Treatment validation systems and methods

Patent metadata

Field	Value
Publication number	US-10098785-B2
Application number	US-201615294070-A
Country	US
Kind code	B2
Filing date	Oct 14, 2016
Priority date	Mar 18, 2011
Publication date	Oct 16, 2018
Grant date	Oct 16, 2018

Abstract

Treatment validation techniques include generating a modified treatment target from an original treatment target using a modification process, and comparing induced aberrations provided by the original and modified treatment targets, so as to verify the modified treatment target or the modification process. In some cases, a modification process may include a deconvolution process, a low pass filter process, a scaling process, or an adjustment process. The induced aberrations may include high order aberrations, such as spherical aberration.

First claim

What is claimed is:

1. A system for determining a vision treatment for an eye of a patient, the system comprising:
an input that receives an original target profile for the eye of the patient;
a processor; and
computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions that when executed by the processor cause the processor to determine a deconvolved target profile based on the original target profile and a low pass filter, to determine a scaled target profile based on the deconvolved target profile and a scale factor, and to determine the vision treatment based on the scaled target profile,
wherein the scale factor is based on a low order refraction measure of a test eye population and a low order refraction measure of a convolved test eye population profile, and
wherein the convolved test eye population profile is based on a convolution of the test eye population profile.

2. The system according to claim 1 , wherein the low pass filter is an optimized linear filter.

3. The system according to claim 1 , wherein the scale factor has a value within a range from about 0.4 to about 0.8.

4. The system according to claim 1 , wherein the scale factor has a value of about 0.7489.

5. The system according to claim 1 , wherein the low order refraction measure of the test eye population profile comprises a first manifest refraction spherical equivalent measure and the low order refraction measure of the convolved test eye population profile comprises a second manifest refraction spherical equivalent measure.

6. The system according to claim 5 , wherein the first manifest refraction spherical equivalent measure is a 4 mm refraction measure and the second manifest refraction spherical equivalent measure is a 4 mm refraction measure.

7. A system for determining a vision treatment for an eye of a patient, the system comprising:
an input that receives an original target profile for the eye of the patient;
a processor; and
computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions that when executed by the processor cause the processor to determine a first low order refraction measure based on the original target profile, to determine a deconvolved target profile based on the original target profile and a low pass filter, to determine a second low order refraction measure based on the deconvolved target profile, to determine a scale factor based on a comparison between the first low order refraction measure and the second low order refraction measure, to determine a scaled target profile based on the deconvolved target profile and the scale factor, and to determine the vision treatment based on the scaled target profile.

8. The system according to claim 7 , wherein the first low order refraction measure comprises a first manifest refraction spherical equivalent measure and the second low order refraction measure comprises a second manifest refraction spherical equivalent measure.

9. The system according to claim 8 , wherein the first manifest refraction spherical equivalent measure is a 4 mm refraction measure and the second manifest refraction spherical equivalent measure is a 4 mm refraction measure.

10. The system according to claim 7 , wherein the first low order refraction measure comprises a first sphere measure and the second low order refraction measure comprises a second sphere measure.

11. The system according to claim 7 , wherein the first low order refraction measure comprises a first cylinder measure and the second low order refraction measure comprises a second cylinder measure.

12. A system for determining a vision treatment for an eye of a patient, the system comprising:
an input that receives an original target profile for the eye of the patient;
a processor; and
computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions that when executed by the processor cause the processor to determine a first healed profile based on the original target profile, to determine a deconvolved target profile based on the original target profile and a low pass filter, to determine a second healed profile based on the deconvolved target profile, to determine a first low order refraction measure based on the first healed profile, to determine a second low order refraction measure based on the second healed profile, to determine a scale factor based on a comparison between the first and second low order refraction measures, to determine a scaled target profile based on the deconvolved target profile and the scale factor, and to determine the vision treatment based on the scaled target profile.

13. The system according to claim 12 , wherein the first low order refraction measure comprises a first manifest refraction spherical equivalent measure and the second low order refraction measure comprises a second manifest refraction spherical equivalent measure.

14. The system according to claim 13 , wherein the first manifest refraction spherical equivalent measure is a 4 mm refraction measure and the second manifest refraction spherical equivalent measure is a 4 mm refraction measure.

15. The system according to claim 12 , wherein the first low order refraction measure comprises a first sphere measure and the second low order refraction measure comprises a second sphere measure.

16. The system according to claim 12 , wherein the first low order refraction measure comprises a first cylinder measure and the second low order refraction measure comprises a second cylinder measure.

17. A system for determining a vision treatment for an eye of a patient, the system comprising:
an input that receives an original target profile for the eye of the patient;
a processor; and
computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions that when executed by the processor cause the processor to determine a deconvolved target profile based on the original target profile and a low pass filter, to determine a scaled target profile based on the deconvolved target profile and a scale factor, to adjust a sphere parameter of the scaled target profile based on a pre-operative cylinder measurement of the eye of the patient, and to determine the vision treatment based on the adjusted target profile,
wherein the scale factor is based on a low order refraction measure of a test eye population and a low order refraction measure of a convolved test eye population profile, and
wherein the convolved test eye population profile is based on a convolution of the test eye population profile.

18. The system according to claim 17 , wherein the pre-operative cylinder measurement is a manifest refraction measurement.

19. The system according to claim 17 , wherein the pre-operative cylinder measurement is a wavefront refraction measurement.

20. The system according to claim 17 , wherein the adjusted sphere parameter of the scaled target profile is determined based on the formula S=−0.28 C−0.38, where S is the adjusted sphere parameter and C is the pre-operative cylinder measurement.

Assignees

• Amo Dev Llc

Inventors

• Dai Guang-Ming
• Fabrikant Anatoly
• Chernyak Dimitri
• Shah Jayesh

Classifications

• A61F9/00806

  Correction of higher orders · CPC title

• G16H50/50

  for simulation or modelling of medical disorders · CPC title

• G06F19/3481

  Physics · mapped topic

• A61F2009/00859

  considering nomograms · CPC title

• A61F9/00825

  for photodisruption · CPC title