Active standard | Published: 11/07/2024

ISO/TS 6838:2024

Ophthalmic optics — Contact lenses — Tolerances and methods for measurement of multifocal contact lens addition power
(Optique ophtalmique — Lentilles de contact — Tolérances et méthodes de mesure de la puissance additionnelle des lentilles de contact multifocales)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO/TS 6838:2024

Publication date: 11/07/2024

Pages: 20

Country: International technical standard

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Anotation

Description / Abstract: This document specifies proposals for the tolerances and methods for measuring the base and add power of refractive/symmetric multifocal contact lenses. This document is not intended to measure current production lenses (or similar) and does not include measurement of diffractive multifocal contact lenses nor the measurement of distance (or label) power. This document is intended to obtain additional feedback from clinicians, manufacturers, and health authorities on the proposals for tolerances and test methods. This document is not intended to be used in any quality system or by any governing body to control the manufacturing or acceptance of contact lenses.

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