Ophthalmic optics - Contact lenses and contact lens care products - Determination of preservative uptake and release (ISO/DIS 11986:2025)

Comment end date 2025-07-06

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Project stage codes

1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas

2. Projektas

3. Viešoji apklausa

From 2025-05-04 till 2025-07-06

4. Closure of enquiry

5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

11.040.70 - Ophthalmic equipment

Technical Committee

TK 52 Ophthalmic optics and lasers

ForeignTC'S

CEN/TC 170

Number of comments

Comment start date

2025-05-04

Scope

ISO 11986:2017 provides general procedures for the selection of methods, preparation of samples, and the conduct of testing for the uptake and release of preservatives from contact lenses. NOTE 1 Due to the manifest difficulties of reproducibility when coating contact lenses with mineral and organic deposits encountered during lens wear, these methods are only applicable to new and unused contact lenses. NOTE 2 Preservative depletion by a contact lens in the limited volume of a lens case could compromise disinfection performance. This document does not measure disinfection performance.

Relations

Pakeis

prEN ISO 11986