# ISO 11987:1997/Cor 1:1998 — Withdrawn and superseded ISO standards For ISO 11987:1997/Cor 1:1998, item title is Ophtalmic optics — Contact lenses — Determination of shelf-life — Technical Corrigendum 1; status code is 9599; successor is ISO 11987:2012; withdrawn / published date is 1998-04-02, recorded from its source on 2026-08-05. - **Identifier:** ISO 11987:1997/Cor 1:1998 _(verified: appears in the quote below)_ - **Item title:** Ophtalmic optics — Contact lenses — Determination of shelf-life — Technical Corrigendum 1 _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 11987:2012 - **Withdrawn / published date:** 1998-04-02 _(verified: appears in the quote below)_ ## What the source says > 30275,IS,Cor,ISO 11987:1997/Cor 1:1998,Ophtalmic optics — Contact lenses — Determination of shelf-life — Technical Corrigendum 1,Optique ophtalmique — Lentilles de contact — Détermination de la durée de conservation — Rectificatif technique 1,1998-04-02,1,['11.040.70'],ISO/TC 172/SC 7,9599,,[51074],['fr'],, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).