Ophthalmic instruments. Retinoscopes1 Scope This International Standard, together with ISO 15004 1, specifies minimum requirements and test methods for hand held streak and spot retinoscopes for use in objective determination of the refractive errors of the eye. This International Standard takes precedence over ISO 15004 1, if differences exist.

BS 3056-1 on the specification for multi-purpose bricks is useful for:

Manufacturers of steel products

if you are a manufacturer of in-line couplers

PD CEN/TR 10364 on steels and cast irons is relevant to:

What is BS 4439 - Screwed studs about

Door and window suppliers

Appropriate selection of paint systems

which will be withdrawn on 1 June 2024

What is ISO/IEC 15693‑3 — Cards and security devices for personal identification about

and practical steps for the implementation of MFCA in a supply chain

this BS EN ISO 17672 covers only the filler metal that forms part of such products

marine engines