ISO 9914:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Optics and optical instruments Contact lenses Determination of refractive index of contact lens materials
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
13-03-2019
English, French
23-11-1995
Gives a reference test method for determining the refractive index of contact lens materials. Alternative methods may be used provided that repeatability and accuracy are at least equal to those specified herein.
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