Systems and methods for evaluating treatment tables for refractive surgery
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-009/008
A61B-003/00
A61B-003/10
A61B-005/05
출원번호
US-0749751
(2010-03-30)
등록번호
US-8409178
(2013-04-02)
발명자
/ 주소
Dai, Guangming
Hofer, Richard A.
Chernyak, Dimitri
출원인 / 주소
AMO Development LLC.
대리인 / 주소
AMO Development LLC.
인용정보
피인용 횟수 :
5인용 특허 :
28
초록▼
Treatment table verification techniques involve comparing intended refraction information with expected optical refraction information, and validating or qualifying the treatment table based on such comparisons. Systems and methods for verifying treatment tables provide enhanced safety for laser vis
Treatment table verification techniques involve comparing intended refraction information with expected optical refraction information, and validating or qualifying the treatment table based on such comparisons. Systems and methods for verifying treatment tables provide enhanced safety for laser vision correction treatments.
대표청구항▼
1. A method of evaluating a treatment table for use in an ophthalmologic refractive surgery for a patient, the method comprising: inputting a treatment table containing laser ablation instructions for treating the patient into a treatment instructions module;determining a simulated ablation for the
1. A method of evaluating a treatment table for use in an ophthalmologic refractive surgery for a patient, the method comprising: inputting a treatment table containing laser ablation instructions for treating the patient into a treatment instructions module;determining a simulated ablation for the patient based on the laser ablation instructions with a simulation ablation module;inputting a pupil dimension of the patient into a pupil dimension module;determining an expected optical refraction for the patient based on the pupil dimension and the simulated ablation with an expected optical refraction module, wherein the expected optical refraction for the patient is dependent on a sphere ophthalmic term characterized by a set of second radial order polynomial terms, a cylinder ophthalmic term characterized by the set of second radial order polynomial terms, and an axis ophthalmic term characterized by the set of second radial order polynomial terms, and wherein the expected optical refraction profile is independent of a piston ophthalmic term characterized by a zero radial order polynomial term, an x-tilt ophthalmic term characterized by a set of first radial order polynomial terms, and a y-tilt ophthalmic term characterized by the set of first radial order polynomial terms;inputting an intended optical refraction for the patient into an intended refraction module, wherein the intended optical refraction for the patient is dependent on a sphere ophthalmic term, a cylinder ophthalmic term, and an axis ophthalmic term, and wherein the intended optical refraction profile is independent of a piston ophthalmic term, an x-tilt ophthalmic term, and a y-tilt ophthalmic term; andevaluating the treatment table by comparing the expected and intended optical refractions for the patient with a comparison module. 2. The method according to claim 1, wherein the set of second radial order polynomial terms comprises a set of second radial order Zernike polynomial terms, the zero radial order polynomial term comprises a zero radial order Zernike polynomial term, and the set of first radial order polynomial terms comprises a set of first radial order Zernike polynomial terms. 3. The method according to claim 1, wherein the set of second radial order polynomial terms comprises a set of second radial order Seidel power series terms, the zero radial order polynomial term comprises a zero radial order Seidel power series term, and the set of first radial order polynomial terms comprises a set of first radial order Seidel power series terms. 4. The method according to claim 1, wherein the expected optical refraction and the intended optical refraction each correspond to a common plane. 5. The method according to claim 1, wherein the expected optical refraction and the intended optical refraction each correspond to a corneal plane. 6. The method according to claim 1, wherein the pupil dimension of the patient corresponds to a wavefront diameter related to a wavescan of the patient. 7. The method according to claim 6, wherein the pupil dimensional of the patient comprises a pupil diameter that is equivalent to the wavefront diameter. 8. The method according to claim 1, wherein the pupil dimension of the patient comprises a pupil diameter of about 4 mm. 9. The method according to claim 1, further comprising determining if a difference between the expected and intended optical refractions for the patient is within a pre-defined tolerance. 10. The method according to claim 9, further comprising qualifying the treatment table for use in the ophthalmologic refractive surgery for the patient if the difference between the expected and intended optical refractions is within the pre-defined tolerance. 11. The method according to claim 9, further comprising disqualifying the treatment table for use in the ophthalmologic refractive surgery for the patient if the difference between the expected and intended optical refractions is not within the pre-defined tolerance. 12. A system for evaluating a treatment table for use in an ophthalmologic refractive surgery for a patient, the system comprising: a treatment instructions module that accepts a treatment table containing laser ablation instructions for treating the patient;a simulation ablation module comprising a tangible medium embodying machine-readable code that determines a simulated ablation for the patient based on the laser ablation instructions;a pupil dimension module that accepts a pupil dimension of the patient;an expected optical refraction module comprising a tangible medium embodying machine-readable code that determines an expected optical refraction for the patient based on the pupil dimension and the simulated ablation, wherein the expected optical refraction for the patient is dependent on a sphere ophthalmic term characterized by a set of second radial order polynomial terms, a cylinder ophthalmic term characterized by the set of second radial order polynomial terms, and an axis ophthalmic term characterized by the set of second radial order polynomial terms, and wherein the expected optical refraction profile is independent of a piston ophthalmic term characterized by a zero radial order polynomial term, an x-tilt ophthalmic term characterized by a set of first radial order polynomial terms, and a y-tilt ophthalmic term characterized by the set of first radial order polynomial terms;an intended refraction module that accepts an intended optical refraction for the patient, wherein the intended optical refraction for the patient is dependent on a sphere ophthalmic term, a cylinder ophthalmic term, and an axis ophthalmic term, and wherein the intended optical refraction profile is independent of a piston ophthalmic term, an x-tilt ophthalmic term, and a y-tilt ophthalmic term; anda comparison module comprising a non-transitory tangible medium embodying machine-readable code that evaluates the treatment table by comparing the expected and intended optical refractions for the patient. 13. The system according to claim 12, wherein the set of second radial order polynomial terms comprises a set of second radial order Zernike polynomial terms, the zero radial order polynomial term comprises a zero radial order Zernike polynomial term, and the set of first radial order polynomial terms comprises a set of first radial order Zernike polynomial terms. 14. The system according to claim 12, wherein the expected optical refraction and the intended optical refraction each correspond to a common plane. 15. The system according to claim 12, wherein the expected optical refraction and the intended optical refraction each correspond to a corneal plane. 16. The system according to claim 12, further comprising a validation module comprising a tangible medium embodying machine-readable code that determines if a difference between the expected and intended optical refractions for the patient is within a pre-defined tolerance, and a qualification module comprising a tangible medium embodying machine-readable code that qualifies the treatment table for use in the ophthalmologic refractive surgery for the patient if the difference between the expected and intended optical refractions is within the pre-defined tolerance. 17. A computer program product embodied on a non-transitory tangible computer readable medium, comprising: computer code for inputting a treatment table containing laser ablation instructions for treating the patient;computer code for determining a simulated ablation for the patient based on the laser ablation instructions;computer code for inputting a pupil dimension of the patient;computer code for determining an expected optical refraction for the patient based on the pupil dimension and the simulated ablation, wherein the expected optical refraction for the patient is dependent on a sphere ophthalmic term characterized by a set of second radial order polynomial terms, a cylinder ophthalmic term characterized by the set of second radial order polynomial terms, and an axis ophthalmic term characterized by the set of second radial order polynomial terms, and wherein the expected optical refraction profile is independent of a piston ophthalmic term characterized by a zero radial order polynomial term, an x-tilt ophthalmic term characterized by a set of first radial order polynomial terms, and a y-tilt ophthalmic term characterized by the set of first radial order polynomial terms;computer code for inputting an intended optical refraction for the patient, wherein the intended optical refraction for the patient is dependent on a sphere ophthalmic term, a cylinder ophthalmic term, and an axis ophthalmic term, and wherein the intended optical refraction profile is independent of a piston ophthalmic term, an x-tilt ophthalmic term, and a y-tilt ophthalmic term; andcomputer code for evaluating the treatment table by comparing the expected and intended optical refractions for the patient with a comparison module. 18. The computer program product according to claim 17, wherein the set of second radial order polynomial terms comprises a set of second radial order Zernike polynomial terms, the zero radial order polynomial term comprises a zero radial order Zernike polynomial term, and the set of first radial order polynomial terms comprises a set of first radial order Zernike polynomial terms. 19. The computer program product according to claim 17, wherein the expected optical refraction and the intended optical refraction each correspond to a common plane. 20. The computer program product according to claim 17, wherein the expected optical refraction and the intended optical refraction each correspond to a corneal plane. 21. The computer program product according to claim 17, further comprising: computer code for determining if a difference between the expected and intended optical refractions for the patient is within a pre-defined tolerance; andcomputer code for qualifying the treatment table for use in the ophthalmologic refractive surgery for the patient if the difference between the expected and intended optical refractions is within the pre-defined tolerance.
Hohla Kristian (Vaterstetten DEX), Apparatus for modifying the surface of the eye through large beam laser polishing and method of controlling the apparatu.
Shimmick John K. ; Telfair William B. ; Munnerlyn Charles R. ; Glockler Herrmann J., Method and system for laser treatment of refractive errors using offset imaging.
Frey Rudolph W. ; Burkhalter James H. ; Zepkin Neil ; Poppeliers Edward ; Campin John A., Objective measurement and correction of optical systems using wavefront analysis.
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