BS EN ISO 9914:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Optics and optical instruments. Contact lenses. Determination of refractive index of contact lens materials
Hardcopy , PDF
29-09-2006
English
15-03-1997
Defines a reference method of testing for determination of the refractive index of contact lens materials. Alternative methods, equal in repeatability and accuracy may also be used. ALSO NUMBERED AS BS 7208 PART 6 1997
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