System, apparatus, and method for correcting vision using an electro-active lens

• US 20050219460A1
• Filed: 05/11/2005
• Published: 10/06/2005
• Est. Priority Date: 07/02/1999
• Status: Abandoned Application

• Current Assignee: e-Vision, LLC (New Smart Optics, Inc.)
• Original Assignee: e-Vision, LLC (New Smart Optics, Inc.)
• Inventors: Duston, Dwught P., Blum, Ronald D., Katzman, Dan
• Application Number:
  US11/126,698
• Publication Number:
  US 20050219460A1
• Time in Patent Office: Days
• US Class Current: 351/177
• CPC Class Codes: A61B 3/028 for testing visual acuity; for determination of refraction, e.g. phoropters
• CPC Class Codes: A61B 3/0285 Phoropters
• CPC Class Codes: A61B 3/04 Trial frames; Sets of lenses for use therewith lenses per se G02C7/02
• CPC Class Codes: A61B 3/113 for determining or recording eye movement
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: A61K 2039/505 comprising antibodies
• CPC Class Codes: A61K 38/00 Medicinal preparations containing peptides peptides containing beta-lactam rings A61K31/00; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, A61K31/00; ergot alkaloids of the cyclic peptide type A61K31/48; containing macromolecular compounds having statistically distributed amino acid units A61K31/74; medicinal preparations containing antigens or antibodies A61K39/00; medicinal preparations characterised by the non-active ingredients, e.g. peptides as drug carriers, A61K47/00
• CPC Class Codes: B29D 11/00009 Production of simple or compound lenses
• CPC Class Codes: B29D 11/0073 Optical laminates
• CPC Class Codes: B29D 11/00817 Producing electro-active lenses or lenses with energy receptors, e.g. batteries or antennas
• CPC Class Codes: C07K 14/5443 IL-15
• CPC Class Codes: C07K 16/244 Interleukins [IL]
• CPC Class Codes: C07K 16/2866 against receptors for cytokines, lymphokines, interferons
• CPC Class Codes: G02B 3/0081 having one or more elements with analytic function to create variable power variable magnification in general G02B15/00
• CPC Class Codes: G02B 7/28 Systems for automatic generation of focusing signals
• CPC Class Codes: G02B 7/285 including two or more different focus detection devices, e.g. both an active and a passive focus detecting device
• CPC Class Codes: G02C 11/10 Electronic devices other than hearing aids
• CPC Class Codes: G02C 2202/12 Locally varying refractive index, gradient index lenses
• CPC Class Codes: G02C 2202/16 Laminated or compound lenses
• CPC Class Codes: G02C 2202/18 Cellular lens surfaces
• CPC Class Codes: G02C 2202/20 : Diffractive and Fresnel lenses or lens portions
• 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: G02C 7/022 : Ophthalmic lenses having special refractive features achieved by special materials or material structures G02C7/049 takes precedence
• CPC Class Codes: G02C 7/049 : Contact lenses having special fitting or structural features achieved by special materials or material structures
• CPC Class Codes: G02C 7/06 : bifocal; multifocal ; progressive G02C7/041 takes precedence
• CPC Class Codes: G02C 7/061 : Spectacle lenses with progressively varying focal power
• CPC Class Codes: G02C 7/066 : Shape, location or size of the viewing zones
• CPC Class Codes: G02C 7/08 : Auxiliary lenses; Arrangements for varying focal length
• CPC Class Codes: G02C 7/083 : Electrooptic lenses
• CPC Class Codes: G02C 7/101 : having an electro-optical light valve electro-optical elements per se G02F
• CPC Class Codes: G02C 7/102 : Photochromic filters
• CPC Class Codes: G02F 1/133526 : Lenses, e.g. microlenses or Fresnel lenses
• CPC Class Codes: G02F 1/294 : Variable focal length devices

Abstract

A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer'"'"'s refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer'"'"'s vision correction. The lens has a prescription based on a wave front analysis of the wearer'"'"'s eye and the lens can further be modified to fit within an eyeglass frame.

Claims

1-16. -16. (canceled)

17. An apparatus for determining the refraction and aberrations of a patient'"'"'s eye focused on an external physical target, comprising:

a light source;

optics directing light from said light source to the patient'"'"'s eye;

a test lens having an optical power, said test lens disposable in an optical path between the patient'"'"'s eye and said external physical target, such that the patient'"'"'s eye looking at said external physical target receives light from said light source through the lens;

at least one wavefront measurement device positioned to detect aberrations in light returning from the patient'"'"'s eye;

a housing containing said optics and said test lens, said housing having an input port and an output port, said optical path between the patient'"'"'s eye and said physical target passing through said input port into said housing and through said output port thereby exiting said housing, said target being external to said housing; and

processing electronics configured to compute variation in multiple wavefront measurements performed by said wavefront measurement device using said test lens having said optical power to measure a patient'"'"'s subjective response to said optical power.

18. The apparatus of claim 17, wherein said housing further comprises a substantially transparent window in said optical path between the patient'"'"'s eye and said external physical target through which the patient'"'"'s eye views said external physical target, said window separating said optical path into a portion inside said housing and a portion of said optical path external to said housing.

19. The apparatus of claim 17, wherein the light source includes a laser for generating the light and said laser is within said housing.

20. The apparatus of claim 17, wherein the wavefront measurement device includes at least one light detector receiving a wavefront from the light returning from the patient'"'"'s eye, and outputting a signal representative of the aberrations.

21. The apparatus of claim 20, further comprising at least one visual display configured to receive input from said processing electronics generated substantially instantaneously by said processing electronics using the diagnostic signal from the light detector, said processing electronics and said display configured to generate at least one data representation selected from the group consisting of (1) an image generated by a convolution of the image of the target based on the wavefront returning from the patient'"'"'s eye and through the test lens;

(2) a numerical and/or graphic display representative of the effectiveness of the test lens;

(3) a numerical and/or graphic display of the contrast function of the patient'"'"'s vision.

22. The apparatus of claim 21, wherein said processing electronics is configured to provide the visual display with representations selected from the group consisting of a bar chart, a pie chart, and a line chart.

23. The apparatus of claim 21, wherein the visual display comprises a color display and said data representation is color coded, said processing electronics being configured to provide input to said color display to create said color-coded data representation.

24. The apparatus of claim 20, wherein the wavefront measurement device includes electronics that outputs a diagnostic signal substantially instantly, and wherein said diagnostic signal corresponds to the objective assessment of quality of vision.

25. The apparatus of claim 24, wherein said processing electronics is configured to generate an image representative of the target as seen by the patient'"'"'s eye.

26. The apparatus of claims 25, wherein said processing electronics is configured to use said objective assessment of quality of vision to select a next lens to determine a successive objective measurement of quality of vision corresponding to said next lens.

27. The apparatus of claim 24, wherein said processing electronics is configured to use the diagnostic of signal for generating at least one visual display representative of an effectiveness of the lens in correcting a patient'"'"'s vision.

28. The apparatus of claim 24, wherein said processing electronics is configured to compute the standard deviation of said objective measurement of quality of vision and one or more successive objective measurements of quality of vision and identifies an optimal vision correction lens for the patient.

29. The apparatus of claim 17, wherein said processing electronics are configured to compute the standard deviation of multiple wavefront measurements performed using said test lens having said optical power to assess a patient'"'"'s subjective refraction.

41. The apparatus of claim 17, further comprising a housing containing said optics and said test lens, said housing having an input port and an output port, said second optical path between said patient'"'"'s eye and said physical target passing through said input port into said housing and through said output port thereby exiting said housing, said physical target being external to said housing.

30. An apparatus for determining the refraction of a patient'"'"'s eye focused on a physical target, said apparatus comprising:

a light source;

optics directing light from said light source to the patient'"'"'s eye, said light reflecting from a surface of said eye, said reflected light comprising a plurality of wavefronts;

a wavefront measurement device positioned along a first optical path to said eye to measure the shape of said wavefronts reflected from the patient'"'"'s eye;

at least one test lens disposable along a second optical path between the patient'"'"'s eye and the physical target; and

processing electronics configured to determine the variation in multiple wavefront measurements that are performed by said wavefront measurement device for a fixed amount of refractive correction using said at least one test lens having said fixed refractive correction to quantify accommodation of the patient'"'"'s eye,

wherein said optics and said at least one test lens are arranged such that when said patient looks at said physical target through said test lens, said light from said light source is directed through said eye so as to determine said refraction from said wavefronts returning from said eye.

31. The apparatus of claim 30, further comprising a beamsplitter for merging said first optical path from said wavefront sensor to said eye and said second optical path from said eye to said physical target such that they overlap in a region between said beam splitter and said eye.

32. The apparatus of claim 31, wherein said test lens is disposed in said region between said patient'"'"'s eye and said beamsplitter where said first and second optical paths overlap.

33. The apparatus of claim 30, wherein said test lens is positioned an optical path length of L from said physical target, said eye being adjusted to view said physical target said distance, L, away from said eye.

34. The apparatus of claim 33, wherein said distance between said eye and said physical target is about 20 feet.

35. The apparatus of claim 30, further comprising a housing containing said optics, said wavefront measurement device, and said at least one test lens, said housing having an input port and an output port, said second optical path between said patient'"'"'s eye and said physical target passing through said input port into said housing and through said output port thereby exiting said housing, said physical target being external to said housing, wherein said housing includes a substantially transparent window disposed in said second optical path between said patient'"'"'s eye and said physical target such said patient'"'"'s eye can focus on said physical target, said window separating said second output path into a portion inside said housing and a portion of said second optical path external to said housing.

36. The apparatus of claim 35, wherein said light source comprises a laser and said laser is within said housing.

37. The apparatus of claim 30, wherein said wavefront measurement device includes at least one light detector receiving the light returning from the patient'"'"'s eye and sending a signal to at least one processor, said at least one processor generating at least one diagnostic output based on said wavefront measurements.

38. The apparatus of claim 30, wherein said processing electronics is configured to determine the standard deviation of said multiple wavefront measurements performed by said wavefront measurement device for said fixed refractive correction to quantify accommodation of said patient'"'"'s eye.

39. The apparatus of claim 30, wherein said at least one lens comprises a plurality of test lens having different amounts of refractive correction, wherein said processing electronics are configured to determine variation in multiple wavefront measurements for each of said plurality of test lens so as to quantify accommodation of the patient'"'"'s eye for each of said plurality of test lens.

40. The apparatus of claim 30, wherein said at least one lens comprises an adjustable lens system having a plurality of settings that provide different amounts of refractive correction, wherein said processing electronics are configured to determine variation in multiple wavefront measurements for said different amounts of refractive correction provided by said adjustable lens system so as to quantify accommodation of the patient'"'"'s eye for each of said different amounts of refractive correction.

42. An apparatus for determining the refraction and aberrations of a patient'"'"'s eye focused on a target, comprising:

a light source;

optics directing light from said light source to the patient'"'"'s eye;

a test lens having an optical power, said test lens disposed in an optical path between the patient'"'"'s eye and said target, such that the patient'"'"'s eye looking at said target receives light from said light source through the lens;

at least one wavefront measurement device positioned to detect aberrations in light returning from the patient'"'"'s eye; and

processing electronics configured to determine variation in multiple wavefront measurements performed by said wavefront measurement device using said test lens having said optical power to measure a patient'"'"'s subjective response to said optical power.

43. The apparatus of claim 42, wherein said processing electronics are configured to determine the standard deviation of multiple wavefront measurements performed using the test lens having said optical power to assess a patient'"'"'s subjective refraction.