Ophthalmic optics and instruments. Electro-optical devices for enhancing low vision Ingestion-build-107062 Where specific tests are defined

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

Petroleum and natural gas manufacturers

Vanadium and cerium interfere with the determination

footprinting studies

Training and education

Ophthalmic optics and instruments. Electro-optical devices for enhancing low vision Ingestion-build-107062 Where specific tests are defined1 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.