CN218068482U - Astigmatic out-of-focus spectacle lens and spectacles - Google Patents

Abstract

The application discloses an astigmatic defocusing spectacle lens and spectacles, wherein the spectacle lens comprises a mother lens and at least one group of annular belts arranged on the mother lens; the primary mirror includes an optical center; the ring belt takes the optical center as the circle center and is arranged along the radial direction of the mother lens; the zone includes a plurality of groups of microlenses connected to each other, the microlenses having a width W in any first direction ₁ And a width W in a second direction perpendicular to the first direction ₂ Satisfies the following conditions: w is more than or equal to 0.1mm ₁ ‑W ₂ The | < 4.0mm. This application makes the wearing person wear behind the mirror eyes can have simultaneously when passing through the clitellum structure to the peripheral hypermetropia out of focus of retina and carry out and overkillA myopic defocus function and an astigmatic defocus function for the retina periphery; because the width of the micro lenses forming the annular zone in one direction is not equal to the width of the micro lenses vertical to the direction, the arrangement density of the micro lenses is different, the local defocusing area can be increased, and the further occurrence or development of the teenager axial myopia is inhibited through the double defocusing function.

Description

Astigmatic out-of-focus spectacle lens and spectacles

Technical Field

The application relates to the technical field of eye vision optics, in particular to an astigmatism out-of-focus spectacle lens and spectacles.

Background

The multipoint positive out-of-focus lens is in a micro-lens form and is provided with enough myopia out-of-focus at the periphery of retina, and different refractive powers are generated by focal power different from the optical center and are used for inhibiting the development of myopia. Clinical practice of the existing frame glasses shows that the increase of the eye axis can be inhibited through simple myopia defocus, and relative hyperopia defocus can be reduced to change the peripheral refractive state of human eyes. However, the peripheral retinal astigmatism defocus is also one of the factors promoting the reverse development of the eye axis, and how to increase the function of overusing the peripheral retinal astigmatism is a problem to be solved urgently by the existing defocused lenses.

Disclosure of Invention

The purpose of the invention is as follows: the embodiment of the application provides a astigmatic defocusing spectacle lens, which aims to solve the problem that the defocusing spectacle lens in the prior art lacks an overkill function for peripheral astigmatism of a retina; it is another object of the present application to provide spectacles comprising the above-described astigmatic, through-focus spectacle lens.

The technical scheme is as follows: an astigmatic defocus spectacle lens of the embodiment of the present application includes:

the endoscope comprises a mother mirror and at least one group of annular belts arranged on the mother mirror; the parent mirror includes an optical center; the ring belt takes the optical center as a circle center and is arranged along the radial direction of the primary mirror;

the annular zone comprises a plurality of groups of microlenses connected to each other, the microlenses having a width W in any first direction ₁ And a width W in a second direction perpendicular to the first direction ₂ Satisfies the following conditions: w is more than or equal to 0.1mm ₁ -W ₂ |≤4.0mm。

In some embodiments, the parent mirror comprises a first face proximal to the eye side and a second face distal to the eye side; the first face and the second face are oppositely arranged, and the annular belt is located on the second face.

In some embodiments, the master mirror includes a first dielectric layer and a second dielectric layer; the first dielectric layer is connected with the second dielectric layer to form an interlayer; the annulus is located in the interlayer.

In some embodiments, when the annulus is located on the second face, the first face comprises any of a spherical surface, an aspherical surface, a toroidal surface, or a free-form surface.

In some embodiments, when the annulus is in the interlayer, the second dielectric layer comprises a spherical or aspherical surface and the first dielectric layer comprises any of a spherical, aspherical, toroidal or free-form surface.

In some embodiments, the parent mirror is defined by the girdle as a first flex zone and a second flex zone; the second dioptric zone comprises a region where the micro-lenses cover the female mirror; the first dioptric zone includes a region extending from the optical center to the lenticules and a region between adjacent annuli.

In some embodiments, the curved surface profile of the microlens is any one of a toroidal surface or a toroidal surface.

In some embodiments, when the curved surface type of the micro-lens is toric, the second dioptric zone comprises first refractive powers D with mutually perpendicular dioptric directions ₁ And a second refractive power D ₂ (ii) a The first refractive power D ₁ And the second refractive power D ₂ Satisfies the following conditions: d ₂ -D ₁ Not less than 2.0D and D ₁ -D ₀ Not less than 3.0D; wherein D is ₀ Indicating the prescribed refractive power of the parent mirror.

In some embodiments, when the toroidal surface of the microlens is a toroidal surface, the second dioptric region comprises power in at least three directions, including a maximum power D _max And minimum refractive power D _min The maximum refractive power D _max And the minimum refractive power D _min The refractive directions are perpendicular to each other, and the maximum refractive power D _max And the minimum refractive power D _min Satisfies the following conditions: d _max -D _min Not less than 2.0D and D _min -D ₀ Not less than 3.0D; wherein D is ₀ Representing the prescribed refractive power of the parent mirror.

In some embodiments, the zones are equally or unequally arrayed in a radial direction of the female mirror; the distance between the adjacent ring belts is 0.5-4 mm.

In some embodiments, the equidistant arrangement specifically means: the intervals of all the ring belts are 0.5mm, or 1mm, or 1.5mm, or 2mm, and the like.

In some embodiments, the non-equidistant arrangement is in particular: the distance between the zones may be randomly increasing or decreasing; or the distance between each ring belt is gradually decreased. When the distance between adjacent annular zones is reduced, the defocusing area of the annular zones is correspondingly increased; when the distance between the annular belts is increased, the defocusing area is correspondingly reduced.

In some embodiments, the annulus is a closed annulus or a non-closed annulus; or alternatively

The annular bands are distributed around the optical center in a triangular, quadrilateral, polygonal, circular or elliptical shape; or alternatively

The micro lens is triangular, quadrilateral, polygonal or elliptical.

In some embodiments, the present application also provides an eyeglass comprising an astigmatic through-focus spectacle lens as described above.

Has the advantages that: compared with the prior art, the astigmatic defocusing spectacle lens comprises a mother lens and at least one group of annular belts arranged on the mother lens; the primary mirror includes an optical center; the annular belt takes the optical center as the circle center and is arranged along the radial direction of the primary mirror; the annular zone comprises multiple groups of microlenses connected with each other, and the width W of each microlens in any first direction ₁ And a width W in a second direction perpendicular to the first direction ₂ Satisfies the following conditions: w is more than or equal to 0.1mm ₁ -W ₂ The | < 4.0mm. The multi-group annular band is arranged at the periphery of the optical center of the mother glasses, so that after the glasses are worn by a wearer, the eye can have a myopic out-of-focus function of performing an overkill aiming at hyperopic out-of-focus at the periphery of the retina and an astigmatic out-of-focus function of performing an overkill aiming at astigmatism at the periphery of the retina when the eye penetrates through the annular band structure; meanwhile, since the microlenses constituting the zones have a width in one direction and a vertical directionThe widths in the directions are unequal, so that the arrangement density of the microlenses is different, the intervals of the annular zones are different, the local defocusing area can be increased, and the further occurrence or development of the teenager axial myopia can be inhibited by the double defocusing function.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

FIG. 1 is a front view of an astigmatic through-focus spectacle lens provided in an embodiment of the present application;

fig. 2 is a side view of a compound out-of-focus spectacle lens provided in an embodiment of the present application;

FIG. 3 is a side view of another compound out-of-focus spectacle lens provided in the embodiments of the present application;

FIG. 4 is a schematic view of a microlens structure provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a microlens in a toroidal curved surface according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a microlens in a toroidal curved surface according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of a non-closed loop structure provided in an embodiment of the present application;

FIG. 8 is a schematic view of a polygonal annulus configuration provided in an embodiment of the present application;

reference numerals: 10-mother mirror, 20-annulus, 30-first dioptric region, 40-second dioptric region, 50-notch, 101-optical center, 102-first surface, 103-second surface, 104-interlayer, 105-first dielectric layer, 106-second dielectric layer, 201-microlens.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

An astigmatic through-focus ophthalmic lens, as shown with reference to figures 1-2, comprising: a mother mirror 10 and at least one set of girdle 20 disposed on the mother mirror 10; the parent mirror 10 includes an optical center 101; the ring belt 20 takes the optical center 101 as a circle center and is arranged along the radial direction of the mother mirror 10; the annulus 20 includes a plurality of groups of microlenses 201 connected to one another. The design of the annular belt structure not only provides a myopic defocus function of performing the overkill on hyperopic defocus at the periphery of the retina of a wearer wearing the glasses, but also performs the overkill on astigmatism at the periphery of the retina, and the further occurrence and development of teenager axial myopia are inhibited by the double-defocus function.

In some embodiments, referring to FIG. 4, the width W of the microlens 201 in any first direction ₁ And a width W in a second direction perpendicular to the first direction ₂ Satisfies the following conditions: w is more than or equal to 0.1mm ₁ -W ₂ The | < 4.0mm. In fig. 4, the horizontal arrow indicates the first direction, the vertical arrow indicates the second direction, when the widths in the two directions satisfy the above ranges, the surface shape of a single microlens is a non-circular structure with a toroidal surface shape or a toroidal surface shape, and the microlens has at least two different refractive powers, and can simultaneously compatible with a photopic region and a defocusing region in any pupil scanning area range, thereby ensuring that each microlens generates myopic defocusing and astigmatic defocusing under normal vision conditions of human eyes, the myopic defocusing can enable an image originally imaged behind the retina to be imaged in front of the retina, and the defocusing can simultaneously perform a function of correcting the astigmatism in the periphery of the retina.

In some embodiments, when the width of the microlenses 201 in one direction is not equal to the width perpendicular to the one direction, the microlenses 201 may have different structures to form the annular zone 20; therefore, since each microlens 201 has a different shape, and the zones 20 have different distances therebetween, the local defocus area can be adjusted due to the different distances, so as to improve the adaptability of the spectacle lens. In some embodiments, the microlenses 201 may also adopt a structure with the same shape to form the zones 20, and in this case, the local defocus area may also be adjusted by actively adjusting the distance between the zones 20.

In some embodiments, the selection of the first and second directions is not limited to the manner shown in fig. 4, and in fact the above ranges are only satisfied in any direction of the lenticules to provide the lens with the requirement of simultaneously adjusting the myopic defocus and the astigmatic defocus. Meanwhile, the absolute value of the difference in width in the first direction and the second direction is further preferably any one of 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, and 4.0mm.

In some embodiments, with further reference to fig. 2, the parent mirror 10 includes a first face 102 proximal to the eye side and a second face 103 distal from the eye side; the first face 102 and the second face 103 are oppositely arranged; wherein the annulus 20 is located on the second face 103. The side near the eye can be specifically understood as the side near the eye, and in this case, the first surface 102 is mostly concave; the second surface 103 corresponding to the first surface 102 is positioned on the outer side, and the second surface 103 is convex; the annulus 20 is provided on the convex second face 103 to ensure that the wearer's retina receives sufficient defocus stimuli to induce axial reversal.

In some embodiments, in order to prevent the microlens 201 from being easily worn on the surface of the mother mirror 10, so that the shape of the microlens 201 is changed, which results in that the defocus of the microlens 201 becomes smaller, and the functionality is affected, the microlens 201 needs to be protected, see fig. 3, the mother mirror 10 includes a first medium layer 105 and a second medium layer 106; the first dielectric layer 105 is connected with the second dielectric layer 106 to form an interlayer 104; the cuff 20 is located in the interlayer 104. The ring zone 20 is located in the interlayer 104, and the convex direction of the micro-lenses 201 is towards the second surface 103.

In some embodiments, the first medium layer 105 and the second medium layer 106 are two refractive index materials, and when the girdle 20 is on the surface of the first medium layer 105, the second medium layer 106 forms a mother lens 10 by injection molding, casting, or by pasting, etc.; wherein the refractive index of the first dielectric layer 105 is N ₁ The refractive index of the second medium layer is N ₂ The refractive power of the first medium layer is (N) ₂ -N ₁ )×R ₁ The refractive power of the second dielectric layer 106 is (N) ₂ -N ₁ )×R ₂ Wherein R is ₁ Radius of curvature in the meridional direction, R, of the refractive power of the microlens ₂ Is the radius of curvature of the refractive power of the microlens in the vertical meridional direction.

In some embodiments, when the annulus 20 is located on the second face 103, the first face 102 comprises any of a spherical surface, an aspherical surface, a toroidal surface, or a free-form surface; or when annulus 20 is in interlayer 104, second dielectric layer 106 comprises a spherical or aspherical surface and first dielectric layer 105 comprises any of a spherical, aspherical, toroidal, or free-form surface.

In some embodiments, the parent mirror 10 is defined by the girdle 20 into a first flex zone 30 and a second flex zone 40; the propagation direction of the light rays is not changed when the light rays pass through the first refraction area 30, and the light rays form images at positions except for the retina of the eye when the light rays pass through the second refraction area 40, so that the function of inhibiting the ametropia of the eye is realized; referring to fig. 2, the second dioptric region 40 includes a region where the micro lens 201 covers the mother mirror 10, and may be specifically understood as a region where the micro lens 201 is disposed corresponding to the mother mirror 10, and since the structure of the annular zone 20 is disposed on the surface of the mother mirror 10, the refractive powers of the micro lens 201 and the mother mirror 10 form the second dioptric region 40 together; the first dioptric region 30 includes a region extending from the optical center 101 to the microlens 201 and a region between adjacent annular zones 20, and since the annular zones are provided in a plurality of sets, the region between the annular zone closest to the optical center 101 and the optical center and the region between adjacent annular zones constitute a first dioptric region with clear vision, preferably, the region between the annular zone closest to the optical center 101 and the optical center is circular, and the optical center 101 may provide the optical center 101 with a circular shapePrescription refractive power D ₀ Therefore, optical center 101 and the region other than optical center 101 together form first refractive zone 30.

In some embodiments, to ensure that the microlens 201 produces at least two different optical powers, the curved surface profile of the microlens 201 is either toroidal or toroidal.

In some embodiments, toroidal Surface (Toric Surface) refers to a Surface of a microlens having two mutually perpendicular maximum and minimum radii of curvature, respectively, and the radius of curvature at any point in the same axial direction is equal to the radius of curvature at the apex of the microlens; defining a toroidal surface on an xyz Cartesian coordinate system, wherein a z-axis passes through a vertex of the toroidal surface along an internal normal, an xoy plane passes through the vertex of the toroidal surface and is perpendicular to the z-axis, and the toroidal surface takes an x-direction as a meridian base axis direction and is determined by the following functions:

wherein, C _x Is the curvature of the toroidal surface in the x-axis direction, C _y Curvature of the toroidal surface in the y-axis direction perpendicular to the x-axis direction, C _x ＜C _y 。

In some embodiments, referring to fig. 5, when the curved surface of the microlens 201 is a toric surface, the second refractive area 40 includes first refractive powers D with refractive directions perpendicular to each other ₁ And a second refractive power D ₂ (ii) a In FIG. 5, the first refractive power D ₁ In the meridional direction, the second refractive power D ₂ The direction is sagittal direction, the first refractive power D ₁ And a second refractive power D ₂ Satisfies the following conditions: d ₂ -D ₁ Not less than 2.0D and D ₁ -D ₀ Not less than 3.0D; wherein D is ₀ Indicating the prescribed refractive power of the parent lens 10.

In some embodiments, an active Surface (active Surface) refers to a Surface of a microlens having two perpendicular maximum and minimum radii of curvature, respectively, and the radius of curvature of any point or any segment in the same axial direction is not equal to the radius of curvature of the vertex of the microlens; defining said toroidal surface in an xyz Cartesian coordinate system, a z-axis passing through a toroidal surface vertex along an internal normal, and a xoy plane passing through the toroidal surface vertex and perpendicular to the z-axis, said toroidal surface defined by the following function:

wherein C is the curvature of the apex of the toroidal curved surface, k _x Is the conic constant, k, in the x-axis direction _y Is a conic constant in the y-axis direction perpendicular to the x-axis direction, a ₄ 、a ₆ ……a _n Are the coefficients of the higher-order terms in the x-axis direction, b ₄ 、b ₆ ……b _n The coefficients of the high-order terms in the y-axis direction are respectively; the value order range of the high-order term coefficient is as follows: a is ₄ 、a ₆ ……a _n Is 10 ^-4 ～10 ^-n ，b ₄ 、b ₆ ……b _n Is 10 ^-4 ～10 ^-n 。

In some embodiments, referring to fig. 6, when the curved surface of the microlens 201 is a toroidal curved surface, the second refractive area 40 includes refractive powers in at least three directions, such as D _max 、D _mid And D _min And the refractive powers obtained in at least three directions are all different, i.e. D _max 、D _mid And D _min All are different; wherein the refractive power includes a maximum refractive power D _max And minimum refractive power D _min Maximum refractive power D _max And minimum refractive power D _min The refractive directions are vertical to each other, and the maximum refractive power D _max And minimum refractive power D _min Satisfies the following conditions: d _max -D _min Not less than 2.0D and D _min -D ₀ Not less than 3.0D; wherein D is ₀ Indicating the prescribed refractive power of the parent lens 10.

In some embodiments, the non-circular microlenses 201 have a maximum diameter of 1-4 mm and a minimum diameter of 0.5-2 mm.

In some embodiments, referring to FIG. 1, the zones 20 are equally or unequally aligned in a radial direction of the parent mirror 10; the equidistant arrangement specifically means that the distances between the respective zones 20 are equal, and the non-equidistant arrangement specifically means that the distances between the respective zones 20 from the optical center 101 to the outer sides gradually increase, or gradually decrease, or randomly pitch.

In some embodiments, there are 11 zones arranged in fig. 1, the first zone to the eleventh zone are arranged in sequence from inside to outside with the optical center 101 as the center, the distance between each zone is L1, L2, L3, L4, L5, L6, L7, L8, L9 and L10, the distance between adjacent zones 20 is 0.5 to 4mm, for example, the distance between the first zone and the second zone is 0.5mm, the distance between the second zone and the third zone is 0.6mm, the distance between the third zone and the fourth zone is 0.7mm, and the like. The intervals of the zones 20 are different, so that the local defocusing area can be increased to strengthen the defocusing effect.

In some embodiments, the annulus 20 is a closed annulus or a non-closed annulus; the closed ring zone specifically means that the micro-lenses 201 are connected in a ending way to enable the ring zone 20 to form a complete circle; the non-closed ring belt is characterized in that a gap 50 is formed in the ring belt, and referring to fig. 7, the gap 50 can be vertically downward or inclined mutually, the inclination angle is 3-12 degrees, and by the design of the gap 50, the downward inward-rotation visual area of the eyes of a wearer can be increased, and the wearing comfort is improved; when the ring belt structure is a closed structure, a plurality of groups of ring belts are symmetrically distributed around the optical center 101 of the mother lens; when the annular zone structure is a non-closed structure, the first annular zone or the first annular zone and the second annular zone which are close to the optical center in the plurality of annular zones are non-closed annular zones, and the rest plurality of annular zones are closed annular zones and are distributed on the periphery of the non-closed annular zones.

In some embodiments, the microlenses 201 are triangular, quadrilateral, polygonal, or elliptical; alternatively, the zones may be distributed in a triangular, quadrilateral, polygonal, circular or elliptical pattern about the optical center 101. As shown in FIG. 8, the annulus 20 is polygonal in shape to provide defocus adjustment for different refractive conditions.

In some embodiments, the material of the mother mirror 10 includes a polymer material or an inorganic non-metal material. Wherein, the high molecular material comprises thermoplastic resin or thermosetting resin, and the inorganic non-metallic material comprises glass and the like. The thermoplastic resin includes polycarbonate or polymethyl methacrylate; the thermosetting resin includes any one of acrylic resin, episulfide resin, thiourethane resin, allyl resin, and polyurethane.

In some embodiments, a coating film is formed on a surface of at least one side of the mother mirror 10, and the coating film includes a transparent coating film for increasing transmittance of the lens, a hard coating film for increasing durability of the lens, a reflective film for blocking harmful light, an antireflection film for realizing visibility of image formation, a polarizing film including a color-changing function, or other color-changing film including a material doped with a material sensitive to ultraviolet rays, and the like. The coating film can have different colors, and the visible color under the condition of light reflection can be green, blue, yellow, purple and the like, and can also be other colors.

In some embodiments, the process for making an ophthalmic lens can comprise: manufacturing a spectacle lens blank by a metal or glass mold by using an injection molding or pouring molding process, and then processing the rear surface of the blank by a workshop to manufacture the required spectacle lens; or the glasses lens blank is made by metal and glass moulds by using a UV light curing process, and then the glasses lens required by the wearer is made by processing the surface of the blank by a workshop; or the spectacle lens patch is made by metal and glass molds through a UV light curing process, and then the spectacle lens or the spectacle lens blank is made through a bonding process.

In some embodiments, the spectacle lens obtained by the above process can be further prepared and formed after being combined with a spectacle frame, and the shape of the spectacle lens can be circular, square, ellipse-like or other special-shaped structures.

In some embodiments, the refractive index of the first refractive region 30 and the refractive index of the second refractive region 40 of the mother mirror 10 may be the same or different. Preferably, the refractive index of the second refractive area 40 is greater than that of the first refractive area 30, the second refractive area 40 needs to enable light to form a myopic defocus when passing through the second refractive area 40, and the refractive index of the second refractive area 40 is greater than that of the first refractive area 30, that is, the second refractive area 40 uses an optical material with a higher refractive index, so that the lens can be thinner and reach a target refractive power.

In the application, a plurality of groups of annular band structures are arranged at the periphery of the optical center of the spectacle lens, so that after a wearer wears the spectacle lens, when eyes penetrate through the annular band structures, the spectacle lens has the functions of performing upright myopic defocus aiming at the peripheral hyperopic defocus of retina and astigmatic defocus at the peripheral retina; the glasses have the advantages that the glasses have the configuration of myopic defocus and astigmatic defocus, can ensure that the retina periphery of a wearer obtains sufficient defocus stimulation for inducing the reverse development of the eye axis, and can also customize products with better pertinence and effect for juvenile groups with different refractive states, different visual functions, different age groups, different prescription diopters and different retina periphery refractive states according to different conditions.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above detailed descriptions of the astigmatic defocus glasses lens and glasses provided by the embodiments of the present application are provided, and specific examples are applied to explain the principle and the embodiments of the present application, and the descriptions of the above embodiments are only used to help understanding the technical solutions and the core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (10)

1. An astigmatic through-focus ophthalmic lens, comprising:

a mother mirror (10) and at least one group of ring belts (20) arranged on the mother mirror (10); the parent mirror (10) comprises an optical center (101); the ring belt (20) takes the optical center (101) as a circle center and is arranged along the radial direction of the primary mirror (10);

the ring belt (20) comprises a plurality of groups of micro lenses (201) connected with each other, and the width W of each micro lens (201) in any first direction ₁ And a second direction perpendicular to the first directionWidth W of ₂ Satisfies the following conditions: w is more than or equal to 0.1mm ₁ -W ₂ |≤4.0mm。

2. An astigmatic defocus ophthalmic lens according to claim 1, wherein the parent lens (10) comprises a first face (102) near the eye side and a second face (103) far from the eye side; the first face (102) and the second face (103) are arranged opposite to each other, and the ring belt (20) is located on the second face (103).

3. An astigmatic defocus ophthalmic lens according to claim 1, wherein the parent lens (10) comprises a first medium layer (105) and a second medium layer (106); the first dielectric layer (105) is connected with the second dielectric layer (106) to form an interlayer (104); the annulus (20) is located in the interlayer (104).

4. An astigmatic defocus ophthalmic lens according to claim 2,

when the annulus (20) is located on the second face (103), the first face (102) includes any one of a spherical surface, an aspherical surface, a toroidal surface, or a free-form surface.

5. An astigmatic through-focus ophthalmic lens according to claim 3, wherein when the annulus (20) is located in the interlayer (104), the second medium layer (106) comprises a spherical or aspherical surface, and the first medium layer (105) comprises any one of a spherical, aspherical, toroidal or free-form surface.

6. An astigmatic defocus spectacle lens according to claim 1, wherein the parent lens (10) is defined by the zone (20) into a first dioptric zone (30) and a second dioptric zone (40); the second dioptric area (40) comprises a region where the micro lens (201) covers the mother mirror (10); the first dioptric zone (30) comprises a region extending from the optical center (101) towards the microlens (201) and a region between adjacent annuli (20).

7. An astigmatic, defocused spectacle lens according to claim 6, wherein said microlens (201) has a curved surface type of any one of a toroidal surface or a toroidal surface;

when the curved surface type of the micro lens (201) is a ring curved surface, the second refractive area (40) comprises first refractive powers D with refractive directions perpendicular to each other ₁ And a second refractive power D ₂ (ii) a The first refractive power D ₁ And the second refractive power D ₂ Satisfies the following conditions: d ₂ -D ₁ Not less than 2.0D and D ₁ -D ₀ Not less than 3.0D; wherein D is ₀ Representing a prescribed refractive power of the parent mirror (10);

when the curved surface type of the micro lens (201) is a toroidal curved surface, the second dioptric area (40) comprises refractive powers in at least three directions, and the refractive powers comprise a maximum refractive power D _max And minimum refractive power D _min The maximum refractive power D _max And the minimum refractive power D _min The refractive directions are perpendicular to each other, and the maximum refractive power D _max And the minimum refractive power D _min Satisfies the following conditions: d _max -D _min Not less than 2.0D and D _min -D ₀ Not less than 3.0D; wherein D is ₀ Represents the prescribed refractive power of the parent mirror (10).

8. An astigmatic, defocused spectacle lens according to claim 1, wherein said zones (20) are arranged equidistantly or non-equidistantly along the radial direction of said parent lens (10); the distance between the adjacent annular belts (20) is 0.5-4 mm.

9. An astigmatic, defocused spectacle lens according to claim 1, wherein said zone (20) is a closed zone or a non-closed zone; or

The annuli (20) are distributed in a triangular, quadrangular, polygonal, circular or elliptical shape around the optical centre (101); or

The micro lens (201) is triangular, quadrilateral, polygonal or elliptical.

10. Spectacles comprising an astigmatic through-focus spectacle lens according to any one of claims 1 to 9.

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