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CN-224232062-U - Optical path difference regulating structure lens

CN224232062UCN 224232062 UCN224232062 UCN 224232062UCN-224232062-U

Abstract

The utility model provides a lens with an optical path difference regulating structure, which relates to the field of optical lenses, and comprises a lens piece, wherein the lens piece comprises a micro lens array, the micro lens array comprises a plurality of micro lenses, and part of micro lenses are arranged in an orthogonal array to form a first ultrastructural area for regulating the optical path difference; and part of the micro lenses are annularly arranged to form a second ultrastructural area for optical path difference regulation, wherein the first ultrastructural area and the second ultrastructural area are respectively arranged on two opposite mirror surfaces of the lens piece. According to the utility model, a stronger optical path difference signal is generated in a main direction of human eye movement in a targeted manner through a first ultrastructural area formed by the microlenses of the orthogonal array and a second ultrastructural area formed by the microlenses of the annular array, and meanwhile, a stable optical path difference signal girdle is formed in the all direction, so that a compound optical signal stimulus is provided for human retina while an optical signal blind area is avoided, and a better myopia prevention and control effect is achieved.

Inventors

  • CAI XIAOGU
  • Di Make
  • Mo Tuba

Assignees

  • 南通诺瞳奕目医疗科技有限公司
  • 诺瞳奕目光学科技(丹阳)有限公司

Dates

Publication Date
20260512
Application Date
20250520
Priority Date
20250519

Claims (10)

  1. 1. An optical path difference adjusting and controlling structure lens, characterized by comprising a lens member (1), wherein the lens member (1) comprises a microlens array, and the microlens array comprises: a plurality of micro lenses (2), wherein part of the micro lenses (2) are arranged in an orthogonal array to form a first ultrastructural area (3) for optical path difference regulation; Part of the microlenses (2) are annularly arrayed to form a second ultrastructural area (4) for optical path difference regulation and control; Wherein the first ultrastructural area (3) and the second ultrastructural area (4) are respectively arranged on two opposite mirror surfaces of the lens piece (1).
  2. 2. A lens according to claim 1, characterized in that the inner side of the first ultrastructural area (3) is provided with a first central area (31) free of microlenses (2); The inner side of the second ultrastructural area (4) is provided with a second central area (41) free of microlenses (2).
  3. 3. A lens according to claim 2, wherein the optical correction centers of the first central region (31) and the second central region (41) are on the same axis.
  4. 4. A lens according to claim 1, wherein the first ultrastructural area (3) has a larger size range than the second ultrastructural area (4).
  5. 5. A lens according to claim 2, wherein the first central region (31) has a smaller size range than the second central region (41).
  6. 6. A lens according to any one of claims 1-5, wherein the first ultrastructural area (3) and the second ultrastructural area (4) are independently configurable.
  7. 7. An optical path difference adjusting and controlling structure lens according to any one of claims 1 to 5, wherein the size of the micro lens (2) is in the range of 0.01mm to 0.25mm.
  8. 8. A lens according to any one of claims 1-5, characterized in that part of the microlenses (2) have different focal points.
  9. 9. A lens according to any one of claims 1 to 5, wherein the defocus amount of the micro-lens (2) in the first ultrastructural region (3) and the second ultrastructural region (4) is set in a gradient.
  10. 10. The optical path difference regulating structure lens according to any one of claims 1 to 5, wherein the defocus amount De of the microlens (2) satisfies +4.50d≤de≤ +10.00d, wherein D represents diopter and +10.00d is extreme defocus.

Description

Optical path difference regulating structure lens Technical Field The utility model relates to an optical lens, in particular to a lens with an optical path difference regulating structure. Background The myopia prevention and control lens is designed by special optics, so that peripheral light is imaged at a specific position in front of or behind retina, retina growth signals are changed, and eye axis growth is delayed. In the related art, myopia prevention and control lenses are mostly developed based on DOT, DIMS and DISC technologies, wherein DOT lenses are developed based on a retina contrast signal theory, DISC is a soft cornea contact technology and is mostly used on contact lens products, DIMS is a myopia prevention and control lens based on a peripheral defocus theory, and DIMS lenses and DISC lenses depend on defocus control. The myopia prevention and control lens in the related art can cause the unsatisfactory optical fidelity effect due to insufficient contrast control, the micro lenses in the lens are generally uniformly distributed in a single rule, optical signals regulated by the micro lenses are single, and human eye cells are not uniformly distributed, so that the performance of the conventional myopia prevention and control lens is not ideal, and therefore, a novel structural lens is needed to meet the gradually-increased demand on myopia prevention and control. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides an optical path difference regulating structure lens, which solves the problems of insufficient contrast control and single regulation of optical signals of the current myopia prevention and control lens. In order to achieve the above purpose, the utility model is realized by the following technical scheme: the embodiment of the application provides an optical path difference regulating structure lens, which comprises a lens piece, wherein the lens piece comprises a micro lens array, and the micro lens array comprises: The micro lenses are arranged in an orthogonal array to form a first ultrastructural area for regulating and controlling optical path difference; Part of the micro lenses are arranged in an annular array to form a second ultrastructural area for optical path difference regulation and control; The first ultrastructural area and the second ultrastructural area are respectively arranged on two mirror surfaces opposite to each other of the lens piece. In a preferred embodiment, the inner side of the first ultrastructural region is provided with a first central region free of microlenses; The inner side of the second ultrastructural area is provided with a second central area without microlenses. In a further preferred embodiment, the optical correction centers of the first central region and the second central region are located on the same axis. In one embodiment, the size range of the first ultrastructural region is greater than the size range of the second ultrastructural region. In a preferred embodiment, the size range of the first central region is smaller than the size range of the second central region. In a further preferred embodiment, the first ultrastructural region and the second ultrastructural region are independently configurable. In one embodiment, the size of the microlenses is in the range of 0.01mm to 0.25mm. In a preferred embodiment, some of the microlenses have different focal points. In one embodiment, the amount of microlens defocus within the first and second ultrastructural regions adopts a gradient arrangement. In a preferred embodiment, the defocus amount De of the microlens satisfies +4.50D≤De≤ +10.00D, where D represents diopter and +10.00D is extreme defocus. The utility model provides an optical path difference regulating structure lens. Compared with the prior art, the method has the following beneficial effects: According to the application, a stronger optical path difference signal is generated in a main direction of human eye movement in a targeted manner through a first ultrastructural area formed by the microlenses of the orthogonal array and a second ultrastructural area formed by the microlenses of the annular array, and meanwhile, a stable optical path difference signal girdle is formed in the all direction, so that a compound optical signal stimulus is provided for human retina while an optical signal blind area is avoided, and a better myopia prevention and control effect is achieved. Drawings In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a front view of a l