OPTICAL LENS COATED WITH A PATTERNED REMOVABLE FILM AND METHOD FOR EDGING SUCH A LENS

• Main Authors: CONTE, Dominique, LACAN, Pascale, GOU, Zeming, FOURNAND, Gerald
• Format: Patent
• Language: English; French; German
• Published: 15.09.2021
• Subjects: CONTACT LENSES; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GRINDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; POLISHING; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; 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

An optical lens includes: (i) a temporary coating for protection against degradation at least partially covering a surface of the lens, the temporary protective coating including an outermost layer mechanically degradable through friction and/or contact, and (ii) a removable film having a first side and a second side, which adheres to the outermost layer of the temporary protective coating through its first side, the first side of the removable film including at least one surface portion, which, when applied to the outermost layer of the temporary protective coating, includes at least one adherent zone and at least one non-adherent zone distributed across the surface portion.