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IT1179841B - Sbozzo per lenti da occhiali asferico - Google Patents

Sbozzo per lenti da occhiali asferico

Info

Publication number
IT1179841B
IT1179841B IT68192/84A IT6819284A IT1179841B IT 1179841 B IT1179841 B IT 1179841B IT 68192/84 A IT68192/84 A IT 68192/84A IT 6819284 A IT6819284 A IT 6819284A IT 1179841 B IT1179841 B IT 1179841B
Authority
IT
Italy
Prior art keywords
aspheric
glasses
lenses
rough
aspheric glasses
Prior art date
Application number
IT68192/84A
Other languages
English (en)
Other versions
IT8468192A0 (it
IT8468192A1 (it
Inventor
Alexander C Bristol
Original Assignee
Alexander C Bristol
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 Alexander C Bristol filed Critical Alexander C Bristol
Publication of IT8468192A0 publication Critical patent/IT8468192A0/it
Publication of IT8468192A1 publication Critical patent/IT8468192A1/it
Application granted granted Critical
Publication of IT1179841B publication Critical patent/IT1179841B/it

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
IT68192/84A 1984-03-08 1984-11-30 Sbozzo per lenti da occhiali asferico IT1179841B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/587,678 US4573777A (en) 1984-03-08 1984-03-08 Aspheric spectacle lens blank

Publications (3)

Publication Number Publication Date
IT8468192A0 IT8468192A0 (it) 1984-11-30
IT8468192A1 IT8468192A1 (it) 1986-05-30
IT1179841B true IT1179841B (it) 1987-09-16

Family

ID=24350759

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68192/84A IT1179841B (it) 1984-03-08 1984-11-30 Sbozzo per lenti da occhiali asferico

Country Status (5)

Country Link
US (1) US4573777A (it)
JP (1) JPS60195516A (it)
GB (1) GB2155653B (it)
IN (1) IN161569B (it)
IT (1) IT1179841B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002122823A (ja) * 2000-10-17 2002-04-26 Asahi Optical Co Ltd 非球面眼鏡レンズ、およびその加工方法
CN103885199A (zh) * 2014-04-08 2014-06-25 夏恒泉 一种学生防治近视镜片

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB502764A (en) * 1938-03-04 1939-03-24 Alexander Herman Improvements in or relating to high speed watercraft driven by propellers
GB520764A (en) * 1938-10-31 1940-05-02 American Optical Corp Improvements in multifocal or bifocal lenses
GB602877A (en) * 1940-11-28 1948-06-04 Georges Lissac Improvements in or relating to bi-focal glasses for spectacles or eyeglasses
GB580242A (en) * 1941-04-04 1946-09-02 Clave Serge Improvements in or relating to multiple focus spectacle and like lenses
FR972730A (fr) * 1941-04-04 1951-02-02 Lentilles à foyers multiples et à axes communs et leur procédé de fabrication
US2518099A (en) * 1945-04-07 1950-08-08 American Optical Corp Lenticular cataract lens
US2923201A (en) * 1952-11-08 1960-02-02 Univis Lens Co Ophthalmic lens
US2796000A (en) * 1952-11-08 1957-06-18 Univis Lens Co Method of making ophthalmic lens
US3169247A (en) * 1959-12-09 1965-02-09 American Optical Corp Ophthalmic aspheric lens series
FR1299573A (fr) * 1961-05-30 1962-07-27 Perfectionnements aux lentilles multifocales
GB1165549A (en) * 1966-01-12 1969-10-01 Univis Inc Improvements in Multifocal Lens Blank Manufacture.
GB1237931A (it) * 1967-09-05 1971-07-07
US3781097A (en) * 1972-05-15 1973-12-25 Itek Corp Aspheric lens surface
US3950082A (en) * 1973-01-10 1976-04-13 David Volk Ophthalmic lens for presbyopia and aphakia
US3801336A (en) * 1973-02-20 1974-04-02 American Optical Corp Lead borosilicate optical glass adaptable to fusion with photochromic glass to produce multifocal lens
US4073578A (en) * 1975-04-21 1978-02-14 Phillip M. Frieder Spectacle lens for aphakia patients
US4185897A (en) * 1977-09-09 1980-01-29 Frieder Philip M Prosthetic aspheric spectacle lens for aphakia
US4181409A (en) * 1978-10-16 1980-01-01 American Optical Corporation Aspheric lens series

Also Published As

Publication number Publication date
JPS60195516A (ja) 1985-10-04
GB8427568D0 (en) 1984-12-05
GB2155653B (en) 1987-05-28
US4573777A (en) 1986-03-04
IN161569B (it) 1987-12-26
GB2155653A (en) 1985-09-25
IT8468192A0 (it) 1984-11-30
IT8468192A1 (it) 1986-05-30

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