RU2015121708A - DEVICE AND METHOD FOR OPERATING A SERIAL WAVE FRONT SENSOR OF A LARGE DIOPTRY RANGE OF REAL TIME - Google Patents

DEVICE AND METHOD FOR OPERATING A SERIAL WAVE FRONT SENSOR OF A LARGE DIOPTRY RANGE OF REAL TIME Download PDF

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RU2015121708A
RU2015121708A RU2015121708A RU2015121708A RU2015121708A RU 2015121708 A RU2015121708 A RU 2015121708A RU 2015121708 A RU2015121708 A RU 2015121708A RU 2015121708 A RU2015121708 A RU 2015121708A RU 2015121708 A RU2015121708 A RU 2015121708A
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eye
subject
wavefront
deflection element
beam deflection
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RU2015121708A
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Ян Чжоу
Брэдфорд ЧУ
Уилльям ШИ
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Клэрити Медикал Системз, Инк.
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    • 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
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/00825—Methods or devices for eye surgery using laser for photodisruption
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00844—Feedback systems
    • A61F2009/00846—Eyetracking
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00844—Feedback systems
    • A61F2009/00848—Feedback systems based on wavefront
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00844—Feedback systems
    • A61F2009/00851—Optical coherence topography [OCT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00853—Laser thermal keratoplasty or radial keratotomy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
    • A61F2009/0087—Lens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
    • A61F2009/00872—Cornea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/04—Force
    • F04C2270/041—Controlled or regulated

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Vascular Medicine (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Eye Examination Apparatus (AREA)
  • Radiology & Medical Imaging (AREA)
  • Human Computer Interaction (AREA)
  • Measurement Of Optical Distance (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Microscoopes, Condenser (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

1. Датчик волнового фронта, содержащийисточник 172 света, сконфигурированный для подсветки глаза субъекта;детектор 122;датчик 162 изображения, сконфигурированный для вывода изображения глаза субъекта;первый элемент 112 отклонения пучка, сконфигурированный для перехвата пучка волнового фронта, возвращенного от глаза субъекта, когда глаз субъекта подсвечивается источником света, и сконфигурированный для направления части волнового фронта от глаза субъекта через апертуру к детектору; иконтроллер, связанный с источником света, датчиком изображения и элементом отклонения пучка, сконфигурированный для обработки изображения, чтобы определять поперечное движение глаза субъекта и управлять элементом отклонения пучка, чтобы отклонять и проецировать через апертуру части кольцевого сегмента волнового фронта, и дополнительно сконфигурированный для импульсной модуляции источника света с частотой запуска, чтобы дискретизировать выбранные части кольцевой окружности на детекторе, обрабатывать изображение глаза субъекта, чтобы вычислять поперечное движение глаза субъекта и ориентировать элемент отклонения пучка под углом DC смещения для компенсации поперечного движения глаза субъекта.2. Датчик волнового фронта по п. 1, причем контроллер дополнительно сконфигурирован для увеличения частоты пульсации для увеличения плотности дискретизации части кольцевой окружности.3. Датчик волнового фронта по п. 1, причем контроллер дополнительно сконфигурирован для фазового сдвига времени запуска, чтобы сдвигать по углу местоположения частей, дискретизируемых детектором.4. Датчик волнового фронта по п. 1, причем контроллер сконфигурирован для1. A wavefront sensor comprising a light source 172 configured to illuminate the subject's eye; detector 122; an image sensor 162 configured to output an image of the subject's eye; a first beam deflection element 112 configured to intercept a wavefront beam returned from the subject’s eye when the eye the subject is illuminated by a light source, and configured to direct a portion of the wavefront from the subject's eye through the aperture to the detector; an controller connected to the light source, the image sensor and the beam deflection element, configured to process the image to determine the transverse movement of the subject's eye and control the beam deflection element to deflect and project through the aperture portions of the annular wavefront segment, and further configured to pulse modulate the source light with a start frequency to discretize selected parts of the annular circle on the detector, process the image of the subject's eye, h Oba calculate the transverse movement of the eye of the subject and target beam deflection element at an angle to compensate for DC offset transverse motion subekta.2 eye. The wavefront sensor according to claim 1, wherein the controller is further configured to increase the ripple frequency to increase the sampling density of a portion of the annular circle. 3. The wavefront sensor according to claim 1, wherein the controller is further configured for a phase shift of the start time to shift in angle of location of the parts sampled by the detector. The wavefront sensor according to claim 1, wherein the controller is configured to

Claims (8)

1. Датчик волнового фронта, содержащий 1. The wavefront sensor containing источник 172 света, сконфигурированный для подсветки глаза субъекта;a light source 172 configured to illuminate the subject's eye; детектор 122; detector 122; датчик 162 изображения, сконфигурированный для вывода изображения глаза субъекта;an image sensor 162 configured to output an image of the subject's eye; первый элемент 112 отклонения пучка, сконфигурированный для перехвата пучка волнового фронта, возвращенного от глаза субъекта, когда глаз субъекта подсвечивается источником света, и сконфигурированный для направления части волнового фронта от глаза субъекта через апертуру к детектору; и a first beam deflection element 112 configured to intercept a wavefront beam returned from the subject’s eye when the subject’s eye is illuminated by a light source, and configured to direct a portion of the wavefront from the subject’s eye through the aperture to the detector; and контроллер, связанный с источником света, датчиком изображения и элементом отклонения пучка, сконфигурированный для обработки изображения, чтобы определять поперечное движение глаза субъекта и управлять элементом отклонения пучка, чтобы отклонять и проецировать через апертуру части кольцевого сегмента волнового фронта, и дополнительно сконфигурированный для импульсной модуляции источника света с частотой запуска, чтобы дискретизировать выбранные части кольцевой окружности на детекторе, обрабатывать изображение глаза субъекта, чтобы вычислять поперечное движение глаза субъекта и ориентировать элемент отклонения пучка под углом DC смещения для компенсации поперечного движения глаза субъекта.a controller associated with the light source, the image sensor and the beam deflection element, configured to process the image to determine the transverse movement of the subject's eye and control the beam deflection element to deflect and project portions of the wavefront ring segment through the aperture, and further configured for pulse modulation of the source light with a start frequency in order to discretize selected parts of the annular circle on the detector, process the image of the subject's eye, what to calculate the transverse movement of the subject eye and orient the beam deflection element at an angle to compensate for DC offset of the transverse motion of the subject's eyes. 2. Датчик волнового фронта по п. 1, причем контроллер дополнительно сконфигурирован для увеличения частоты пульсации для увеличения плотности дискретизации части кольцевой окружности. 2. The wavefront sensor according to claim 1, wherein the controller is further configured to increase the ripple frequency to increase the sampling density of a portion of the annular circle. 3. Датчик волнового фронта по п. 1, причем контроллер дополнительно сконфигурирован для фазового сдвига времени запуска, чтобы сдвигать по углу местоположения частей, дискретизируемых детектором. 3. The wavefront sensor according to claim 1, wherein the controller is further configured for a phase shift of the start time to shift in angle of location of the parts sampled by the detector. 4. Датчик волнового фронта по п. 1, причем контроллер сконфигурирован для управления элементом отклонения пучка, чтобы изменять радиус дискретизируемой части кольцевой окружности волнового фронта, так что множество кольцевых окружностей различных радиусов дискретизируются детектором. 4. The wavefront sensor according to claim 1, wherein the controller is configured to control the beam deflection element to change the radius of the sampled portion of the wavefront ring circumference, such that a plurality of ring circles of different radii are sampled by the detector. 5. Датчик волнового фронта по п. 1, причем контроллер сконфигурирован для управления элементом отклонения пучка, чтобы ограничивать размер радиуса в зависимости от диаметра зрачка глаза субъекта. 5. The wavefront sensor according to claim 1, wherein the controller is configured to control the beam deflection element to limit the size of the radius depending on the diameter of the pupil of the subject's eye. 6. Датчик волнового фронта по п. 1, причем контроллер сконфигурирован для управления элементом отклонения пучка для отклонения и проецирования через апертуру частей спирального сегмента волнового фронта на детектор. 6. The wavefront sensor according to claim 1, wherein the controller is configured to control the beam deflection element to deflect and project through the aperture portions of the spiral wavefront segment onto the detector. 7. Датчик волнового фронта по п. 1, в котором элемент отклонения пучка представляет собой отражатель на микроэлектромеханических системах (MEMS). 7. The wavefront sensor according to claim 1, wherein the beam deflection element is a reflector on microelectromechanical systems (MEMS). 8. Датчик волнового фронта по п. 1, в котором элемент отклонения пучка представляет собой поворотный отражающий элемент. 8. The wavefront sensor according to claim 1, wherein the beam deflection element is a rotatable reflective element.
RU2015121708A 2012-11-07 2013-11-06 DEVICE AND METHOD FOR OPERATING A SERIAL WAVE FRONT SENSOR OF A LARGE DIOPTRY RANGE OF REAL TIME RU2015121708A (en)

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US201261723531P 2012-11-07 2012-11-07
US61/723,531 2012-11-07
PCT/US2013/068786 WO2014074623A1 (en) 2012-11-07 2013-11-06 Apparatus and method for operating a real time large diopter range sequential wavefront sensor

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RU2015121708A RU2015121708A (en) 2012-11-07 2013-11-06 DEVICE AND METHOD FOR OPERATING A SERIAL WAVE FRONT SENSOR OF A LARGE DIOPTRY RANGE OF REAL TIME
RU2015121346A RU2015121346A (en) 2012-11-07 2013-11-06 DEVICE AND METHOD FOR OPERATING A SERIAL WAVE FRONT SENSOR OF A LARGE DIOPTRY RANGE OF REAL TIME
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