Toric contact lens with displaced center of gravity

A toric contact lens with the center of gravity displaced in the direction to its edge by the effect of an one-sided thickening of the lens, where, according to the invention, its optical zone has as far as to the diameter of 5 to 8 mm the center of gravity precisely in the lens axis and the thicken...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WICHTERLE, OTTO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTACT LENSES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL OPTICS PERFORMING OPERATIONS PHYSICS PUNCHING METAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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