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1. WO2022043681 - DIMPLED CONTACT LENS

Publication Number WO/2022/043681
Publication Date 03.03.2022
International Application No. PCT/GB2021/052202
International Filing Date 24.08.2021
Chapter 2 Demand Filed 21.04.2022
IPC
G02C 7/04 2006.1
GPHYSICS
02OPTICS
CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7Optical parts
02Lenses; Lens systems
04Contact lenses for the eyes
CPC
B29D 11/00067
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
11Producing optical elements, e.g. lenses or prisms
00009Production of simple or compound lenses
00038Production of contact lenses
00067Hydrating contact lenses
B29D 11/00134
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
11Producing optical elements, e.g. lenses or prisms
00009Production of simple or compound lenses
00038Production of contact lenses
00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
00134Curing of the contact lens material
G02C 7/047
GPHYSICS
02OPTICS
CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7Optical parts
02Lenses; Lens systems ; ; Methods of designing lenses
04Contact lenses for the eyes
047Contact lens fitting; Contact lenses for orthokeratology; Contact lenses for specially shaped corneae
G02C 7/049
GPHYSICS
02OPTICS
CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7Optical parts
02Lenses; Lens systems ; ; Methods of designing lenses
04Contact lenses for the eyes
049Contact lenses having special fitting or structural features achieved by special materials or material structures
Applicants
  • COOPERVISION INTERNATIONAL LIMITED [GB]/[GB]
Inventors
  • LINN, Matthew S.
  • SAHA, Sourav
  • JIANG, Lu
  • WARREN, Tim
  • KEIR, Nancy J.
Agents
  • ABEL & IMRAY
Priority Data
63/071,38428.08.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) DIMPLED CONTACT LENS
(FR) LENTILLE DE CONTACT ALVÉOLÉE
Abstract
(EN) A contact lens having dimples on a posterior surface is described as well as cast molds and injection molding inserts for manufacturing the same. The contact lens includes a posterior surface having an optic zone, a peripheral zone, and a circumferential edge, where dimples are located in the peripheral zone, and can include at least 1000 dimples.
(FR) L'invention concerne une lentille de contact ayant des alvéoles sur une surface postérieure ainsi que des moules pour coulée et des inserts de moulage par injection pour sa fabrication. La lentille de contact comprend une surface postérieure ayant une zone optique, une zone périphérique et un bord circonférentiel, des alvéoles étant situées dans la zone périphérique ; la lentille pouvant comprendre au moins 1000 alvéoles.
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