JPH04324815A - 眼鏡用プラスチックレンズ - Google Patents

眼鏡用プラスチックレンズ

Info

Publication number
JPH04324815A
JPH04324815A JP3095758A JP9575891A JPH04324815A JP H04324815 A JPH04324815 A JP H04324815A JP 3095758 A JP3095758 A JP 3095758A JP 9575891 A JP9575891 A JP 9575891A JP H04324815 A JPH04324815 A JP H04324815A
Authority
JP
Japan
Prior art keywords
lens
projection
degree
concave
convex surface
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.)
Pending
Application number
JP3095758A
Other languages
English (en)
Japanese (ja)
Inventor
Toshihiko Shimizu
敏彦 清水
Mitsusada Ito
伊藤　光定
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP3095758A priority Critical patent/JPH04324815A/ja
Priority to US07/871,303 priority patent/US5373332A/en
Priority to FR9205117A priority patent/FR2675912A1/fr
Publication of JPH04324815A publication Critical patent/JPH04324815A/ja
Pending 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
    • G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects

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)
JP3095758A 1991-04-25 1991-04-25 眼鏡用プラスチックレンズ Pending JPH04324815A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3095758A JPH04324815A (ja) 1991-04-25 1991-04-25 眼鏡用プラスチックレンズ
US07/871,303 US5373332A (en) 1991-04-25 1992-04-20 Plastic spectacle lens and method for making
FR9205117A FR2675912A1 (fr) 1991-04-25 1992-04-24 Verres en matiere plastique pour lunettes correctrices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3095758A JPH04324815A (ja) 1991-04-25 1991-04-25 眼鏡用プラスチックレンズ

Publications (1)

Publication Number Publication Date
JPH04324815A true JPH04324815A (ja) 1992-11-13

Family

ID=14146390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3095758A Pending JPH04324815A (ja) 1991-04-25 1991-04-25 眼鏡用プラスチックレンズ

Country Status (3)

Country Link
US (1) US5373332A (cg-RX-API-DMAC7.html)
JP (1) JPH04324815A (cg-RX-API-DMAC7.html)
FR (1) FR2675912A1 (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6242065B1 (en) * 1998-10-07 2001-06-05 Bmc Vision-Ease Lens, Inc. Lens blanks for ophthalmic elements

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542714C2 (de) * 1975-09-25 1984-01-19 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Preßstempel zum Aufbringen von Markierungen auf Kontaktlinsen aus Silikonkautschuk
US4039827A (en) * 1976-08-26 1977-08-02 American Optical Corporation Method for marking intraocular lenses
US4194814A (en) * 1977-11-10 1980-03-25 Bausch & Lomb Incorporated Transparent opthalmic lens having engraved surface indicia
CS198749B1 (en) * 1978-05-04 1980-06-30 Otto Wichterle Toric hydrogelic contact lens
US4268133A (en) * 1978-07-14 1981-05-19 Bausch & Lomb Incorporated Preferential orientation of contact lenses
US4193671A (en) * 1978-11-20 1980-03-18 Precision Cosmet Corp. Identifying means for polymeric contact lenses
DE3233590A1 (de) * 1982-09-10 1984-03-15 Fa. Carl Zeiss, 7920 Heidenheim Brillenlinse mit kennzeichnung und/oder markierung und verfahren zur herstellung der kennzeichnung und/oder markierung
US4616910A (en) * 1983-03-01 1986-10-14 Klein Robert E Visual indicator on soft contact lenses
US4525044A (en) * 1983-05-05 1985-06-25 Bauman Robert C Soft contact lens with surface identification and method of using same

Also Published As

Publication number Publication date
US5373332A (en) 1994-12-13
FR2675912B1 (cg-RX-API-DMAC7.html) 1997-03-07
FR2675912A1 (fr) 1992-10-30

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