Presbyopia correction through negative spherical aberration
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-009/01
A61F-009/007
A61F-009/00
G02C-007/04
A61F-009/008
출원번호
US-0436743
(2009-05-06)
등록번호
US-9358154
(2016-06-07)
발명자
/ 주소
Somani, Seema
Yee, Kingman
출원인 / 주소
AMO Manufacturing USA, LLC
대리인 / 주소
Abbott Medical Optica Inc.
인용정보
피인용 횟수 :
1인용 특허 :
44
초록▼
Devices, systems, and methods for treating and/or determining appropriate prescriptions for one or both eyes of a patient are particularly well-suited for addressing presbyopia, often in combination with concurrent treatments of other vision defects. High-order spherical aberration may be imposed in
Devices, systems, and methods for treating and/or determining appropriate prescriptions for one or both eyes of a patient are particularly well-suited for addressing presbyopia, often in combination with concurrent treatments of other vision defects. High-order spherical aberration may be imposed in one or both of a patient's eyes, often as a controlled amount of negative spherical aberration extending across a pupil. A desired presbyopia-mitigating quantity of high-order spherical aberration may be defined by one or more spherical Zernike coefficients, which may be combined with Zernike coefficients generated from a wavefront aberrometer. The resulting prescription can be imposed using refractive surgical techniques such as laser eye surgery, using intraocular lenses and other implanted structures, using contact lenses, using temporary or permanent corneal reshaping techniques, and/or the like.
대표청구항▼
1. A method for treating an eye of a presbyopic patient with a prescription, the eye having a cornea, a retina, and a pupil, the method comprising: obtaining a plurality of refractive Zernike coefficients corresponding to sensed aberrations of the eye, wherein the plurality of refractive Zernike coe
1. A method for treating an eye of a presbyopic patient with a prescription, the eye having a cornea, a retina, and a pupil, the method comprising: obtaining a plurality of refractive Zernike coefficients corresponding to sensed aberrations of the eye, wherein the plurality of refractive Zernike coefficients are generated by a wavefront sensing system;executing on a computer system with a processor a prescription generator module stored on a non-transitory computer readable medium defining the prescription by combining the plurality of refractive Zernike coefficients with at least one presbyopia-mitigating Zernike coefficient, the at least one presbyopia-mitigating Zernike coefficient comprising at least one high-order Zernike coefficient corresponding to a presbyopia-mitigating quantity of high-order spherical aberration for the eye; andimposing an overall negative high-order spherical aberration on the eye by treating the eye with the prescription by controlling a laser, wherein the prescription causes the eye to form an image of a point source at a viewing distance from the eye in a plane between the cornea and the retina, the image having a central area with a central intensity surrounded by a peripheral area with a peripheral intensity, the central intensity being higher than the peripheral intensity. 2. The method of claim 1, wherein the step of treating the eye with the prescription provides the eye with negative spherical aberration across the pupil that is in a range from 0.05 to 0.4 microns. 3. The method of claim 2, wherein the step of treating the eye with the prescription provides the eye with negative spherical aberration across the pupil that is in a range from 0.1 to 0.3 microns. 4. The method of claim 3, wherein the step of treating the eye with the prescription provides the eye with negative spherical aberration across the pupil that is in a range from 0.15 to 0.25 microns. 5. A system for treating presbyopia of an eye, the eye having a pupil, a cornea, and a retina, the system comprising: a computer system having stored on a non-transitory computer readable medium a prescription generator module, the prescription generator module comprising instructions configured to perform the method of: obtaining a plurality of refractive Zernike coefficients corresponding to sensed aberrations of the eye generated by a wavefront sensing system;defining the prescription by combining the plurality of refractive Zernike coefficients with at least one high-order spherical aberration Zernike coefficient; andimposing an overall negative high-order spherical aberration on the eye by treating the eye with the prescription, wherein the prescription causes the eye to form an image of a point source at a viewing distance from the eye in a plane between the cornea and the retina, the image having a central area with a central intensity surrounded by a peripheral area with a peripheral intensity, the central intensity being higher than the peripheral intensity; anda laser controlled by the computer system based upon the prescription, thereby imposing the overall negative high-order spherical aberration on the eye. 6. The system of claim 5, wherein the treating the eye with the prescription provides the eye with a presbyopia-mitigating quantity of negative spherical aberration that is in a range from 0.05 to 0.4 microns of negative spherical aberration across the pupil. 7. The system of claim 6, wherein the treating the eye with the prescription provides the eye with a presbyopia-mitigating quantity of negative spherical aberration that is in a range from 0.1 to 0.3 microns of negative spherical aberration across the pupil. 8. The system of claim 7, wherein the treating the eye with the prescription provides the eye with a presbyopia-mitigating quantity of negative spherical aberration that is in a range from 0.15 to 0.25 microns of negative spherical aberration across the pupil.
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이 특허에 인용된 특허 (44)
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Odrich Marc ; Greenberg Kenneth ; Legerton Jerome A. ; Munnerlyn Charles R. ; Shimmick John K., Method and systems for laser treatment of presbyopia using offset imaging.
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