BS EN ISO 9801:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Ophthalmic instruments. Trial case lenses
Hardcopy , PDF
31-01-2010
English
15-09-1999
Lens material; mounting; optical properties; maddox rods or grooves; stenopaeic slits; marking; surface quality; lens power (for spherical and cylindrical lenses and plane prisms); groove line (centring) disks; pinhole disks.
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