British Standards Institution

Sector: Governance & Resilience

Overview: Under the direction of CH/172 is responsible for appointing members to ISO/TC 172/SC 7/WG 6 and relevant CEN/TC 170 working groups; briefing UK delegates ahead of European and international meetings and to determine the UK response to documents that are being developed.

Committee standards activity

In Progress (10)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 20824	Ophthalmic instruments — Background for light hazard specification in ophthalmic instrument standards Categories: Unclassified documents Proposal begins :	Proposal
PD ISO/TR 20824	Ophthalmic instruments -- Background for light hazard specification in ophthalmic instrument standards Categories: Medical equipment. Ophthalmic Drafting begins : 2019-09-20	Drafting
ISO/TC 172/SC 7 N 2209, ISO/NP 8980-6	Ophthalmic optics -- Finished single-vision corrective lenses -- Part 6: Requirements and test methods for claimed performances Categories: Information management \| Standardization. General rules \| Healthcare \| Medical equipment \| Medical equipment. Ophthalmic \| ICT \| Image technology \| Optical equipment Proposal begins : 2021-05-11	Proposal
ISO/TC 172/SC 7 N 2208, ISO/NP 7921	Near Vision Charts Categories: Information management \| Standardization. General rules \| Measurement and Science \| Healthcare \| Medical equipment \| Medical equipment. Ophthalmic Proposal begins : 2021-05-11	Proposal
ISO/TC 172/SC 7 N 2207, ISO/NP 7909	Distance Visual Acuity Charts Categories: Information management \| Standardization. General rules \| Healthcare \| Medical equipment \| Medical equipment. Ophthalmic Proposal begins : 2021-05-11	Proposal
BS ISO 19646	Endoscopes -- Determination of the relative effect of edge photometry Categories: Unclassified documents Proposal begins :	Proposal
BS ISO 19644	Endoscopes -- Determination of the color difference distinction ability and the color reducing properties Categories: Unclassified documents Proposal begins :	Proposal
BS ISO 15253	Ophthalmic optics and instruments -- Devices for enhancing low vision Categories: Medical equipment. Ophthalmic Drafting begins : 2018-12-16	Drafting
BS EN ISO 19980	Ophthalmic instruments — Corneal topographers Categories: Unclassified documents Drafting begins : 2026-01-18	Drafting
BS EN ISO 15752	Ophthalmic instruments — Endoilluminators — Fundamental requirements and test methods for optical radiation safety Categories: Unclassified documents Drafting begins : 2025-12-23	Drafting

Published (32)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TR 20824:2007	Ophthalmic instruments. Background for light hazard specification in ophthalmic instrument standards Categories: Medical equipment. Ophthalmic Published standard begins : 2008-01-30	Published standard
PD ISO/TR 19498:2015	Ophthalmic optics and instruments. Correlation of optotypes Categories: Medical equipment. Ophthalmic Published standard begins : 2015-12-18	Published standard
BS ISO 8600-3:2019	Endoscopes. Medical endoscopes and endotherapy devices. Determination of field of view and direction of view of endoscopes with optics Categories: Medical equipment. Diagnostic Published standard begins : 2019-08-05	Published standard
BS ISO 5868:2025	Ophthalmic optics and instruments. Anomaloscopes for the diagnosis of red-green colour vision deficiencies Categories: Medical equipment. Ophthalmic Published standard begins : 2025-05-29	Published standard
BS ISO 16971-1:2024	Ophthalmic instruments. Optical coherence tomographs. Optical coherence tomographs for the posterior segment of the human eye Categories: Medical equipment. Ophthalmic Published standard begins : 2024-11-13	Published standard
BS ISO 10936-2:2010	Optics and photonics. Operation microscopes. Light hazard from operation microscopes used in ocular surgery Categories: Surgical instruments and materials \| Optical equipment Published standard begins : 2010-02-12	Published standard
BS EN ISO 9801:2009	Ophthalmic instruments. Trial case lenses Categories: Medical equipment. Ophthalmic Published standard begins : 2010-01-22	Published standard
BS EN ISO 9342-2:2005	Optics and optical instruments. Test lenses for calibration of focimeters. Test lenses for focimeters used for measuring contact lenses Categories: Medical equipment. Ophthalmic Published standard begins : 2010-04-19	Published standard
BS EN ISO 8612:2009	Ophthalmic instruments. Tonometers Categories: Medical equipment. Ophthalmic Published standard begins : 2009-11-06	Published standard
BS EN ISO 8596:2018+A1:2020	Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation Categories: Medical equipment. Ophthalmic Published standard begins : 2020-02-04	Published standard

Withdrawn (22)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 15752:2000	Ophthalmic instruments. Endoilluminators. Fundamental requirements and test methods for optical radiation safety Categories: Medical equipment. Ophthalmic Withdrawn begins : 2010-02-11	Withdrawn
BS ISO 10936-2:2001	Optics and optical instruments. Operation microscopes. Light hazard from operation microscopes used in ocular surgery Categories: Surgical instruments and materials \| Optical equipment Withdrawn begins : 2010-02-12	Withdrawn
BS EN ISO 8612:2001	Ophthalmic instruments. Tonometers Categories: Medical equipment. Ophthalmic Withdrawn begins : 2009-11-06	Withdrawn
BS EN ISO 8596:2018	Ophthalmic optics. Visual acuity testing. Standard and clinical optotypes and their presentation Categories: Medical equipment. Ophthalmic Withdrawn begins : 2020-02-04	Withdrawn
BS EN ISO 8596:2009	Ophthalmic optics. Visual acuity testing. Standard optotype and its presentation Categories: Medical equipment. Ophthalmic Withdrawn begins : 2018-02-16	Withdrawn
BS EN ISO 24157:2008	Ophthalmic optics and instruments. Reporting of aberrations of the human eye Categories: Medical equipment. Ophthalmic Withdrawn begins : 2020-02-19	Withdrawn
BS EN ISO 19980:2012	Ophthalmic instruments. Corneal topographers Categories: Medical equipment. Ophthalmic Withdrawn begins : 2012-06-27	Withdrawn
BS EN ISO 19980:2005	Ophthalmic instruments. Corneal topograpers Categories: Medical equipment. Ophthalmic Withdrawn begins : 2012-04-20	Withdrawn
BS EN ISO 15254:2009	Ophthalmic optics and instruments. Electro-optical devices for enhancing low vision Categories: Medical equipment. Ophthalmic \| Aids. Blind or partially sighted people Withdrawn begins : 2021-07-15	Withdrawn
BS EN ISO 15253:2000	Ophthalmic optics and instruments. Optical devices for low-vision aids Categories: Medical equipment. Ophthalmic \| Aids. Blind or partially sighted people Withdrawn begins : 2021-07-15	Withdrawn

Standards Development

CH/172/6 - Ophthalmic instruments

Committee standards activity