Multifocal lens and blank
Multifocal lens and method of making the same
Multifocal lens blank manufacture
Multifocal lens designs with intermediate optical powers
Multifocal lens exhibiting diffractive and refractive powers
Multifocal lens having a progressive optical power region...
Multifocal lens having a progressive optical power region...
Multifocal lens manufacture
Multifocal lens with a diffractive optical power region
Multifocal lens, and method for production thereof
Multifocal lenses and method of making same
Multifocal ocular lens having intermediate region with...
Multifocal ophtalmic lens
Multifocal ophthalmic lens
Multifocal ophthalmic lens
Multifocal ophthalmic lens
Multifocal ophthalmic lens
Multifocal ophthalmic lens
Multifocal ophthalmic lens
Multifocal ophthalmic lens