Methods and systems for automated measurement of the eyes and delivering of sunglasses and eyeglasses

• US 9,277,863 B2
• Filed: 11/28/2012
• Issued: 03/08/2016
• Est. Priority Date: 12/01/2008
• Status: Active Grant

• Current Assignee: Perfect Vision Technology (HK) Ltd.
• Original Assignee: Perfect Vision Technology (HK) Ltd.
• Inventors: Liang, Junzhong
• Primary Examiner(s): GREECE, JAMES R
• Application Number:
  US13/687,309
• Publication Number:
  US 20130100410A1
• Time in Patent Office: 1,196 Days
• Field of Search: 351205-206, 351/223, 351227-230, 351/233, 351/239, 351/246
• US Class Current: 1/1
• CPC Class Codes: A61B 3/0025 characterised by electronic signal processing, e.g. eye models
• CPC Class Codes: A61B 3/0033 characterised by user input arrangements
• CPC Class Codes: A61B 3/0041 characterised by display arrangements
• CPC Class Codes: A61B 3/0083 provided with means for patient positioning
• CPC Class Codes: A61B 3/0285 Phoropters
• CPC Class Codes: A61B 3/036 for testing astigmatism
• CPC Class Codes: A61B 3/1015 for wavefront analysis
• CPC Class Codes: A61B 3/152 for aligning
• CPC Class Codes: A61B 3/18 Arrangement of plural eye-testing or -examining apparatus
• CPC Class Codes: G02C 13/003 Measuring during assembly or fitting of spectacles
• CPC Class Codes: G02C 2202/22 Correction of higher order and chromatic aberrations, wave front measurement and calculation
• CPC Class Codes: G02C 7/02 Lenses; Lens systems ; Methods of designing lenses
• CPC Class Codes: G16H 10/60 for patient-specific data, e.g. for electronic patient records
• CPC Class Codes: G16H 30/20 for handling medical images, e.g. DICOM, HL7 or PACS

Abstract

The present invention provides methods, devices, and systems for automated measured correction of the eyes and provision of sunglasses and eyeglasses for individuals, including individuals with a visual acuity of 20/20 or better.

Claims

1. A method for providing a pair of sunglasses to an individual, including individuals with a visual acuity of 20/20 or better, comprising the steps of:

providing a measuring station configured for automatic data acquisition without necessary intervention from a human other than the individual, the measuring station configured to;

obtain an objective measurement of wave aberration from each eye of the individual;

determine a measured cylindrical power and cylindrical axis from the objective measurement of wave aberration;

place a plurality of lenses according to the measured cylindrical power and cylindrical axis from the objective measurement of wave aberrations from each eye of the individual into a correction device for the individual to see through and read at least one acuity chart;

allow the individual to manually adjust the focus power of the correction device;

accept results from the individual in reading the acuity chart through the correction module for each eye; and

determine a focus power of each eye through subjective refraction, wherein the subjective refraction involves subjective responses from the individual to a plurality of focus powers;

generating correction data for making the pair of sunglasses;

transmitting data for making the pair of sunglasses via an electronic media, wherein the transmitted data contains at least the correction data for making the pair of sunglasses;

manufacturing lenses for the sunglasses based on the correction data;

fitting the lenses into frames to produce finished sunglasses; and

providing the finished pair of sunglasses to the individual.

2. The method of claim 1, wherein the pair of sunglasses is an over-the-counter sunglass that does not require a prescription.

3. The method of claim 1, wherein transmitting data for making the pair of sunglasses further includes at least one of following for reviewing and checking by a human other than the individual:

a) records for the obtained objective measurement of wave aberration from each eye of the individual, b) results of the individual in reading the acuity chart through the correction device for a plurality of focus powers, and c) a near focus power of the individual for reading near tasks.

4. The method of claim 3, wherein the measuring station is further configured to allow the human other than the individual to review the transmitted data and send feedback data to the measuring station.

5. The method of claim 1, wherein the measuring station further is configured to offer to and receive from the individual a selection of sunglass frames.

6. The method of claim 5, wherein the generated correction data for making the pair of sunglasses is modified to take into account the shape of the selected sunglass frames.

7. The method of claim 5, wherein the measuring station further is configured to take a picture of the individual with and/or without the selected pair of sunglasses.

8. The method of claim 1, wherein the measuring station further is configured to accept payment information from the individual.

9. The method of claim 1, wherein the measuring station further is configured to accept delivery information from the individual.

10. The method of claim 1, wherein the measuring station further is in communication with a lens fabricator and is configured to transfer the correction data to the lens fabricator to manufacture custom lenses.

11. The method of claim 10, wherein the lens fabricator is automated.

12. The method of claim 11, wherein the measuring station is in communication with the automated lens fabricator and is configured to transfer the correction data and delivery information from the individual to a lens fabricator to manufacture custom lenses.

13. The method of claim 11, wherein the measuring station further is configured to offer to and receive from the individual selected sunglass frame styles.

14. The method of claim 13, wherein the automated lens fabricator is further configured to assemble the manufactured custom lenses with the selected sunglass frames.

15. The method of claim 10, wherein the measuring station further is configured to accept payment information and delivery information from the individual.

16. The method of claim 10, wherein based on the correction data for each eye, off-the-shelf lenses are selected for the individual.

17. The method of claim 1, wherein the lenses are manufactured by molding or by machining.

18. The method of claim 1, wherein the measuring station comprises a wavefront phoroptor for measuring refractive corrections of a focus error and a cylinder error for an eye, wherein the wavefront phoroptor comprises:

a wavefront sensing module for providing the objective measurement of aberrations of the eye, measuring wavefront slopes across a pupil, and determining wave aberration of the eye that includes at least a cylindrical axis and a cylindrical power in a resolution finer than 0.25 D; and

a phoroptor module with a plurality of spherical lenses and cylindrical lenses and an acuity chart for subjectively determining the focus error of the eye.

19. The method of claim 18, wherein the cylindrical lenses are set according to the objective measurement of aberrations from the wavefront sensing module;

and wherein the subjectively determined focus error involves subjective responses by the individual to a plurality of focus powers by the eye viewing an acuity chart.

20. The method of claim 18, wherein the wavefront sensing module measures aberrations of the eye using a lenslet array wavefront sensor.

21. The method of claim 18, wherein the objective measurement further includes a focus error, a spherical aberration, a coma and other high-order aberrations, and wherein the cylinder power and the cylinder angle is determined for optimized vision from the determined wave aberration across a pupil of the eye.

22. A measuring station configured for automatic data acquisition without necessary intervention from a human other than the individual, the measuring station configured to:

a. obtain an objective measurement of wave aberration from each eye of the individual;

b. determine a measured cylindrical power and a cylindrical axis from the objective measurement of wave aberration;

c. place a plurality of lenses according to the determined measured cylindrical power and a cylindrical axis into a correction module for the individual to see through and read an acuity chart;

d. allow the individual to manually adjust the focus power of the correction device;

e. accept results from the individual in reading the acuity chart through the correction module for each eye;

f. determine a focus power of each eye through subjective refraction, wherein the subjective refraction involves subjective responses from the individual from a plurality of focus power corrections; and

g. communicate the measured cylindrical power, cylindrical axis and focus power of each eye to a lens fabricator to manufacture custom lenses or to a repository of off-the-shelf lenses.

23. The measuring station of claim 22, wherein the measuring station further is configured to transmit data for review by a human other than the individual, wherein the transmitted data includes at least one of a) records for the obtained objective measurement of wave aberration from each eye of the individual, and b) results of the individual in reading the acuity chart through the correction device for a plurality of focus powers.

24. The measuring station of claim 22, wherein the measuring station further is configured to take a picture of the individual.

25. The measuring station of claim 22, further comprising a wavefront phoroptor for measuring refractive corrections of a focus error and a cylinder error for an eye, comprising:

a wavefront sensing module for providing the objective measurement of aberrations of the eye, wherein the wavefront sensing module measures wavefront slopes across a pupil and determines wave aberration of the eye that includes at least a cylindrical axis, and a cylindrical power in a resolution finer than 0.25 D; and

a phoroptor module with a plurality of spherical lenses and cylindrical lenses and an acuity chart for subjectively determining a focus error of an eye.

26. The measuring station of claim 22, further configured to offer to and receive from the individual a selection of sunglass frames.

27. The measuring station of claim 22, further configured to accept payment information from the individual.

28. The measuring station of claim 22, further configured to accept delivery information from the individual.

29. A system for providing a pair of sunglasses to an individual, including individuals with a visual acuity of 20/20 or better, comprising:

a. a measuring station configured for automatic data acquisition without necessary intervention from a human other than the individual to obtain an objective measurement of wave aberration from each eye of the individual and determine a measured cylindrical power and a cylindrical axis from the objective measurement of wave aberration;

place a plurality of lenses according to the determined cylindrical power and cylindrical axis into a correction module for the individual to see through and read an acuity chart; and

determine a focus power of each eye through subjective refraction, wherein the subjective refraction involves subjective responses from the individual from a plurality of focus powers; and

b. a lens fabricator to manufacture custom lenses or a lens repository to provide off-the-shelf lenses according to the measured cylindrical power, cylindrical axis and focus power.

30. The system of claim 29, wherein the measuring station further comprises a wavefront sensing module for providing the objective measurement of aberrations of the eye, wherein the wavefront sensing module measures wavefront slopes across a pupil and determines wave aberration of the eye that includes at least a cylindrical axis, and a cylindrical power in a resolution finer than 0.25 D;

and a phoroptor module with a plurality of spherical lenses and cylindrical lenses and an acuity chart for subjectively determining a focus error of an eye.

31. The system of claim 29, further comprising a database configured to receive payment and delivery information from the individual.

32. A method for providing a pair of prescription eyeglasses to an individual, including individuals with a visual acuity of 20/20 or better, comprising the steps of:

providing a measuring station to the individual, the measuring station configured to automatically;

obtain an objective measurement of wave aberration from each eye of the individual;

determine a measured cylindrical power and a cylindrical axis from the objective measurement of wave aberration;

place a plurality of lenses according to the determined cylindrical power and a cylindrical axis from the objective measurement of wave aberration into a correction device for the individual to see through and read an acuity chart;

allow the individual to manually adjust the focus power of the correction device;

accept results from the individual in reading the acuity chart through the correction module for each eye; and

determine a focus power of each eye through subjective refraction, wherein the subjective refraction involves subjective responses from the individual to a plurality of refractive corrections;

generating correction data from which to manufacture lenses;

manufacturing the lenses or selecting a set of off-the-shelf lenses appropriate for the correction data;

fitting the lenses into frames to produce finished eyeglasses; and

providing the finished eyeglasses to the individual.

33. A kiosk system for prescriptive eyeglasses, configured for automatic data acquisition without necessary intervention from a human other than the individual, comprising:

a. a wavefront sensing module for providing objective measurement of aberrations of the eye, wherein the wavefront sensing module measures wavefront slopes across a pupil and determines wave aberration of the eye that includes at least a cylindrical axis, and a cylindrical power in a resolution finer than 0.25 D;

b. a vision correction module for presenting a plurality of refractive corrections for the individual to see through, wherein the plurality of refractive corrections includes;

a cylindrical power and a cylindrical axis according to the determined wave aberrations, and a plurality of focus power corrections that is controlled manually by the individual;

c. an acuity chart for determining visual acuity of the eye under the plurality of focus power corrections,

d. a human-to-machine interface module to accept results from the individual in reading the acuity chart through the correction module for a plurality of focus power corrections;

e. an exporting module for communicating data to a lens fabricator to manufacture custom lenses or to a repository of off-the-shelf lenses, wherein the communicated data includes at least one of the following;

the measured cylindrical power, cylindrical axis and focus power of each eye;

records of the wavefront module for data review; and

results of the individual in reading the acuity chart through the correction device for a plurality of focus power corrections.

34. The kiosk system of claim 33, further comprising a device configured to offer to and receive from the individual a selection of frames.

35. The kiosk system of claim 34, further comprising a device configured to take a picture of the individual with and/or without the selected sunglass frames.

36. The kiosk system of claim 33, further comprising a device configured to offer to accept payment information from the individual.

37. The kiosk system of claim 33, further comprising a device configured to offer to accept delivery information from the individual.