KR910020460A - 안과용 다촛점 렌즈 - Google Patents

안과용 다촛점 렌즈 Download PDF

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KR910020460A
KR910020460A KR1019910007736A KR910007736A KR910020460A KR 910020460 A KR910020460 A KR 910020460A KR 1019910007736 A KR1019910007736 A KR 1019910007736A KR 910007736 A KR910007736 A KR 910007736A KR 910020460 A KR910020460 A KR 910020460A
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lens
multifocal
diffractive
primary
multifocal lens
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KR100207164B1 (ko
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엠. 실버맨 돈
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조엘 알. 페트로우
이오랩 코포레이션
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    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal
    • G02C7/044Annular configuration, e.g. pupil tuned
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2/1613Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1616Pseudo-accommodative, e.g. multifocal or enabling monovision
    • A61F2/1618Multifocal lenses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2/1613Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1654Diffractive lenses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2/1613Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1654Diffractive lenses
    • A61F2/1656Fresnel lenses, prisms or plates
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/18Diffraction gratings
    • G02B5/1876Diffractive Fresnel lenses; Zone plates; Kinoforms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/18Diffraction gratings
    • G02B5/1876Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G02B5/188Plurality of such optical elements formed in or on a supporting substrate
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal
    • G02C7/042Simultaneous type
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal
    • G02C7/045Sectorial configuration
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/20Diffractive and Fresnel lenses or lens portions

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)

Abstract

내용 없음

Description

안과용 다촛점 렌즈
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 회절성 렌즈 소자의 광학 효율을 도시한 그래프, 제7도는 본 발명에 따라 제조된 이중 촛점의 안구내의 렌즈를 통한 광선의 통로를 도시한 개략도, 제8도는 본 발명에 따라 제조된 이중 촛점의 콘택트렌즈를 통한 광선의 통로를 도시한 개략도.

Claims (33)

  1. 기본 렌즈 배율과 기본 촛점 거리를 갖춘 기본 렌즈 소자와, 기본 렌즈 소자의 하나 또는 그 이상의 영역을 덮고 회절력을 갖춘 하나 또는 그 이상의 회절 소자를 구성하는데, 상기 렌즈를 통과하는 광선의 일부는 기본렌즈 배율로 기본 초점 거리상에서 집중되고, 렌즈를 통과하는 광선의 그외부분은 상기 기본렌즈 소자 및 회절소자의 결합적으로 다른 초점 거리상에서 집중되는 것을 특징으로 하는 시각 교정용 다촛점 렌즈.
  2. 제1항에 있어서, 상기 렌즈는 콘택트렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  3. 제1항에 있어서, 상기 렌즈는 안구내의 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  4. 제1항에 있어서, 상기 기본 렌즈 배율은 굴절에 의해서 제공되는 것을 특징으로 하는 다촛점 렌즈.
  5. 제1항에 있어서, 상기 기본 렌즈 소자는 양면 볼록 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  6. 제4항에 있어서 상기 기본 렌즈 소자는 메니스커스 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  7. 제4항에 있어서, 상기 기본 렌즈 소자는 판형 볼록 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  8. 제1항에 있어서, 상기 회절 영역은 거의 환형 패턴으로 배열되는 것을 특징으로 하는 다촛점 렌즈.
  9. 제1항에 있어서, 상기 회절 영역은 반구형 영역으로 교번되듯이 배열되는 것을 특징으로 하는 다촛점 렌즈.
  10. 제1항에 있어서, 상기 회절 영역은 4분 구형 영역으로 교번되듯이 배열되는 것을 특징으로 하는 다촛점 렌즈.
  11. 제8항에 있어서, 상기 회절 소자는 0보다 큰 내측 직경과 상기 렌즈의 직경보다 작은 외측 직경을 갖춘 환형 영역을 구성하는 것을 특징으로 하는 다촛점 렌즈.
  12. 제11항에 있어서, 상기 회절 소자의 내측 직경은 약 1.30㎜이고 외측 직경은 약 3.36㎜인 것을 특징으로 하는 다촛점 렌즈.
  13. 제8항에 있어서, 상기 회절 소자는 렌즈의 기하학적인 중심부에 대해 배열된 원형 영역과, 0보다 큰 내측 직경과 상기 렌즈의 직경보다 작은 외측 직경을 갖춘 환형 영역으로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  14. 제13항에 있어서 상기 원형 영역의 직경은 약 1,72㎜고, 상기 회절 소저의 내측 직경은 약 2.90이고 외측 직경은 약 4.60㎜인 것을 특징으로 하는 다촛점 렌즈.
  15. 제1항에 있어서, 상기 회절 영역은 약2디옵터 보다 큰 굴절력을 구성하는 것을 특징으로
    하는 다촛점 렌즈.
  16. 제1항에 있어서, 상기 렌즈의 광학 효율은 약85%이상인 것을 특징으로 하는 다촛점 렌즈.
  17. 제16항에 있어서, 상기 렌즈의 광학 효율은 약 100%이상인 것을 특징으로 하는 다촛점 렌즈.
  18. 제1항에 있어서, 상기 회절 소자는 프레넬 영역판 소자를 구성하는 것을 특징으로 하는 다촛점 렌즈.
  19. 제1항에 있어서, 상기 회절 소자는 홀로 그래픽 소자를 구성하는 것을 특징으로 하는 다촛점 렌즈.
  20. 기본 렌즈 배율과 기본 초점 거리를 갖춘 기본 렌즈 소자와, 기본 렌즈 소자의 하나 또는 그이상의 영역을 덮고 제1회절력을 갖춘 하나 또는 그 이상의 제1회절 소자와, 기본 렌즈 소자의 하나 또는 그 이상의 영역을 덮고 제2회절력을 갖춘 하나 또는 그 이상의 제2회절 소자를 구성하는데, 상기 렌즈를 통과하는 광선의 제1부분은 기본렌즈 소자와 제1회절 소자의 결합력으로 제1촛점 거리에서 집중되고, 상기 렌즈를 통과하는 광선의 그외 부분은 기본 렌즈 소자와 제2회절 소자의 결합력으로 제2촛점 거리에 집중되는 것을 특징으로 하는 시각 교정용 다촛점 렌즈.
  21. 제20항에 있어서, 상기 렌즈는 콘택트렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  22. 제20항에 있어서, 상기 렌즈는 안구내의 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  23. 제20항에 있어서, 상기 기본 렌즈 배율은 굴절에 의해서 제공되는 것을 특징으로 하는 다촛점 렌즈.
  24. 제20항에 있어서, 상기 기본 렌즈 소자는 양면 볼록 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈
  25. 제23항에 있어서, 상기 기본 렌즈 소자는 메니스커스 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  26. 제23항에 있어서, 상기 기본 렌즈 소자는 판형 볼록 렌즈로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  27. 제20항에 있어서, 상기 회절 영역은 거의 환형 패턴으로 배열되는 것을 특징으로 하는 다촛점 렌즈.
  28. 제20항에 있어서, 상기 회절 영역은 반구형 영역으로 교번되듯이 배열되듯이 배열되는 것을 특징으로 하는 다촛점 렌즈.
  29. 제20항에 있어서, 상기 회절 영역은 4분 구형 영역으로 교번되듯이 배열되는 것을 특징으로 하는 다촛점 렌즈.
  30. 제27항에 있어서, 상기 회절 소자는 0보다 큰 내측 직경과 상기 렌즈의 직경 보다 작은 외측 직경을 갖춘 환형 영역을 구성되는 것을 특징으로 하는 다촛점 렌즈.
  31. 제20항에 있어서, 상기 회절 소자는 기하학적인 중심부에 대해 배열된 원형 영역과, 0보다 큰 내측 직경과 상기 렌즈의 직경보다 작은 외측 직경을 갖춘 환형 영역으로 구성되는 것을 특징으로 하는 다촛점 렌즈.
  32. 제20항에 있어서 상기 회절 소자는 광학 효율은 약85%이상인 것을 특징으로 하는 다촛점렌즈.
  33. 제20항에 있어서, 상기 회절 소자는 광학 효율은 약100%이상인 것을 특징으로 하는 다촛점 렌즈.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910007736A 1990-05-14 1991-05-14 안과용 다촛점 렌즈 KR100207164B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US523,146 1983-08-15
US07/523,146 US5096285A (en) 1990-05-14 1990-05-14 Multifocal multizone diffractive ophthalmic lenses

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Publication Number Publication Date
KR910020460A true KR910020460A (ko) 1991-12-20
KR100207164B1 KR100207164B1 (ko) 1999-07-15

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US (1) US5096285A (ko)
EP (1) EP0457553B1 (ko)
KR (1) KR100207164B1 (ko)
AU (1) AU662291B2 (ko)
DE (1) DE69130812T2 (ko)
ES (1) ES2131045T3 (ko)
IE (1) IE911639A1 (ko)
MX (1) MX174633B (ko)
MY (1) MY106155A (ko)
NZ (1) NZ238077A (ko)
PT (1) PT97656A (ko)
ZA (1) ZA913611B (ko)

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DE69130812D1 (de) 1999-03-11
EP0457553B1 (en) 1999-01-27
AU662291B2 (en) 1995-08-31
EP0457553A2 (en) 1991-11-21
MY106155A (en) 1995-03-31
MX174633B (es) 1994-05-30
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