Spectacle lens comprising spherical front side and multi-focal back side and method for its production

The requirements of the spectacles prescription, comprising spherical or astigmatic or prismatic effect and their distribution on the prescription surface of the spectacles lens are fulfilled. The rear surface of the spectacles lens is a multi-focal surface without point or axis symmetry. The convex...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HOF, ALBRECHT, HANSEN, ADALBERT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTACT LENSES DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING OPTICS PERFORMING OPERATIONS PHYSICS POLISHING SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING
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