Ophthalmic optics and instruments. Electro-optical devices for enhancing low vision Ingestion-build-107062 Training and education

Training and education

Where specific tests are defined with no pass/fail requirement (to establish performance capability)

Petroleum and natural gas manufacturers

and precipitation hardened

Vanadium and cerium interfere with the determination

Ophthalmic optics and instruments. Electro-optical devices for enhancing low vision Ingestion-build-107062 Training and education1 Scope This International Standard applies to electro optical devices specified by the manufacturer for use by visually impaired persons, as low vision aids. It specifies electro optical and mechanical requirements and test methods. This International Standard does not cover optical devices for enhancing low vision which are specified in ISO 15253.