ATE133796T1 - Multifokale, diffraktive optische vorrichtung - Google Patents

Multifokale, diffraktive optische vorrichtung

Info

Publication number
ATE133796T1
ATE133796T1 AT88310562T AT88310562T ATE133796T1 AT E133796 T1 ATE133796 T1 AT E133796T1 AT 88310562 T AT88310562 T AT 88310562T AT 88310562 T AT88310562 T AT 88310562T AT E133796 T1 ATE133796 T1 AT E133796T1
Authority
AT
Austria
Prior art keywords
optical device
diffractive optical
facet
multifocal diffractive
smooth curve
Prior art date
Application number
AT88310562T
Other languages
English (en)
Inventor
Allen L Dr Cohen
Original Assignee
Allen L Dr Cohen
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 Allen L Dr Cohen filed Critical Allen L Dr Cohen
Application granted granted Critical
Publication of ATE133796T1 publication Critical patent/ATE133796T1/de

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
    • G02C7/04—Contact lenses for the eyes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G02B5/189—Structurally combined with optical elements not having diffractive power
    • G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • 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
    • G02C7/024—Methods of designing ophthalmic lenses
    • G02C7/028—Special mathematical design techniques
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/042—Simultaneous type
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/20—Diffractive and Fresnel lenses or lens portions

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Materials For Medical Uses (AREA)
  • Laser Surgery Devices (AREA)
  • Polarising Elements (AREA)
  • Optical Integrated Circuits (AREA)
AT88310562T 1988-07-20 1988-11-10 Multifokale, diffraktive optische vorrichtung ATE133796T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22200088A 1988-07-20 1988-07-20

Publications (1)

Publication Number Publication Date
ATE133796T1 true ATE133796T1 (de) 1996-02-15

Family

ID=22830316

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88310562T ATE133796T1 (de) 1988-07-20 1988-11-10 Multifokale, diffraktive optische vorrichtung

Country Status (14)

Country Link
US (1) US4995715A (de)
EP (2) EP0351471B1 (de)
JP (1) JP2849097B2 (de)
KR (1) KR0141607B1 (de)
CN (1) CN1020134C (de)
AT (1) ATE133796T1 (de)
AU (1) AU622420B2 (de)
CA (1) CA1316727C (de)
DE (1) DE3854966T2 (de)
ES (1) ES2081811T3 (de)
GR (1) GR3019724T3 (de)
IE (2) IE960172L (de)
IL (1) IL88350A (de)
ZA (1) ZA888416B (de)

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Also Published As

Publication number Publication date
KR0141607B1 (ko) 1998-07-01
IL88350A0 (en) 1989-06-30
IE73484B1 (en) 1997-06-04
EP0681198A1 (de) 1995-11-08
AU2500488A (en) 1990-01-25
IE960172L (en) 1990-01-20
CN1020134C (zh) 1993-03-17
IE883377L (en) 1990-01-20
JPH0255314A (ja) 1990-02-23
ES2081811T3 (es) 1996-03-16
IL88350A (en) 1992-08-18
JP2849097B2 (ja) 1999-01-20
US4995715A (en) 1991-02-26
EP0351471A2 (de) 1990-01-24
EP0351471B1 (de) 1996-01-31
GR3019724T3 (en) 1996-07-31
ZA888416B (en) 1989-07-26
DE3854966T2 (de) 1996-05-30
AU622420B2 (en) 1992-04-09
KR900002101A (ko) 1990-02-28
CA1316727C (en) 1993-04-27
EP0351471A3 (en) 1990-07-25
CN1039487A (zh) 1990-02-07
DE3854966D1 (de) 1996-03-14

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