CN219370156U - Gradual change type multipoint defocusing auxiliary lens and glasses with same - Google Patents

Abstract

The utility model discloses a gradual change type multi-point defocus auxiliary lens and glasses with the same, wherein the auxiliary lens comprises a lens body, the surface of the lens body is provided with a first refractive area and a second refractive area, the first refractive area is positioned at the center of the lens body, the first refractive area is a flat optical area which does not have a refractive correction function, the second refractive area is positioned at the periphery of the first refractive area and is concentric with the first refractive area, and the second refractive area is a multi-point defocus intervention area with refractive change and has the function of focusing an image at a position outside retina so as to inhibit the progression of refractive error of eyes. The utility model solves the technical problem that the myopia prevention and control effect of the multi-point defocus lens with fixed defocus amount is better than that of the prior art.

Description

Gradual change type multipoint defocusing auxiliary lens and glasses with same

Technical Field

The utility model belongs to the technical field of glasses, and relates to an auxiliary spectacle lens, in particular to a gradual change type multipoint defocusing auxiliary lens and glasses with the same.

Background

The multi-point defocusing lens is one of hot products for preventing and controlling myopia of teenagers in recent years, and can change hyperopic defocusing around retina into myopia defocusing, thereby inhibiting eye axis growth and playing a role in slowing myopia deepening. Currently, most of the mainstream products of the multi-point defocus lens on the market are to divide the lens into a correction area and a multi-point defocus intervention area, wherein the correction area is used for correcting the ametropia of the eye, the multi-point defocus intervention area is used for inhibiting the development of the ametropia of the eye, that is to say, the correction area of the lens is provided with myopia degree, and the multi-point defocus intervention area is a defocus area with the function of inhibiting myopia deepening, and the following problems exist in the lens with the structure: 1. the lenses are required to be produced according to specific different diopters and completely coincide with diopter data of a user, so that a large amount of inventory is accumulated, and production resources are wasted; 2. once the diopter of the lens is complex, for example, astigmatism is large, the lens not only needs to be customized for a long time, but also can not be customized due to the excessively high degree, so that a needed person can not prevent and control myopia, and the use is limited; 3. when the vision of the wearer changes, the previously worn glasses must be discarded and manufactured again, and no matter how good or unusable the previously worn glasses are, the glasses of the multi-point defocused lens must be discarded, and the price of the glasses is relatively expensive, which clearly increases the economic burden to the user.

Aiming at the technical problems, the applicant of the utility model discloses a general multi-point defocus auxiliary lens and glasses with the same, the patent number is ZL202220117582.1, the defocus lens is manufactured into an auxiliary lens matched with the prior myopia glasses, the first diopter area of the defocus lens is a flat zone, the function of correcting the ametropia of the whole glasses is still realized through the original wearing glasses, and when the vision of people changes, only the original single-light glasses are needed to be prepared again. However, the applicant of the present utility model found that the conventional multi-point defocus lens is mostly a multi-point defocus lens with a fixed defocus amount, and the myopia prevention and control effect is excellent, but there is an improved method, so that the above-mentioned technique is improved.

Disclosure of Invention

In view of this, the present utility model provides a progressive multi-point defocus auxiliary lens and glasses with the same, so as to design a multi-point defocus auxiliary lens with better myopia prevention and control effect than the existing fixed defocus amount multi-point defocus lens.

In order to achieve the above-mentioned technical objective, the present utility model provides a progressive multi-point defocus auxiliary lens, comprising a lens body, wherein the surface of the lens body has a first refractive zone and a second refractive zone, the first refractive zone is located at the center of the lens body, the first refractive zone is a plano zone, which does not have a refractive correction function, the second refractive zone is located at the periphery of the first refractive zone and concentric with the first refractive zone, and the second refractive zone is a multi-point defocus intervention zone with refractive power variation, which has a function of focusing an image at a position other than retina to inhibit progression of refractive error of an eye.

In some embodiments, the second refractive region is comprised of a plurality of micro-lenses arrayed on the surface of the lens body, the refractive power of the micro-lenses varying in a gradient from layer to layer from near the center of the lens body.

In some embodiments, the refractive manifestation of the miniature convex lens is a sphere or cylinder.

In some embodiments, when the refractive appearance of the miniature convex lens is a sphere lens, the refractive power of the miniature convex lens increases from near the center of the lens body outwardly by a value of between +0.05d and +0.5d.

In some embodiments, when the refractive appearance of the miniature convex lens is cylindrical, the refractive power of the miniature convex lens increases from near the center of the lens body, outwardly, by a value of between +0.10d and +1.00d.

In some embodiments, when the refractive appearance of the miniature convex lens is a sphere lens, the diopter value of the miniature convex lens is between +1.00D and +7.50D.

In some embodiments, when the refractive manifestation of the miniature convex lens is a cylinder, the diopter value of the miniature convex lens is between +2.00D and +15.00D.

In some embodiments, the second refractive region is circular, elliptical or polygonal concentric with the first refractive region, and the plurality of micro-convex lenses are disposed in the second Qu Guangou domain in a uniformly spaced or continuous arrangement.

In some embodiments, the surface of the lens body further comprises a third refractive zone, the third refractive zone being all but the first and second refractive zones on the surface of the lens body, and the third refractive zone being a piano zone.

On the other hand, the utility model also provides glasses, which comprise the original wearing glasses and the auxiliary lenses in the technical scheme, wherein the auxiliary lenses are covered on the lenses of the original wearing glasses and are detachably connected with the original wearing glasses, and the auxiliary lenses have the function of inhibiting myopia development when being matched with the original wearing glasses.

It should be noted that, in the above technical solution, the connection manner between the auxiliary lens and the original glasses includes, but is not limited to, the manner of magnetic attraction, fastening or hooking described above, and the connection manner may be flexibly selected according to actual needs in actual production and processing.

Compared with the prior art, the utility model has the beneficial effects that:

the first refractive area of the gradual change type multi-point defocus auxiliary lens designed by the utility model is still a flat light area without refractive correction function, the second refractive area is not a defocus area with fixed diopter, instead, the second refractive area is designed as a multi-point defocus intervention area with diopter change, and the diopter change is gradually increased from the center close to the lens body to the outside layer by layer, so that the effect of object imaging in front of retina is gradually enhanced, an increasingly larger defocus effect is formed, and a better myopia growth control effect can be realized. Meanwhile, the auxiliary lens is matched with the original wearing glasses, the function of correcting the ametropia of the eyes of the whole glasses is still realized through the original wearing glasses, the auxiliary lens plays a role in inhibiting myopia development, when the diopter of people changes, only the original single-light glasses are required to be prepared again, the auxiliary lens does not need to be replaced, the universality is strong, and the economic burden of users can be greatly reduced.

Drawings

Fig. 1 is a schematic structural view of embodiment 1;

fig. 2 is a schematic structural view of embodiment 2;

FIG. 3 is a schematic structural view of embodiment 3;

fig. 4 is a schematic structural view of embodiment 4;

FIG. 5 is a schematic view of a connection of the auxiliary lenses of the utility model to the original glasses;

FIG. 6 is a schematic view of another attachment of the auxiliary lenses of the utility model to the primary eyewear;

fig. 7 is a schematic view showing another connection mode of the auxiliary lens to the original glasses according to the present utility model.

The figure shows:

100-lens body, 110-first refractive zone, 120-second refractive zone, 130-third refractive zone, 101-micro convex lens.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the present utility model is a progressive multi-point defocus auxiliary lens, comprising a lens body 100, wherein the surface of the lens body 100 has two refractive areas, namely a first refractive area 110 and a second refractive area 120, the first refractive area 110 is located at the center of the lens body 100, the first refractive area 110 is a flat area, that is, it has no refractive correction function, the second refractive area 120 is located at the periphery of the first refractive area 110 and is concentric with the first refractive area 110, and the second refractive area 120 is a multi-point defocus intervention area with refractive power variation, that is, it has the function of focusing an image at a position other than the retina to inhibit the progression of the refractive error of the eye.

Compared with the existing fixed defocus auxiliary lens, the progressive defocus auxiliary lens has the effect of improving the effect of inhibiting the myopia growth of the multi-point defocus lens.

Specifically, the second refractive region 120 is composed of a plurality of micro-convex lenses 101 arranged on the surface of the lens body 100, and the refractive power of the micro-convex lenses 101 gradually and gradually changes from the center near the lens body 100 to the outside. Thus, the effect of object imaging in front of retina becomes stronger gradually, thereby forming bigger and bigger defocus effect and realizing better effect of controlling myopia growth.

Specifically, the refractive expression form of the micro convex lenses 101 may be spherical or cylindrical, and the micro convex lenses 101 are uniformly arranged or continuously arranged at a certain interval. Further, when the micro convex lenses 101 are arranged at intervals, the optical center-to-center distance of two adjacent micro convex lenses 101 on the same circumference is 0.5-2 mm, and the optical center-to-center distance of two inner and outer micro convex lenses 101 on the two adjacent circumferences is 0.5-10 mm. The radii of the micro convex lenses 101 may be the same or different.

Further, when the refractive expression of the micro convex lens 101 is a sphere lens, the refractive power of the micro convex lens 101 increases from the center near the lens body 100 by a value ranging from +0.05d to +0.5d. For example, the diopter of the innermost micro-convex lens 101 is +4.00D, the diopter of the second outer micro-convex lens 101 is +4.25D, the diopter of the third outer micro-convex lens 101 is +4.50D, and so on.

Further, when the refractive expression of the micro convex lens 101 is a cylinder, the refractive power of the micro convex lens 101 increases from the center near the lens body to the outside by a change value between +0.10d to +1.00d. For example, the diopter of the innermost micro-convex lens 101 is +7.50d, the diopter of the second outer micro-convex lens 101 is +7.60deg.d, the diopter of the third outer micro-convex lens 101 is +7.70d, and so on.

In general, when the refractive appearance of the micro-convex lens 101 is a sphere, the refractive power of the micro-convex lens 101 ranges from +1.00d to +7.50d; when the refractive expression of the micro convex lens 101 is a cylinder, the refractive power value of the micro convex lens 101 is changed between +2.00d to +15.00d.

In addition, the surface of the lens body 100 further includes a third refractive region 130, the third refractive region 130 is all the regions except the first refractive region 110 and the second refractive region 120 on the surface of the lens body 100, and the third refractive region 130 is also a flat region.

In practical use, the second refractive region 120 may be designed as an ellipse concentric with the first refractive region 110 (as shown in fig. 1), a polygon concentric with the first refractive region 110 (as shown in fig. 2), and a circle concentric with the first refractive region 110 (as shown in fig. 3 and 4), and a plurality of the micro-convex lenses 101 may be arranged in the second refractive region 120 in a uniformly spaced manner (as shown in fig. 1 and 2), or in a continuously arranged manner (as shown in fig. 3 and 4). The refractive expression of the micro-convex lens 101 may be a sphere (as shown in fig. 1, 2 and 3) or a cylinder (as shown in fig. 4).

The start point of the arrangement of the micro convex lens 101 constituting the second refractive region 120 is arranged toward the edge of the lens body 100 at a position 8 to 15mm from the center of the lens body 100.

Meanwhile, as shown in fig. 5 to 7, the utility model also relates to a pair of glasses with the auxiliary lenses in the technical scheme, the pair of glasses consists of the original wearing glasses and the auxiliary lenses in the utility model, the auxiliary lenses are connected with the original wearing glasses in a magnetic attraction, buckling or hooking mode, and the connection modes of the magnetic attraction, buckling or hooking and the like are all common modes in the prior art and are also visible everywhere in the glasses industry. The auxiliary lens has the function of inhibiting myopia development when being matched with the original wearing glasses, and the specific application is that the connection mode of the auxiliary lens and the original wearing glasses shown in fig. 5, the connection mode of the auxiliary lens and the buckle of the original wearing glasses shown in fig. 6 (the front view of the auxiliary lens mounted on the original wearing glasses shown in fig. 6 is connected through the buckle on the nose bridge of the auxiliary lens and the nose bridge of the original wearing glasses shown in fig. 7) and the connection mode of the auxiliary lens and the hook of the original wearing glasses shown in fig. 6.

It should be noted that, in the above technical scheme, the auxiliary lenses are detachably connected with the original glasses, and the connection modes of the auxiliary lenses and the original glasses include, but are not limited to, the modes of magnetic attraction, fastening or hooking, and the like, so that the auxiliary lenses and the original glasses can be flexibly selected according to actual needs in actual production and processing.

In summary, the utility model is characterized in that:

1. according to the auxiliary lens disclosed by the utility model, the first refraction area 110 is a flat light area, the second refraction area 120 is a multi-point defocus intervention area with diopter change, and the auxiliary lens has the effect of improving the effect of inhibiting myopia growth of the multi-point defocus lens;

2. the auxiliary lens disclosed by the utility model is matched with the single-light glasses worn originally when in use, and the function of correcting the ametropia is realized through the original myopia glasses, so that when the degree of myopia of a person changes, only the single-light glasses are required to be manufactured again, and the cost is greatly reduced;

3. no matter how high the diopter and the astigmatic degree of the myopia of people are, the user can prevent the myopia by directly using the qualified glasses worn originally to be matched with the auxiliary lenses, and the problem that the high myopia and the high astigmatic degree cannot be checked and matched with the defocus glasses to prevent and control the myopia is solved.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a gradual change formula multiple spot defocus auxiliary lens, includes the lens body, its characterized in that, the surface of lens body has first diopter region and second diopter region, first diopter region is located the center department of lens body, first diopter region is the plano-optical zone, and it does not possess the refraction correction function, second diopter region is located first diopter region's periphery, and with first diopter region is concentric, second diopter region is the multiple spot defocus intervention area of diopter change, and it has the function of focusing the image on the position beyond the retina in order to restrain the ametropia development of eye.

2. A progressive multi-point defocus auxiliary lens as claimed in claim 1, wherein the second refractive zone is composed of a plurality of micro-lenses arrayed on the surface of the lens body, the refractive power of the micro-lenses being gradually changed stepwise from near the center of the lens body to the outside.

3. A progressive multi-point defocus auxiliary lens as claimed in claim 2, wherein the refractive appearance of the miniature convex lens is a sphere or cylinder.

4. A progressive multi-point defocus auxiliary lens according to claim 3, wherein when the refractive appearance of the miniature convex lens is a sphere lens, the refractive power of the miniature convex lens increases from near the center of the lens body to the outside by a value ranging from +0.05d to +0.5d.

5. A progressive multi-point defocus auxiliary lens according to claim 3, wherein when the refractive appearance of the miniature convex lens is cylindrical, the refractive power of the miniature convex lens increases from near the center of the lens body to the outside by a value ranging from +0.10d to +1.00d.

6. The progressive multi-point defocus auxiliary lens of claim 4, wherein when the refractive appearance of the miniature convex lens is a sphere lens, the refractive power of the miniature convex lens is between +1.00d and +7.50d.

7. The progressive multi-point defocus auxiliary lens of claim 5, wherein when the refractive appearance of the miniature convex lens is cylindrical, the refractive power of the miniature convex lens is between +2.00d and +15.00d.

8. The progressive multi-point defocus auxiliary lens of claim 2, wherein the second refractive region is circular, elliptical or polygonal concentric with the first refractive region, and a plurality of the micro-lenses are disposed in the second Qu Guangou domain at uniform intervals or in a continuous arrangement.

9. The progressive multi-point defocus auxiliary lens of claim 1, wherein the surface of the lens body further comprises a third refractive zone, the third refractive zone being all but the first refractive zone and the second refractive zone on the surface of the lens body, and the third refractive zone being a piano zone.

10. Glasses characterized by comprising an original glasses and an auxiliary lens according to any one of claims 1-9, wherein the auxiliary lens covers the lenses of the original glasses and is detachably connected with the original glasses.