Borosilicate glass 3.3. Properties Ingestion-build-115288 ophthalmologists or ophthalmic medical practitioners)

ophthalmologists or ophthalmic medical practitioners) and in prescription orders (prepared by optometrists and dispensing opticians and their staff) to enable the correct spectacle lenses for a patient to be supplied

particularly those responsible for defining product quality requirements and for product evaluation

3 Allowable working pressure test

waves) are excluded from this standard

Specifications for particular practical circumstances have to be developed on a case by case basis by expert advisers/consultants

Borosilicate glass 3.3. Properties Ingestion-build-115288 ophthalmologists or ophthalmic medical practitioners)