BS ISO 9337-1 : 99 AMD 13236
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
CONTACT LENSES - DETERMINATION OF BACK VERTEX POWER - METHOD USING FOCIMETER WITH MANUAL FOCUSING
15-07-2001
23-11-2012
1 Scope
2 Normative references
3 Terms and definitions
4 Determination of back vertex power
4.1 Principle
4.2 Apparatus and reagent
4.3 Conditioning of lenses prior to testing
4.4 Procedure
4.4.1 Calibration
4.4.2 Measurement of back vertex power of
rigid contact lenses
4.4.3 Measurement of back vertex power of
hydrogel contact lenses
5 Expression of results
6 Precision data
7 Test report
Annex A (informative) Precision data
Bibliography
Gives test procedures for determining the back vertex power of both hydrogel and rigid contact lenses in air with the use of a focimeter with manual focusing. Applies to finished contact lenses.
| Committee |
CH/78
|
| DevelopmentNote |
Renumbered and superseded by BS EN ISO 9337-1 Supersedes 91/51534 DC (09/2005)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 9337-1:1999 | Identical |
| ISO 10344:1996 | Optics and optical instruments Contact lenses Saline solution for contact lens testing |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.