US$ 179.95
Ophthalmic instruments. Trial case lenses Ingestion-build-224916 the test object
$166.00
Description
the test object
Power control elements (e
In the absence of a product standard
BS EN ISO 14021 describes selected terms commonly used in environmental claims and gives qualifications for their use
Ophthalmic instruments. Trial case lenses Ingestion-build-224916 the test object1 Scope This International Standard specifies requirements for mounted ophthalmic full and or reduced aperture trial case lenses for the determination of the refractive error of the eye. This International Standard takes priority over ISO 15004 1, if differences exist.
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