance on astigmatic surface
Tolerance on surface power
Surface power of the principal power for spherical surfaces
meridian with the higher absolute
F +F
surface power F −F
W 0,00 and u 2,00 ± 0,09 0,04
> 2,00 and u 10,00 ± 0,06 0,04
> 10,00 and u 15,00 ± 0,09 0,04
> 15,00 and u 20,00 ± 0,12 0,06
> 20,00 ± 0,25 0,06
F and F are the surface powers of the principal meridians.
1 2
5.1.3 Uniformity of the surface power of lenses with spherical surfaces
Over a zone of 40 mm diameter centred around the design reference point, the surface power shall not
deviate by more than 0,06 D from the surface power measured at the design reference point. The uniformity
shall be determined using one of the methods described in 6.2.
5.1.4 Tolerances on the surface cylindrical power
The tolerances on the surface cylindrical power as specified in Table 2 shall apply at the design reference
point and shall be measured using the method described in 6.1.
Table 2 — Tolerances on the surface cylindrical power for cylindrical surfaces
Values in dioptres (D)
Cylindrical power Tolerance
W 0,25 and u 4,00 ± 0,06
> 4,00 and u 6,00 ± 0,09
> 6,00 ± 0,12
5.1.5 Tolerances on the addition power for multifocal lens blanks
The tolerances on the addition power as specified in Table 3 shall apply at the design reference points and
shall be measured using the method described in 6.3.
ISO 10322-1:2006(E)
Table 3 — Tolerances on the addition power
Values in dioptres (D)
Addition power Tolerance
u 4,00 ± 0,12
> 4,00 ± 0,18
5.2 Geometrical tolerances
5.2.1 Tolerances on the size of lens blanks
The sizes of lens blanks are classified as follows:
a) nominal size (d ): dimension(s), in millimetres, indicated by the manufacturer;
n
b) effective size (d ): actual dimension(s), in millimetres, of the lens blank;
e
c) usable size (d ): dimension(s), in millimetres, of the area that is optically usable;
u
1) effective size, d :
e
d – 1 mm u d u d + 2 mm
n e n
2) usable size, d :
u
d W d – 1 mm for d u 65 mm
u n n
d W d – 2 mm for d > 65 mm
u n n
The tolerance on usable size does not apply to blanks for lenses with a carrier curve, such as lenticulars.
5.2.2 Tolerances on thickness
5.2.2.1 Centre thickness
The centre thickness of the lens blank, when measured at its geometric centre (unless otherwise stated by the
manufacturer), shall be neither less than the minimum thickness stated by the manufacturer nor exceed this
minimum thickness by more than 3 mm.
5.2.2.2 Edge thickness
When measured at the point stated by the manufacturer, the edge thickness of the lens blank shall be neither
less than the minimum thickness stated by the manufacturer nor exceed this minimum thickness by more than
3 mm.
5.2.3 Segment tolerances for multifocal lens blanks
5.2.3.1 Dimensions
When using one of the methods described in 6.4, each of the segment dimensions (width, depth and
intermediate depth) shall not deviate from its nominal value by more than ± 0,5 mm.
If sold as a matched pair, each of the segment dimensions (width, depth and intermediate depth) shall not
differ by
...
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