MXPA03001170A - Metodo y dispositivo para hacer una cartografia sincronizada de la no homogeneidad de refraccion total del ojo y sus componentes de refraccion. - Google Patents

Metodo y dispositivo para hacer una cartografia sincronizada de la no homogeneidad de refraccion total del ojo y sus componentes de refraccion.

Info

Publication number
MXPA03001170A
MXPA03001170A MXPA03001170A MXPA03001170A MXPA03001170A MX PA03001170 A MXPA03001170 A MX PA03001170A MX PA03001170 A MXPA03001170 A MX PA03001170A MX PA03001170 A MXPA03001170 A MX PA03001170A MX PA03001170 A MXPA03001170 A MX PA03001170A
Authority
MX
Mexico
Prior art keywords
eye
optical axis
instrument
instrument optical
probing beam
Prior art date
Application number
MXPA03001170A
Other languages
English (en)
Inventor
Youssef Wakil
Original Assignee
Tracey Technologies Llc
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 Tracey Technologies Llc filed Critical Tracey Technologies Llc
Publication of MXPA03001170A publication Critical patent/MXPA03001170A/es

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
    • 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
    • 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
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
    • 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
    • A61B3/0016—Operational features thereof
    • A61B3/0066—Operational features thereof with identification means for the apparatus

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)

Abstract

Se proporciona un instrumento que mide, en forma sincronizada, los errores de refraccion del sistema optico de un ojo y sus componentes refractivos que tienen: un sistema de lentes que define un eje optico del instrumento y un dispositivo de alineacion que sincroniza el eje visual del ojo con el eje optico del instrumento. Una fuente luminosa (120) produce un haz de sondeo (122) que es proyectado a traves del sistema de lentes paralelo al eje optico del instrumento y es susceptible de ser selectivamente colocado, en forma parcial, desplazado del eje optico del instrumento para entras al ojo, paralelo al eje optico del instrumento en una pluralidad de posiciones de la abertura de ojo. Un primer fotodetector (144) mide la posicion de una primera porcion de la reflexion difusa del haz luminoso de sondeo que proviene de la retina (135) del ojo (130) a fin de determinar el error de refraccion total del sistema optico del ojo en una pluralidad de posiciones. Un segundo fotodetector (156) mide, en forma sincronizada, la posicion de una segunda porcion de la reflexion difusa del haz luminoso de sondeo reflejada de regreso a partir de las corneas de los ojos a fin de determinar la forma de la cornea (131) y de esta manera, derivar los otros componentes refractivos.
MXPA03001170A 2000-08-08 2001-08-08 Metodo y dispositivo para hacer una cartografia sincronizada de la no homogeneidad de refraccion total del ojo y sus componentes de refraccion. MXPA03001170A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/634,487 US6409345B1 (en) 2000-08-08 2000-08-08 Method and device for synchronous mapping of the total refraction non-homogeneity of the eye and its refractive components
PCT/US2001/041622 WO2002011612A1 (en) 2000-08-08 2001-08-08 Method and device for synchronous mapping

Publications (1)

Publication Number Publication Date
MXPA03001170A true MXPA03001170A (es) 2004-09-10

Family

ID=24544003

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03001170A MXPA03001170A (es) 2000-08-08 2001-08-08 Metodo y dispositivo para hacer una cartografia sincronizada de la no homogeneidad de refraccion total del ojo y sus componentes de refraccion.

Country Status (9)

Country Link
US (2) US6409345B1 (es)
EP (1) EP1309269A4 (es)
JP (1) JP4689141B2 (es)
KR (1) KR100888867B1 (es)
AU (2) AU2001294998B2 (es)
BR (1) BR0113150A (es)
CA (1) CA2421756A1 (es)
MX (1) MXPA03001170A (es)
WO (1) WO2002011612A1 (es)

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EP1309269A1 (en) 2003-05-14
EP1309269A4 (en) 2007-02-28
US6409345B1 (en) 2002-06-25
WO2002011612A8 (en) 2002-03-28
AU9499801A (en) 2002-02-18
KR20030036683A (ko) 2003-05-09
KR100888867B1 (ko) 2009-03-17
US20030011745A1 (en) 2003-01-16
JP2004505657A (ja) 2004-02-26
CA2421756A1 (en) 2002-02-14
AU2001294998B2 (en) 2007-03-29
US6932475B2 (en) 2005-08-23
JP4689141B2 (ja) 2011-05-25
WO2002011612A1 (en) 2002-02-14
BR0113150A (pt) 2004-04-20

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