Method and apparatus for preventing, controlling and/or treating eye fatigue and myopia

• US 20090156888A1
• Filed: 06/07/2008
• Published: 06/18/2009
• Est. Priority Date: 10/04/2007
• Status: Abandoned Application

• Current Assignee: Jingru Gong
• Original Assignee: Xianhui Su
• Inventors: Su, Xianhui, Su, Shigong
• Application Number:
  US12/157,071
• Publication Number:
  US 20090156888A1
• Time in Patent Office: Days
• US Class Current: 600/27
• CPC Class Codes: A61B 3/0091 Fixation targets for viewing direction
• CPC Class Codes: A61B 3/032 Devices for presenting test symbols or characters, e.g. test chart projectors A61B3/036 takes precedence
• CPC Class Codes: A61H 5/00 Exercisers for the eyes

Abstract

An apparatus and method for preventing, controlling and/or treating vision disorders, such as eye fatigue and myopia, comprises a panel or a plurality of panels with a contrast stimulus or contrast stimuli presented to a peripheral vision or peripheral visions. A contrast stimulus may be a spatial frequency contrast, a luminance contrast, a translucency/transparency contrast, a depth contrast or a spectral contrast. The panel is configured to fit on screens, monitors, televisions, displays and the like. The panel may be adapted to fit on hats, glasses, the head, and the like. The panel may be constructed to be portable and stand alone, to be used while viewing a primary object, such as a visual display monitor, a book, or the like.

Claims

1. A portable apparatus for preventing, controlling and/or treating a vision disorder or vision disorders, comprising:

a visual stimulus or a plurality of visual stimuli provided to a peripheral visual field or peripheral visual fields comprising a contrast pattern or contrast patterns, such that the visual stimulus or visual stimuli is/are placed adjacent to a primary object,

(i) wherein a proximal peripheral visual angle is defined by a ray directed towards a point on the proximal end of the visual stimulus, a central visual point, and a central visual axis;

a distal peripheral visual angle is defined by a ray directed towards a distal end of the visual stimulus, a central visual point, and a central visual axis;

(ii) wherein superior section(s) of visual stimuli is (are) defined as section(s) of visual stimulus (stimuli) that is (are) located higher than the primary object;

(iii) wherein a contrast pattern is selected from the group consisting of;

(a) a luminance contrast,

(b) a translucency/transparency contrast,

(c) a (color) spectral contrast, and

(d) a depth contrast;

(iv) wherein the apparatus is perceived by the eye(s) as approximately not completely behind the primary object;

(v) wherein the relevant spatial frequencies of a contrast pattern (or contrast patterns) are spatial frequencies between approximately 0.1 and approximately 10 cycles per degree in any direction;

(vi) wherein the standard deviation of the relative luminance of a contrast pattern (or contrast patterns) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 2.5%; and

when the standard deviation of the relative luminance of a contrast pattern (or contrast patterns) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is less than approximately 2.5%, the relative-luminance-contrast is at least approximately 10%.

(vii) wherein the mean relative luminance of the contrast pattern(s) is at least approximately 5%.

(viii) wherein the distance from any part of a visual stimulus to the center of pupil of an eye is at least approximately 7 cm.

2. The apparatus of claim 1, wherein one or more areas of the contrast pattern comprises a spatial frequency spectral analysis profile defined by the equation:

X/(1+10*e) with units of cycle per degree of peripheral eccentricity and/or cycle per degree of axle deviation, where X is a function, a number, or numbers from approximately 0.5 to approximately 10 and e is angle of peripheral eccentricity expressed in radian unit, or degree of peripheral eccentricity *π

/180.

3. The apparatus of claim 1, wherein the superior section(s) of the visual stimulus (stimuli) is (are) semi-translucent (or transparent), partially translucent (or transparent), or completely translucent (or transparent), in order to partially block, or not block the illumination of the primary object and/or the said superior section(s) of the visual stimulus (or visual stimuli) from light sources such as ceiling light(s), lights from window(s), sun lights, or the alike.

4. The apparatus of claim 1, wherein the superior section(s) of the visual stimulus (stimuli) is (are) opaque in order to block light from a ceiling light(s), light from window(s), sun light, or the alike.

5. The apparatus of claim 1, wherein the visual stimulus (or visual stimuli) does (do) not have a superior section or (superior sections).

6. The apparatus of claim 1, wherein, the standard deviation of the relative luminance of contrast pattern(s) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 5%.

7. The apparatus of claim 1, wherein, the standard deviation of the relative luminance of contrast pattern(s) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 7.5%.

8. The apparatus of claim 1, wherein, the standard deviation of the relative luminance of contrast pattern(s) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 10%.

9. The apparatus of claim 1, wherein, the standard deviation of the relative luminance of contrast pattern(s) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 12.5%.

10. The apparatus of claim 1, wherein when the standard deviation of relative luminance of the relevant spatial frequency of contrast pattern(s) is less than approximately 3.5%, the relative-luminance-contrast is at least approximately 17%.

11. The apparatus of claim 1, wherein when the (color) spectral contrast is used, the difference between the one set and another set of frequencies of the color spectral contrast is at least approximately 15 nanometers.

12. The apparatus of claim 1, wherein the contrast pattern(s) or portion(s) of the contrast pattern(s) is (are) created from different grades of translucencies or opaqueness.

13. The apparatus of claim 1, wherein the contrast pattern(s) or portion(s) of the contrast pattern(s) is (are) generated by a light source, light sources, a light projection or light projections.

14. The apparatus of claim 1, wherein the proximal peripheral visual angle(s) is/are between approximately 0 degree and up to approximately 80 degree.

15. The apparatus of claim 1, wherein the distal peripheral visual angle(s) is/are between the proximal peripheral visual angles and up to approximately 150 degree.

16. The apparatus of claim 1, wherein the visual stimuli angle(s) is/are between approximately −

90 degree and approximately 270 degree.

17. The apparatus of claim 1, wherein the average visual stimulus angle of the visual stimulus is between approximately 0 degree and approximately 90 degree.

18. The apparatus of claim 1, wherein the average visual stimulus angle of the visual stimulus located between the proximal peripheral visual angles and approximately 80 degree of peripheral eccentricity is between approximately 0 degree and approximately 90 degree.

19. The apparatus of claim 1, wherein the distance from any part of a visual stimulus to the center of pupil of an eye is at least approximately 10 cm.

20. The apparatus of claim 1, wherein the visual stimulus further comprises a fastening member or fasting members to attach to the primary object.

21. The apparatus of claim 20, where in the fastening member (or fasting members) is (are) selected from the group consisting of magnet, loop and hook, button, button and hole, adhesive, or the like.

22. The apparatus of claim 1, wherein the visual stimulus (stimuli) further comprises (comprise) a support member or support members such that the apparatus is portable and/or free standing.

23. The apparatus of claim 1, wherein the visual stimulus further comprises a pocket or pockets to hold an item or items.

24. The apparatus of claim 1, wherein the visual stimulus further comprising adjustable member(s) that is (are) attachable to the said visual stimulus and/or other visual stimulus or visual stimuli to allow the proximal peripheral visual angles to be adjustable between approximately zero degree and approximately 80 degree.

25. The apparatus of claim 1, wherein the visual stimulus further comprising adjustable member(s) to allow the distal peripheral visual angles to be adjustable between the proximal peripheral visual angles up to approximately 150 degree.

26. The apparatus of claim 1, wherein the visual stimulus further comprising adjustable member(s) to allow the visual stimuli angles to be adjustable between approximately −

90 degree and approximately 270 degree.

27. The apparatus of claim 1, wherein the visual stimulus further comprising adjustable member(s) to allow the visual stimuli angle to be folded behind or folded in front of the primary object for storage.

28. The apparatus of claim 1, wherein the visual stimulus further comprising adjustable member(s) to allow the average visual stimuli angle of the visual stimulus to be adjustable between approximately 0 degree and approximately 90 degree.

29. The apparatus of claim 1, wherein the visual stimulus further comprising adjustable member(s) to allow the average visual stimulus angle of the visual stimulus located between the proximal peripheral visual angles and approximately 80 degree of peripheral eccentricity to be adjustable between approximately 0 degree and approximately 90 degree.

30. The apparatus of claim 24-29, wherein the adjustable member(s) is (are) a bendable and/or flexible rod(s), telescoping tube(s), or bendable plate(s), or non-bendable rod/plates connected by adjustable joints/hinges, or the alike.

31. The apparatus of claim 1, wherein the visual stimulus is a panel or plurality of panels comprising a contrast pattern or plurality of contrast patterns.

32. The apparatus of claim 31, wherein the contrast pattern(s) is (are) printed on the panel;

33. The apparatus of claim 31, wherein the contrast pattern(s) is (are) attached to the panel.

34. The apparatus of claim 31, wherein the contrast pattern(s) is (are) created by a plurality of projections and a plurality of depressions on the panel.

35. The apparatus of claim 31, wherein the contrast pattern(s) is (are) created by a plurality of ridges and a plurality of furrows.

36. The apparatus of claim 31, wherein the panel comprises a means for folding the panel into a compact structure.

37. The apparatus of claim 31, wherein the panel further comprises a fastening member or fasting members to attach to the primary object.

38. The apparatus of claim 31, wherein the panel further comprises a support member such that the panel is free standing.

39. An apparatus for preventing and/or treating a vision disorder, comprising:

(i) a visual stimulus or visual stimuli provided to a peripheral visual field or peripheral visual fields comprising a contrast pattern or a plurality of contrast patterns;

(a) wherein the contrast pattern(s) is/are selected from the group consisting of;

(A) a luminance contrast,

(B) a translucency/transparency contrast,

(C) a (color) spectral contrast, and

(D) a depth contrast,

(b) wherein the relevant spatial frequencies of a contrast pattern is between approximately 0.1 and approximately 10 cycles per degree of spatial frequencies;

(c) wherein, the standard deviation of the relative luminance of contrast pattern(s) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 5%;

(d) wherein the superior sections of visual stimuli are defined as sections of visual stimuli that is located higher than the primary object;

(ii) a wearable device supporting the visual stimulus such that the contrast pattern or plurality of contrast patterns are perceived by a peripheral vision.

40. The apparatus of claim 39, wherein the distance from any part of a visual stimulus to the center of pupil of an eye is at least approximately 7 cm. preferably, the distance from any part of a visual stimulus to the center of pupil of an eye is at least approximately 10 cm.

41. The apparatus of claim 39, wherein the contrast pattern comprises a spatial frequency spectral analysis profile defined by the equation:

X/(1+10*e) with units of cycle per degree of peripheral eccentricity and/or cycle per degree of axle deviation, where X is a function, or a number, or numbers from approximately 0.5 to approximately 10 and e is angle of peripheral eccentricity expressed in radian unit, or degree of peripheral eccentricity *π

/180.

42. The apparatus of claim 39, wherein the luminance contrast ranges from approximately 10% to approximately 100%.

43. The apparatus of claim 39, wherein the standard deviation of relative luminance of the relevant spatial frequencies of contrast pattern(s) is at least approximately 7.5%, preferably at least approximately 10%, more preferably at least approximately 12.5%, more preferably at least approximately 15%.

44. The apparatus of claim 39, wherein when the standard deviation of relative luminance of the relevant spatial frequency of contrast pattern(s) is less than approximately 5%, the relative-luminance-contrast is at least approximately 20%.

45. The apparatus of claim 39, wherein when the (color) spectral contrast is used, the difference between the one set and another set of frequencies of the color spectral contrast is at least approximately 15 nanometers.

46. The apparatus of claim 39, wherein the contrast pattern(s) or portion(s) of the contrast pattern is (are) created from different grades of translucencies or opaqueness.

47. The apparatus of claim 39, wherein the contrast pattern(s) or portion(s) of the contrast pattern(s) is (are) generated by a light source, light sources, a light projection or light projections.

48. The apparatus of claim 39, further comprising an adjustable member or adjustable members attached to the visual stimulus or visual stimuli to allow the visual stimulus or visual stimuli to move relative to the central visual axis.

49. The apparatus of claim 48, wherein the adjustable member(s) is (are) a bendable and/or flexible rod(s), telescoping tube(s), or hinge(s) such that one or more of the following angle(s) and/or distance(s) are adjustable:

(a) distance(s) from the visual stimuli to the eye(s),

(b) proximal peripheral visual angle(s),

(c) distal peripheral visual angle(s),

(d) visual stimuli angle(s), and

(e) average visual stimuli angle(s).

50. The apparatus of claim 39, wherein the visual stimulus is a panel or plurality of panels comprising a contrast pattern or plurality of contrast patterns.

51. The apparatus of claim 39, wherein the visual stimulus is provided on a first flexible panel and this flexible panel is removably attached to the wearable device or hinge(s) on the wearable device to allow visual stimulus (stimuli) to be flipping up or down.

52. The apparatus of claim 39, further comprising a second flexible panel comprising a visual stimulus, movably attached to the first flexible panel and allow the proximal peripheral visual angles to be adjustable.

53. The apparatus of claim 39, wherein the superior section(s) of the visual stimulus (stimuli) is (are) semi-translucent (or transparent), partially translucent (or transparent), or completely translucent (or transparent), in order to partially block, or not block the illumination of the primary object and/or the said superior section(s) of the visual stimulus (or visual stimuli) from light sources such as ceiling light(s), lights from window(s), sun lights, or the alike.

54. The apparatus of claim 39, wherein the superior section(s) of the visual stimulus (stimuli) is (are) opaque in order to block light from a ceiling light(s), light from window(s), sun light, or the alike.

55. A method for preventing, controlling, and/or treating a vision irregularity or vision irregularities, comprising a visual stimulus or visual stimuli provided to a peripheral visual field or peripheral visual fields, wherein the visual stimulus (stimuli) comprise of a contrast pattern or a plurality of contrast patterns, thereby treating and/or preventing the vision irregularity or irregularities such as eye fatigue, and myopia,

(i) wherein the contrast pattern(s) is (are) selected from the group consisting of:

(a) a luminance contrast,

(b) a translucency/transparency contrast,

(c) a (color) spectral contrast, and

(d) a depth contrast;

(ii) wherein the contrast pattern(s) is (are) perceived by the eye(s) as approximately not completely behind the primary object;

(iii) wherein the contrast pattern(s) does (do) not block the center gaze of the eye(s);

(iv) wherein the relevant spatial frequencies of a contrast pattern are spatial frequency between approximately 0.1 and approximately 10 cycles per degree in any direction;

(v) wherein the standard deviation of the relative luminance of contrast pattern(s) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per degree, is at least approximately 3.5%;

(vi) wherein the mean relative luminance of the contrast pattern(s) is at least approximately 7%.

56. The method of claim 55, wherein the contrast pattern comprises a spatial frequency spectral analysis profile defined by the equation:

X/(1+10*e) with units of cycle per degree of peripheral eccentricity and/or cycle per degree of axle deviation, where X is a function, or a number, or numbers from approximately 0.5 to approximately 10 and e is angle of peripheral eccentricity expressed in radian unit, or degree of peripheral eccentricity *π

/180.

57. The method of claim 55, wherein the luminance contrast ranges from approximately 10% to approximately 100%.

58. The method of claim 55, wherein the standard deviation of relative luminance of the relevant spatial frequencies of contrast pattern(s) is at least approximately 10%, preferably at least approximately 12.5%, more preferably at least approximately 15%, more preferably at least approximately 20%.

59. The method of claim 55, wherein when the standard deviation of relative luminance of the relevant spatial frequency of contrast pattern(s) is less than approximately 7%, the relative-luminance-contrast is at least approximately 17%.

60. The method of claim 55, wherein when the (color) spectral contrast is used, the difference between the one set and another set of frequencies of the color spectral contrast is at least approximately 15 nanometers.

61. The method of claim 55, wherein the contrast pattern(s) or portion(s) of the contrast pattern(s) is (are) created from different grades of translucencies or opaqueness.

62. The method of claim 55, wherein the contrast pattern(s) or portion(s) of the contrast pattern(s) is (are) generated by a light source, light sources, a light projection or light projections.

63. The method of claim 55, wherein the visual stimulus (or visual stimuli) is (are) next to the primary object.

64. The method of claim 55, wherein the majority of distal peripheral visual angles of the visual stimuli in left and right peripheral visual fields is greater than or equal to approximately 30 degree of peripheral eccentricity.

65. The method of claim 55, wherein the average visual stimulus angle of the visual stimulus is between approximately 0 degree and approximately 90 degree, preferably the average visual stimulus angle of the visual stimulus (visual stimuli) is (are) less than or equal to approximately 45 degree, more preferably the average visual stimulus angle of the visual stimulus (visual stimuli) is (are) less than or equal to approximately 30 degree.

66. The method of claim 55, wherein the distance from any part of a visual stimulus to the center of pupil of an eye is at least approximately 7 cm.

67. The method of claim 55 further comprises the step(s) of adjusting the proximal peripheral visual angle between approximately zero degree and approximately 80 degree.

68. The method of claim 55 further comprises the step(s) of adjusting the distal peripheral visual angles between the proximal peripheral visual angles up to approximately 150 degree.

69. The method of claim 55 further comprises the step(s) of adjusting the visual stimuli angle(s).

70. The method of claim 55 further comprises the step(s) of adjusting the average visual stimuli angle of the visual stimulus to be between approximately 0 degree and approximately 90 degree to achieve optimal balance between comforts and reducing accommodation lags of the eyes.

71. The method of claim 55 further comprising the step of positioning the contrast pattern relative to a central visual axis without blocking a center of gaze, such that the visual stimulus or visual stimuli occupy from as low as approximately zero degree up to approximately 150 degree of peripheral eccentricities.

72. The method of claim 55, further comprising the steps of positioning the contrast stimuli at a predetermined distance from an eye, wherein the ratio of distance from any part of a visual stimulus to the center of pupil of an eye vs. the distance between the primary object and the eye is less than or equal to approximately 1, and the distance from any part of a visual stimulus to the center of pupil of an eye is greater than or equal to approximately 7 cm.

73. The method of claim 55, wherein the distance from any part of a visual stimulus to the center of pupil of an eye is greater than or equal to approximately 10 cm and less than the distance between the primary object and the eye.

74. A method for preventing, controlling, and/or treating a vision irregularity or vision irregularities, comprising:

(i) providing a contrast pattern or contrast patterns (the visual stimuli) to a peripheral visual field or peripheral visual fields, wherein the contrast pattern(s) is (are) selected from the group consisting of a luminance contrast, a translucency/transparency contrast, a spectral contrast, and a depth contrast; and

(a) wherein the contrast pattern(s) comprises a spectral analysis profile defined by the equation;

X/(1+10*e) with units of cycle per degree of peripheral eccentricity and/or cycle per degree of axle deviation, where X is a function, or a number, or numbers from approximately 0.5 to approximately 10 and e is angle of peripheral eccentricity expressed in radian unit, or degree of peripheral eccentricity *π

/180;

(b) wherein the contrast pattern(s) is (are) perceived by the eye(s) as approximately not completely behind the primary object;

(c) wherein the relevant spatial frequencies of a contrast pattern are spatial frequencies between approximately 0.1 and approximately 10 cycles per degree in any direction;

(d) wherein the standard deviation of the relative luminance of a contrast pattern (or contrast patterns) that has been band pass filtered for spatial frequency between approximately 0.1 and approximately 10 cycles per 34 degree, is at least approximately 2.5%;

(ii) positioning the contrast pattern(s) relative to a central visual axis without blocking a center of gaze, such that the contrast pattern(s) (or visual stimuli) occupies from as low as approximately zero degree up to approximately 150 degree;

(iii) adjusting the average visual stimulus (stimuli) angle(s) between approximately zero degree and up to approximately 90 degree;

(iv) positioning the contrast pattern(s) (visual stimuli) at a predetermined distance from an eye;

(v) thereby treating and/or preventing the vision irregularity.