CN112946921A - Novel myopia lens and glasses - Google Patents
Novel myopia lens and glasses Download PDFInfo
- Publication number
- CN112946921A CN112946921A CN202110127166.XA CN202110127166A CN112946921A CN 112946921 A CN112946921 A CN 112946921A CN 202110127166 A CN202110127166 A CN 202110127166A CN 112946921 A CN112946921 A CN 112946921A
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- lens
- image formation
- area
- imaging
- myopia
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
Abstract
The invention provides a novel myopia lens and glasses, relates to the technical field of glasses, and solves the technical problem that myopia is easily deepened because an object image received by peripheral retina is imaged on the rear side of the retina when a common myopia lens in the prior art is corrected. This myopia lens includes the lens body, wherein, is formed with clear image formation district and fuzzy image formation district on the lens body, and the fuzzy image formation district is located clear image formation district's all around, and the number of degrees in clear image formation district is greater than the number of degrees in fuzzy image formation district, and clear image formation district is used for realizing that light can form images in retina yellow spot central concave position department after passing through clear image formation district, and the fuzzy image formation district is used for realizing that light can form images on the retina or before the retina after passing through fuzzy image formation district. The invention is used for slowing down the deepening of myopia degrees.
Description
Technical Field
The invention relates to the technical field of glasses, in particular to a novel myopia lens and glasses with the same.
Background
Myopia is a form of refractive error in which parallel rays of light enter the eye while the eye is in a accommodative relaxed state and focus in front of the retina, resulting in the inability to form a sharp image on the retina, known as myopia.
When the common myopia lens is corrected, the clearest correction is only carried out on the central vision, and in addition, the lens design is that the degree of the region outside the central vision is gradually increased or irregularly increased, so that the same object is corrected and just projected to the central fovea of the macula lutea to ensure the clear vision, but an object image received by the peripheral retina is not just on the retina but imaged on the rear side of the retina, so that hyperopic defocus is formed, and the hyperopic defocus is one of the main reasons for researching and accepting the formation and the deepening of the myopia, and because the hyperopic defocus on the rear side of the retina can stimulate the axis of the eye to grow towards the rear side, the axis of the eye is increased, and the myopia is further deepened.
Disclosure of Invention
The invention aims to provide a novel myopia lens and glasses with the same, and solves the technical problem that myopia is easily deepened when an object image received by peripheral retina is imaged on the rear side of the retina when a common myopia lens in the prior art is corrected. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a novel myopia lens which comprises a lens body, wherein a clear imaging area and a fuzzy imaging area are formed on the lens body, the fuzzy imaging area is located on the periphery of the clear imaging area, the degree of the clear imaging area is greater than that of the fuzzy imaging area, the clear imaging area is used for enabling light rays to form an image at a central concave position of a macula lutea of a retina after passing through the clear imaging area, and the fuzzy imaging area is used for enabling the light rays to form an image on the retina or in front of the retina after passing through the fuzzy imaging area.
Further, the clear imaging zone is offset from a medial position of the lens body and the clear imaging zone is offset upward from the medial position of the lens body.
Furthermore, the lens body is divided into an upper lens half area and a lower lens half area, and the clear imaging area is formed on the upper lens half area.
Further, the fuzzy imaging area on the upper half area of the lens forms a lens power; or the fuzzy imaging area on the upper half area of the lens forms more than two lens powers.
Furthermore, the blur imaging area on the upper half area of the lens comprises more than two semi-ring blur imaging areas, the lens power on the same semi-ring blur imaging area is the same, the lens power of different semi-ring blur imaging areas is different, the shape of the semi-ring blur imaging area is a semi-ring structure, and each semi-ring blur imaging area is distributed in sequence from the center of the lens body to the edge of the lens body.
Further, the lens power of the fuzzy imaging area on the upper half area of the lens is in a descending trend from the center of the lens body to the edge of the lens body.
Further, the difference of the numbers of the lens degrees of the two adjacent semi-annular fuzzy imaging areas is 10-35 degrees.
Furthermore, a plurality of micro lenses are distributed on the lower half area of the lens.
Furthermore, a plurality of micro lenses are distributed on the fuzzy imaging area; or the lens power of the fuzzy imaging area is in a decreasing trend from the center of the lens body to the edge of the lens body.
Glasses comprise the novel myopia lens.
The invention provides a novel myopia lens, which is formed with a clear imaging area and a fuzzy imaging area, wherein the lens power of the clear imaging area is matched with the lens power required by the myopia for correcting the eyesight, so that light rays can form an image at the fovea position of the retina macula of the myopia after passing through the clear imaging area; the blurred imaging district is located the periphery of sharp imaging district, and the number of degrees in sharp imaging district is greater than the number of degrees in blurred imaging district for light can form images on the retina or before the retina after passing through blurred imaging district, avoids farsightedness out of focus can stimulate the growth of the backward side of eye axis, leads to the condition that the eye axis increases, slows down the deepening of near-sightedness number of degrees.
The preferred technical scheme of the invention can at least produce the following technical effects:
the clear imaging area deviates from the middle position of the lens body, and the clear imaging area upwards deviates from the middle position of the lens body, so that when a myope uses the myopic lens provided by the invention, the effects of clear distance viewing and close-up viewing relaxation can be achieved, and the deepening of the myopic degree can be well slowed down.
The lens power of a fuzzy imaging area on the upper half area of the lens is in a descending trend from the center of the lens body to the edge of the lens body; the aspheric micro lens on the lower half area of the lens can form a signal area for slowing down the increase of the eye axis in front of the retina, thereby effectively slowing down the myopia deepening.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a novel myopia lens provided by an embodiment of the invention.
Figure 1-lens body; 11-a sharp imaging zone; 12-the upper half of the lens; 13-lower lens half zone; 14-semi-ring blur imaging zone.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides a novel myopia lens, which comprises a lens body 1, wherein a clear imaging area 11 and a fuzzy imaging area are formed on the lens body 1, the fuzzy imaging area is positioned at the periphery of the clear imaging area 11, the degree of the clear imaging area 11 is greater than that of the fuzzy imaging area, the clear imaging area 11 is used for realizing that light rays can form an image at a central concave position of macula lutea of retina after passing through the clear imaging area 11, and the fuzzy imaging area is used for realizing that the light rays can form an image on the retina or in front of the retina after passing through the fuzzy imaging area. When the common myopic lens is corrected, an object image received by the peripheral retina is not exactly on the retina, but is imaged on the rear side of the retina, so that hyperopic defocus is formed, and the hyperopic defocus is one of the main reasons accepted by research and causes the formation and the deepening of myopia, because the hyperopic defocus on the rear side of the retina stimulates the axis of the eye to grow towards the rear side, so that the axis of the eye grows, and the myopia further deepens. In the novel myopia lens provided by the invention, the lens power of the clear imaging area 11 is matched with the lens power required by the myopia for correcting the eyesight, so that the image of light rays can be formed at the central concave position of the retina macula lutea of the myopia after the light rays pass through the clear imaging area 11; the blurred imaging area is located sharp imaging area 11 all around, and the number of degrees in sharp imaging area 11 is greater than the number of degrees in blurred imaging area for light can image on the retina or before the retina after passing through blurred imaging area, avoids the condition that hyperopia out of focus can stimulate the axis of the eye to grow to the rear side, leads to the increase of axis of the eye, slows down the deepening of near-sighted number of degrees.
As an optional implementation manner of the embodiment of the present invention, the clear imaging area 11 is offset from the middle position of the lens body 1 and the clear imaging area 11 is offset upward from the middle position of the lens body 1. When the myopia lens provided by the invention is used by a myopia person, the effects of clear distance and relaxation of near vision can be achieved, and the deepening of myopia degrees can be slowed down well.
As an optional implementation mode of the embodiment of the invention, the lens body 1 is divided into an upper lens half area 12 and a lower lens half area 13, and the upper lens half area 12 is formed with a clear imaging area 11. Referring to fig. 1, it is shown that a clear imaging area 11 is formed on the upper half area 12 of the lens, the clear imaging area 11 is upwardly deviated from the middle position of the lens body 1, and the shape of the clear imaging area 11 is an ellipse, of course, the shape of the clear imaging area 11 is not limited to an ellipse.
Regarding the lens upper half 12, the following may be specifically mentioned: the blurred image area on the upper half 12 of the lens forms a lens power; alternatively, the blurred image areas in the upper lens half 12 form more than two lens powers. When the blur imaging area on the upper half 12 of the lens forms more than two lens powers, the blur imaging area on the upper half 12 of the lens may be specifically as follows: referring to fig. 1, the blur imaging area on the upper half area 12 of the lens includes more than two semicircular blur imaging areas 14, the lens power on the same semicircular blur imaging area 14 is the same, the lens power of different semicircular blur imaging areas 14 is different, the shape of the semicircular blur imaging area 14 is a semicircular structure, and each semicircular blur imaging area 14 is sequentially distributed from the center of the lens body 1 to the edge of the lens body 1. Referring to fig. 1, three semicircular blurred imaging areas 14 are illustrated on the blurred imaging area on the upper half area 12 of the lens, and of course, the number of the semicircular blurred imaging areas 14 is not limited to three, and may be other numbers.
The lens power of the fuzzy imaging area on the lens upper half area 12 is in a decreasing trend from the center of the lens body 1 to the edge of the lens body 1. The difference of the numbers of the lens degrees of the two adjacent semi-annular fuzzy imaging areas 14 is between 10 and 35 degrees. Referring to fig. 1, it is illustrated that the difference of the numbers of lens degrees of two adjacent semi-annular blurred imaging areas 14 is 25 degrees.
With respect to the lens inferior half zone 13, the following may be specified: the lower half area 13 of the lens is distributed with a plurality of micro lenses. Referring to fig. 1, the aspheric lenticule on the lower half area 13 of the lens can form a signal area for slowing the growth of the axis of the eye in front of the retina, which effectively slows the progression of myopia. Regarding the distribution of the aspherical microlenses on the lower half 13 of the lens, the distribution may be in the form of a plurality of concentric semicircles from the center of the lens body 1 to the edge of the lens body 1.
As an optional implementation manner of the embodiment of the present invention, the structure of the myopic lens may also be as follows: a plurality of micro lenses are distributed on the fuzzy imaging area, namely a plurality of aspheric micro lenses are distributed on the periphery of the clear imaging area 11; alternatively, the structure of the myopic lens may be as follows: the lens power of the annular fuzzy imaging area is in an annular structure, the annular fuzzy imaging areas are sequentially distributed from the center of the lens body 1 to the edge of the lens body 1, and the lens power of the fuzzy imaging area is in a decreasing trend from the center of the lens body 1 to the edge of the lens body 1.
The invention provides a pair of glasses, which comprises a novel myopia lens provided by the stile. The lens power of the myopia lens clear imaging area 11 is matched with the lens power required by the myopia to correct the eyesight, so that the light can form an image at the central concave position of the retina macula lutea of the myopia after passing through the clear imaging area 11; the blurred imaging area is located sharp imaging area 11 all around, and the number of degrees in sharp imaging area 11 is greater than the number of degrees in blurred imaging area for light can image on the retina or before the retina after passing through blurred imaging area, avoids the condition that hyperopia out of focus can stimulate the axis of the eye to grow to the rear side, leads to the increase of axis of the eye, slows down the deepening of near-sighted number of degrees.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A novel myopia lens is characterized by comprising a lens body (1), wherein,
clear image formation area (11) and blurred image formation area are formed on lens body (1), blurred image formation area is located clear image formation area (11) all around, the number of degrees in clear image formation area (11) is greater than blurred image formation area's number of degrees, just clear image formation area (11) are used for realizing that light passes through can form images in retina macula lutea central concave position department behind clear image formation area (11), blurred image formation area is used for realizing that light passes through can form images on the retina or before the retina behind the blurred image formation area.
2. A new type of myopic lens according to claim 1, wherein the clear imaging zone (11) is offset from the lens body (1) mid-position and the clear imaging zone (11) is offset upwards from the lens body (1) mid-position.
3. A new type of myopic lens according to claim 1 or 2, wherein the lens body (1) is divided into an upper lens half (12) and a lower lens half (13), the upper lens half (12) having the clear imaging zone (11) formed thereon.
4. A novel myopia lens according to claim 3, wherein the blurred image area in the upper lens half (12) defines a lens power; alternatively, the first and second electrodes may be,
the blurred imaging area on the upper half area (12) of the lens forms more than two lens degrees.
5. A novel myopia lens according to claim 4, wherein the blur imaging area on the upper half (12) of the lens comprises more than two semi-annular blur imaging areas (14), the lens power on the same semi-annular blur imaging area (14) is the same, the lens power of different semi-annular blur imaging areas (14) is different, the shape of the semi-annular blur imaging area (14) is semi-annular structure, and each semi-annular blur imaging area (14) is distributed along the edge of the lens body (1) from the center of the lens body (1).
6. A new type of myopia lens according to claim 4, wherein the blur image zone on the upper lens half (12) has a decreasing lens power from the center of the lens body (1) towards the edge of the lens body (1).
7. A novel myopic lens according to claim 5, wherein the difference of lens power between two adjacent semi-annular blurred imaging areas (14) is 10-35 degrees.
8. A new type of myopic lens according to claim 3, wherein said lower lens half (13) has a number of micro-lenses distributed thereon.
9. A novel myopia lens according to claim 1 or claim 2, wherein the blur imaging zone has a plurality of microlenses distributed thereon;
or the lens power of the fuzzy imaging area is in a decreasing trend from the center of the lens body (1) to the edge of the lens body (1).
10. Spectacles comprising a novel myopia lens according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110127166.XA CN112946921A (en) | 2021-01-29 | 2021-01-29 | Novel myopia lens and glasses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110127166.XA CN112946921A (en) | 2021-01-29 | 2021-01-29 | Novel myopia lens and glasses |
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| CN112946921A true CN112946921A (en) | 2021-06-11 |
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| CN202110127166.XA Pending CN112946921A (en) | 2021-01-29 | 2021-01-29 | Novel myopia lens and glasses |
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Application publication date: 20210611 |