BS 3162:1959
$142.49
Specification for ophthalmic trial case lenses
Published By | Publication Date | Number of Pages |
BSI | 1959 | 8 |
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;