Patent EP0445994A2 successfully refreshed from Google Patents.
EP0445994A2
Expired / Lapsed
EP
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Multifocal simultaneous vision lenses
Assignee: Individual
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Filing: 1991-03-01
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Granted: —
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Expires: 2011-03-01
Abstract
Abstract The disclosure relates to a multifocal optical correction lens or lens product (10) for focusing objects at two or more distances, such as spectacle lenses, contact lenses, or contact lens buttons has a plurality of optical correction regions (12, 14, 16) for imaging objects at different distances or ranges of distances. At least two such regions are provided with at least one of the regions (12, 14, 16) being repeated in that portion of the lens overlying the wearer's pupil.
Inventors
- 👤 Joseph Lawrence Breger
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 22:19
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/02; G02C7/04; G02C7/041; G02C7/042; G02C7/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
51 words
A multifocal vision correcting lens with first and second optic regions for imaging objects at first and second distances, respectively, with a first region disposed between two of said second regions so that said first region and at least one of said second regions simultaneously image objects in the wearer's eye.
Claim 2
Dependent Claim
25 words
The lens according to Claim 1 wherein said regions comprise a central portion surrounded by a plurality of outer portions, successively internested one in another.
Claim 3
Dependent Claim
20 words
The lens according to Claim 1 wherein said regions comprise generally contiguous bands extending across the wearer's field of vision.
Claim 4
Dependent Claim
15 words
The lens according to Claim 3 wherein said bands extend generally parallel to one another.
Claim 5
Dependent Claim
35 words
The lens according to Claim 1 wherein said lens comprises a plurality of sets of said regions, each set comprising a central portion surrounded by a plurality of outer portions, successively internested one in another.
Claim 6
Dependent Claim
29 words
The lens according to Claim 2 wherein said lens is substantially larger than the wearer's pupil and has an outer peripheral edge adapted for mounting in an eyeglass frame.
Claim 7
Dependent Claim
47 words
The lens according to Claim 2 wherein said lens comprises a contact lens which is substantially larger than the wearer's pupil and which has an outer portion of the outermost region lying outside the wearer's pupil which is adapted for fitting the lens in the wearer's eye.
Claim 8
Dependent Claim
42 words
The lens according to Claim 1 further comprising a third optic region for imaging objects at a third distance disposed adjacent ones of said first and said second regions so as to contribute to the simultaneous image formed in the wearer's eye.
Claim 9
Dependent Claim
24 words
The lens according to Claim 2 wherein said central portion images distant objects and at least one of the outer portions images nearby objects.
Claim 10
Dependent Claim
13 words
The lens according to Claim 2 wherein said central portion images nearby objects.
References Cited (Backward Citations)
No citation records indexed.
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