JPS5384741A - Spectacle lens - Google Patents

Spectacle lens

Info

Publication number
JPS5384741A
JPS5384741A JP16050576A JP16050576A JPS5384741A JP S5384741 A JPS5384741 A JP S5384741A JP 16050576 A JP16050576 A JP 16050576A JP 16050576 A JP16050576 A JP 16050576A JP S5384741 A JPS5384741 A JP S5384741A
Authority
JP
Japan
Prior art keywords
curvature
center
cutting line
spectacle lens
lens
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
JP16050576A
Other languages
Japanese (ja)
Inventor
Hideaki Umezaki
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
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP16050576A priority Critical patent/JPS5384741A/en
Publication of JPS5384741A publication Critical patent/JPS5384741A/en
Pending legal-status Critical Current

Links

Landscapes

  • Eyeglasses (AREA)

Abstract

PURPOSE: To considerably decrease trim thickness without degrading lens performance by placing the center of curvature on the outside circumferential part and the center of curvature of the cental part on the oppsite side with a cutting line between at the cutting line in the rear face of a lens cut at an arbitrary plane inclusive its optical axis.
COPYRIGHT: (C)1978,JPO&Japio
JP16050576A 1976-12-29 1976-12-29 Spectacle lens Pending JPS5384741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16050576A JPS5384741A (en) 1976-12-29 1976-12-29 Spectacle lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16050576A JPS5384741A (en) 1976-12-29 1976-12-29 Spectacle lens

Publications (1)

Publication Number Publication Date
JPS5384741A true JPS5384741A (en) 1978-07-26

Family

ID=15716386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16050576A Pending JPS5384741A (en) 1976-12-29 1976-12-29 Spectacle lens

Country Status (1)

Country Link
JP (1) JPS5384741A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561736A (en) * 1982-08-07 1985-12-31 Carl-Zeiss-Stiftung Eyeglass lenses for persons suffering from severe ametropia
US5550600A (en) * 1994-06-23 1996-08-27 Nikon Corporation Ophthalmic lens having a negative refractive power
US5825454A (en) * 1996-01-16 1998-10-20 Hoya Corporation Aspherical spectacle lens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561736A (en) * 1982-08-07 1985-12-31 Carl-Zeiss-Stiftung Eyeglass lenses for persons suffering from severe ametropia
US5550600A (en) * 1994-06-23 1996-08-27 Nikon Corporation Ophthalmic lens having a negative refractive power
US5825454A (en) * 1996-01-16 1998-10-20 Hoya Corporation Aspherical spectacle lens

Similar Documents

Publication Publication Date Title
AU517342B2 (en) Cooling of i. c. engine
JPS5360246A (en) Zoom lens
ES496575A0 (en) PROCEDURE FOR THE REALIZATION OF A COMPOSITE GLASS, IN PARTICULAR OF AN OPHTHALMIC LENS.
ES496550A0 (en) PROCEDURE FOR THE REALIZATION OF A COMPOSITE GLASS, IN PARTICULAR OF AN OPHTHALMIC LENS.
JPS5384741A (en) Spectacle lens
USD249397S (en) Face guard for mounting on an athletic helmet
JPS52105816A (en) Photographic lens of compact type having long back focus and large ape rture
USD245420S (en) Chipping combine
JPS52134749A (en) Optical transmitter
JPS52136644A (en) Lens for spectacles
JPS5384742A (en) Spectacle lens
USD245904S (en) Motorcycle fairing
USD249385S (en) Protective guard for an underwater pool light
USD250392S (en) Bottle
USD243951S (en) Pair of spectacles
JPS52146620A (en) Gauss type lens
JPS53122426A (en) Projector
JPS52140348A (en) Optical device for photo-processing
USD246517S (en) Boat
JPS51123904A (en) Pump device
USD248390S (en) Motorcycle wheel
JPS53128467A (en) Outer blade construction of electric razor
USD248733S (en) Loran receiver
USD248992S (en) Banjo
USD247926S (en) Banjo