KR890008584A - 시각대 위상 채널 - Google Patents

시각대 위상 채널 Download PDF

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Publication number
KR890008584A
KR890008584A KR1019880014730A KR880014730A KR890008584A KR 890008584 A KR890008584 A KR 890008584A KR 1019880014730 A KR1019880014730 A KR 1019880014730A KR 880014730 A KR880014730 A KR 880014730A KR 890008584 A KR890008584 A KR 890008584A
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KR
South Korea
Prior art keywords
lens
contact lens
phase plate
ophthalmic contact
pure
Prior art date
Application number
KR1019880014730A
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English (en)
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KR0133918B1 (ko
Inventor
엘.코헨 알렌
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엘.코헨 알렌
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Publication of KR890008584A publication Critical patent/KR890008584A/ko
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Publication of KR0133918B1 publication Critical patent/KR0133918B1/ko

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Classifications

    • 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
    • G02C7/04—Contact lenses for the eyes
    • 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

Abstract

내용 없음

Description

시각대 위상 채널
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 4개의 대(Zones)를 갖는 중앙위상 플레이트(Central phase plate)및 주위 굴절 부위로 구성된 시각대(Optic zone:OZ)를 보유하는 콘택트렌즈의 정면도를 도시한 것이다.
제2도는 콘택렌즈의 기재커브의 중앙부분내로 절단된 환상 위상 에쉘리트(eshelettes)(PPE)를 포함하고 주의 환상굴절부분(R)을 포함하는 시각대를 가진 콘택트렌즈의 횡단측면도를 도시한 것이며, 이는 또한 0번째 서열초점에서 생성된 백터진폭을 도시한 것이다. 모사하는 주형에서 주조할 수 있다. 렌즈는 콘택트렌즈 제조시 사용되는 통상적인 플라스틱 및 유리로 제조할 수 있다.

Claims (19)

  1. 시각대내에 위상플레이트 및 순수한 굴절부분을 가진 안과용 콘택트렌즈.
  2. 시각대내에 위상플레이트 및 순수한 굴절부분을 가진 코헨렌즈 디자인의 안과용 콘택트렌즈.
  3. 위상플레이트와, 그속으로 통과하는 광선을 대칭적으로 지연시키는 0번째 서열의 회절만을 갖는 순수한 굴절부분을 포함하는 코헨렌즈 디자인의 다초점렌즈.
  4. 제3항에 있어서, 광학 수용성용역(optical receptive atea)이 다수의 환상위상대 플레이트를 포함하는 코헨렌즈 디자인의 다초점렌즈.
  5. 제3항에 있어서, 0번째 서열의 회절대가 위상대 플레이트의 광파동을 구조적으로 간섭하도록 광을 회절시켜 목적하는 초점에서 상을 형성시키거나 향상시키도록 하는 코헨렌즈 디자인의 다초점렌즈.
  6. 제3항에 있어서, 0번째 서열의 회절대가 렌즈내의 하나 또는 그 이상의 채널을 구성하는 코헨렌즈 디자인의 다초점렌즈.
  7. 제2항에 있어서, 렌즈가 다초점렌즈인 코헨렌즈 디자인의 안과용 콘택트렌즈.
  8. 제7항에 있어서, 순수한 굴절표면이 위상플레이트의 회절 굴절력중의 하나와 일치하는 굴절력을 갖도록 설계된 코헨렌즈 디자인의 안과용 콘택트렌즈.
  9. 제8항에 있어서, 순수한 굴절표면을 콘택트렌즈의 기재커브와 평행이 되도록 디자인 함으로써 시각대의 위상플레이트 부분의 0번째 회절 초점에 광을 집중시키는 코헨렌즈 디자인의 안과용 콘택트렌즈.
  10. 제9항에 있어서, 위상플레이트가 중앙에 위치하고 순수한 굴절표면이 시각대의 나머지 주위 환상부분을 형성하는 코헨렌즈 디자인의 안과용 콘택트렌즈.
  11. 제10항에 있어서, 렌즈내에 하나 또는 그 이상의 채널을 형성시킬수 있도록 순수한 굴절표면을 렌즈의 기재커브로 부터 제거한 코헨렌즈 디자인의 안과용 콘택트렌즈.
  12. 제11항에 있어서, 순수한 굴절채널을 콘택트렌즈의 기재커브와 필수적으로 평행이 되도록 설계함으로써 시각대의 위상플레이트부분의 0번째 회절성 초점에 광을 집중시키는 코헨렌즈 디자인의 안과용 콘택트렌즈.
  13. 제12항에 있어서, 0번째 및 1번째 서열의 회절초점사이에 광을 동등하게 분할 시킬 수 있도록 위상플레이트가 반-파동 에쉘리트를 갖도록 설계하고, 채널을 위상플레이트 주위에, 기재 커브하부의 1/4파동 깊이에 위치시킨 코헨렌즈 디자인의 안과용 콘택트렌즈.
  14. 제10항에 있어서, 전이대가 순수한 굴절 채널과 위상플레이트 사이의 접합부에 위치하는 코헨렌즈 디자인의 안과용 콘택트렌즈.
  15. 제14항에 있어서, 전이대가 위상플레이트의 경계를 정하는 환상대인 코헨렌즈 디자인의 안과용 콘택트렌즈.
  16. 제11항에 있어서, 렌즈를 눈에 착용할 수 있도록 순수한 굴절채널의 주위말단을 개방시킨 코헨렌즈 디자인의 안과용 콘택트렌즈.
  17. 제16항에 있어서, 전이대가 순수한 굴절채널과 위상플레이트 사이의 접합부에 위치하는 코헨렌즈 디자인의 안과용 콘택트렌즈.
  18. 제13항에 있어서, 렌즈를 눈에 착용할 수 있도록 순수한 굴절채널의 주위말단을 개방시킨 코헨렌즈 디자인의 안과용 콘택트렌즈.
  19. 제1항에 있어서, 순수한 굴절부분이 렌즈의 위상 플레이트의 초점 굴절력에 기여하는 위상전이에 영향을 미치는 안과용 콘택트렌즈.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880014730A 1987-11-12 1988-11-10 안과용 콘텍트 렌즈 및 다초점렌즈 KR0133918B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US120,265 1987-11-12
US07/120,265 US4881804A (en) 1987-11-12 1987-11-12 Multifocal phase plate with a pure refractive portion

Publications (2)

Publication Number Publication Date
KR890008584A true KR890008584A (ko) 1989-07-12
KR0133918B1 KR0133918B1 (ko) 1998-04-20

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Application Number Title Priority Date Filing Date
KR1019880014730A KR0133918B1 (ko) 1987-11-12 1988-11-10 안과용 콘텍트 렌즈 및 다초점렌즈

Country Status (14)

Country Link
US (1) US4881804A (ko)
EP (1) EP0316162B1 (ko)
JP (1) JP2798399B2 (ko)
KR (1) KR0133918B1 (ko)
CN (1) CN1018202B (ko)
AT (1) ATE129078T1 (ko)
AU (1) AU605725B2 (ko)
CA (1) CA1336654C (ko)
DE (1) DE3854569T2 (ko)
ES (1) ES2078220T3 (ko)
GR (1) GR3018458T3 (ko)
IE (1) IE71665B1 (ko)
IL (1) IL88346A (ko)
ZA (1) ZA888415B (ko)

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EP0316162A3 (en) 1990-07-18
KR0133918B1 (ko) 1998-04-20
IE883374L (en) 1989-05-12
US4881804A (en) 1989-11-21
AU2501888A (en) 1989-05-18
GR3018458T3 (en) 1996-03-31
DE3854569T2 (de) 1996-03-21
JPH01154119A (ja) 1989-06-16
CA1336654C (en) 1995-08-15
DE3854569D1 (de) 1995-11-16
ATE129078T1 (de) 1995-10-15
IL88346A (en) 1992-05-25
CN1018202B (zh) 1992-09-09
AU605725B2 (en) 1991-01-17
CN1035363A (zh) 1989-09-06
ZA888415B (en) 1989-07-26
ES2078220T3 (es) 1995-12-16
IL88346A0 (en) 1989-06-30
EP0316162A2 (en) 1989-05-17
IE71665B1 (en) 1997-02-26
EP0316162B1 (en) 1995-10-11
JP2798399B2 (ja) 1998-09-17

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