BS EN ISO 9801:1999
$102.76
Ophthalmic instruments. Trial case lenses
Published By | Publication Date | Number of Pages |
BSI | 1999 | 20 |
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.