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BR9913130A - Aparelho e método para medir defeitos de visão de um olho humano - Google Patents

Aparelho e método para medir defeitos de visão de um olho humano

Info

Publication number
BR9913130A
BR9913130A BR9913130-7A BR9913130A BR9913130A BR 9913130 A BR9913130 A BR 9913130A BR 9913130 A BR9913130 A BR 9913130A BR 9913130 A BR9913130 A BR 9913130A
Authority
BR
Brazil
Prior art keywords
eye
retina
wavefront
cornea
focusing
Prior art date
Application number
BR9913130-7A
Other languages
English (en)
Inventor
Junzhog Liang
James H Burkhalter
Original Assignee
Autonomous Technologies 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 Autonomous Technologies Corp filed Critical Autonomous Technologies Corp
Publication of BR9913130A publication Critical patent/BR9913130A/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/1015—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for wavefront analysis

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Patente de Invenção: <B>"APARELHO E MéTODO PARA MEDIR DEFEITOS DE VISãO DE UM OLHO HUMANO"<D>. As características óticas de sistemas óticos, tais como o olho, são medidas incluindo defeitos de visão do olho usando um feixe colimado a partir de um laser de diodo focalizado sobre a superfície anterior da córnea do olho, para prover uma fonte finita de radiação secundária sobre a retina do olho, cuja imagem está próxima de uma mancha de difração limitada desejada. A radiação secundária é refletida de volta a partir da retina como uma frente de onda refletida de radiação que passa através do olho e está dirigida para um analisador de frente de onda onde são medidas distorções associadas à frente de onda refletida. Mediante a focalização sobre a córnea através de uma lente de distância focal grande, e assim convergindo o feixe através de um ângulo pequeno, ao contrário de tipicamente focalizar uma luz colimada sobre a retina, são eliminados a necessidade de lentes ou combinações de lentes, e o tempo necessário para ajustar as mesmas para acomodar a visão diferente de cada paciente.
BR9913130-7A 1998-08-19 1999-04-20 Aparelho e método para medir defeitos de visão de um olho humano BR9913130A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9708698P 1998-08-19 1998-08-19
PCT/US1999/008709 WO2000010448A1 (en) 1998-08-19 1999-04-20 Apparatus and method for measuring vision defects of a human eye

Publications (1)

Publication Number Publication Date
BR9913130A true BR9913130A (pt) 2001-05-08

Family

ID=22260948

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9913130-7A BR9913130A (pt) 1998-08-19 1999-04-20 Aparelho e método para medir defeitos de visão de um olho humano

Country Status (12)

Country Link
US (1) US6270221B1 (pt)
EP (1) EP1105037B1 (pt)
JP (1) JP3599276B2 (pt)
AT (1) ATE222074T1 (pt)
AU (1) AU747840B2 (pt)
BR (1) BR9913130A (pt)
CA (1) CA2338060C (pt)
DE (1) DE69902549T2 (pt)
ES (1) ES2184445T3 (pt)
MX (1) MXPA01001167A (pt)
PT (1) PT1105037E (pt)
WO (1) WO2000010448A1 (pt)

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CA2338060A1 (en) 2000-03-02
JP3599276B2 (ja) 2004-12-08
MXPA01001167A (es) 2002-04-24
WO2000010448A1 (en) 2000-03-02
CA2338060C (en) 2005-03-15
AU747840B2 (en) 2002-05-23
PT1105037E (pt) 2002-11-29
AU3657699A (en) 2000-03-14
DE69902549T2 (de) 2003-04-17
EP1105037A1 (en) 2001-06-13
US6270221B1 (en) 2001-08-07
ES2184445T3 (es) 2003-04-01
ATE222074T1 (de) 2002-08-15
EP1105037B1 (en) 2002-08-14
DE69902549D1 (de) 2002-09-19
JP2002523119A (ja) 2002-07-30

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