AU513086B2 - Multifocal ophthalmic lens - Google Patents

Multifocal ophthalmic lens

Info

Publication number
AU513086B2
AU513086B2 AU31776/77A AU3177677A AU513086B2 AU 513086 B2 AU513086 B2 AU 513086B2 AU 31776/77 A AU31776/77 A AU 31776/77A AU 3177677 A AU3177677 A AU 3177677A AU 513086 B2 AU513086 B2 AU 513086B2
Authority
AU
Australia
Prior art keywords
ophthalmic lens
multifocal ophthalmic
multifocal
lens
ophthalmic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU31776/77A
Other versions
AU3177677A (en
Inventor
J. T Winthrop
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AO Inc
Original Assignee
American Optical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Optical Corp filed Critical American Optical Corp
Priority to AU31776/77A priority Critical patent/AU513086B2/en
Publication of AU3177677A publication Critical patent/AU3177677A/en
Application granted granted Critical
Publication of AU513086B2 publication Critical patent/AU513086B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/065—Properties on the principal line
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/068—Special properties achieved by the combination of the front and back surfaces
AU31776/77A 1977-12-20 1977-12-20 Multifocal ophthalmic lens Expired AU513086B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU31776/77A AU513086B2 (en) 1977-12-20 1977-12-20 Multifocal ophthalmic lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU31776/77A AU513086B2 (en) 1977-12-20 1977-12-20 Multifocal ophthalmic lens

Publications (2)

Publication Number Publication Date
AU3177677A AU3177677A (en) 1979-06-28
AU513086B2 true AU513086B2 (en) 1980-11-13

Family

ID=3719440

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31776/77A Expired AU513086B2 (en) 1977-12-20 1977-12-20 Multifocal ophthalmic lens

Country Status (1)

Country Link
AU (1) AU513086B2 (en)

Also Published As

Publication number Publication date
AU3177677A (en) 1979-06-28

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