CN110082932A - Trifocal - Google Patents
Trifocal Download PDFInfo
- Publication number
- CN110082932A CN110082932A CN201910300362.5A CN201910300362A CN110082932A CN 110082932 A CN110082932 A CN 110082932A CN 201910300362 A CN201910300362 A CN 201910300362A CN 110082932 A CN110082932 A CN 110082932A
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- vision area
- vision
- eyeglass
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- 230000004438 eyesight Effects 0.000 claims abstract description 222
- 239000000571 coke Substances 0.000 claims 1
- 208000001491 myopia Diseases 0.000 abstract description 7
- 230000004379 myopia Effects 0.000 abstract description 6
- 238000001228 spectrum Methods 0.000 abstract description 2
- 210000000695 crystalline len Anatomy 0.000 description 18
- 239000011521 glass Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000001886 ciliary effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000008828 contractile function Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000004118 muscle contraction Effects 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Abstract
The present invention discloses a kind of trifocal, it includes eyeglass, eyeglass include the distant vision zone with the first focus arranged from top to bottom, in the second focus away from vision area and have trifocal low coverage vision area, the optic portion of distant vision zone is concavees lens, in the optic portion away from vision area be concavees lens, the optic portion of low coverage vision area is concavees lens or convex lens.Be provided in the technical solution, on eyeglass distant vision zone, in away from vision area and low coverage vision area, solution see closely sees it is remote needed for degree different problems, thus effectively control myopia degree development.Distant vision zone, in arrange from top to bottom away from vision area and low coverage vision area, meet and practical be accustomed to eye；When looking at the blackboard or projecting, use habit is to hope upwards, therefore distant vision zone is disposed over；Electronic product or qin time spectrum are being used, use habit is to face object, therefore be arranged away from vision area at middle part by；When using reading and writing, use habit is to look down, therefore low coverage vision area is arranged below.
Description
Technical field
The present invention relates to optometric technology field more particularly to a kind of trifocals.
Background technique
When teenager closely reads and writes, intraocular muscular tone, ciliary muscle contraction, crystalline lens is to front projection, while right and left eyes
Ball watches books attentively to centre set rotation, and this collective phenomenon forces axis oculi to elongate, and corneal curvature increases, and target is closer, eye
It is also bigger to adjust difficulty, if things go on like this, dysfunction and metabolic disturbance will be caused, makes that intraocularly there is synthesis nutrient absorption function
The HA Cells Depletion of energy, the function of absorbing nutrition synthesis reduce, and ciliary muscle gradually decreases contractile function, occurs convulsion when looking in the distance
Contraction makes to influence to fall in low coverage away from formation myopia before vision area retina.
Glasses are a kind of effective ways corrected defects of vision.It is well known that glasses are how close away from being to have single focus away from vision area
Glasses, be mainly used for the correction of eyesight, that is, physical therapy work is not had away from vision area glasses according to the low coverage of prescription configuration
With the effect with treatment.Trifocal existing for market is mostly the trifocal that successively decreases of annular, or with optometry degree
The concavees lens matched and the concavees lens for being disposed thereon lower two sides combine the trifocal to be formed, and this glasses do not meet near-sighted people
The use habit of group.
Therefore, it is necessary to provide the new trifocal of one kind to solve above-mentioned technical problem.
Summary of the invention
The main object of the present invention is to provide a kind of trifocal, it is intended to solve existing spectacles and be unable to prevention and control user
The problem of myopia degree is deepened.
To achieve the above object, trifocal proposed by the present invention comprising eyeglass, the eyeglass include from top to bottom
The distant vision zone with the first focus of arrangement, with away from vision area and there is the trifocal low coverage to regard in the second focus
Area, the optic portion of the distant vision zone are concavees lens, it is described in the optic portion away from vision area be concavees lens, the low coverage vision area
Optic portion be concavees lens or convex lens.
Preferably, the eyeglass degree away from vision area is lower than the eyeglass degree of the distant vision zone, the low coverage vision area in described
Eyeglass degree lower than the eyeglass degree away from vision area in described.
Preferably, the distant vision zone eyeglass degree be X, it is described in the eyeglass degree away from vision area be Y, the low coverage vision area
Eyeglass degree be Z, it is described in eyeglass degree away from vision area and the distant vision zone eyeglass degree meet following relationship: Y=X/2
+0.5；The eyeglass degree of the low coverage vision area and the distant vision zone eyeglass degree meet following relationship: Z=X/2+2.
Preferably, the distant vision zone eyeglass degree is the optometry degree corrected defects of vision when being 1.0 to 1.5 at 5m.
Preferably, the two sides away from vision area are provided with left view area and right vision area, the left view area and the right vision area in described
Eyeglass degree be 0D.
Preferably, the left view area and the right vision area are symmetrical arranged, the symmetry axis in the left view area and the right vision area
For the meridian of the eyeglass.
Preferably, the top edge in the left view area and the edge of the distant vision zone are circumscribed, the lower edge in the left view area
Circumscribed with the edge of the low coverage vision area, the top edge of the right vision area and the edge of the distant vision zone are circumscribed, the right view
The lower edge in area and the edge of the low coverage vision area are circumscribed.
Preferably, the distant vision zone, in away from the adjacent view of any two in vision area, low coverage vision area, left view area, right vision area
It is seamlessly transitted between area.
Preferably, first focus, second focus and the third focus are on same vertical plane.
Preferably, the eyeglass range of degrees of the distant vision zone is -2.00D to -15.00D.
In technical solution of the present invention, trifocal includes eyeglass, the eyeglass include arrange from top to bottom have the
The distant vision zone of one focus, with away from vision area and there is trifocal low coverage vision area in the second focus, long distance view
The optic portion in area is concavees lens, it is described in the optic portion away from vision area be concavees lens, the optic portion of the low coverage vision area is
Concavees lens or convex lens.Be provided on the eyeglass of glasses distant vision zone, in away from vision area and low coverage vision area, solve eyes see closely sees it is remote
Required degree different problems, thus effectively control myopia degree development.Distant vision zone, in away from vision area and low coverage vision area in mirror
On piece is arranged from top to bottom, is met the practical of user and is accustomed to eye；For example, when looking at the blackboard or projecting, use habit is
It hopes upwards, therefore distant vision zone is disposed over；Electronic product or qin time spectrum are being used, use habit is to face object, because
This is arranged away from vision area at middle part by；When using reading and writing, use habit is to look down, therefore the setting of low coverage vision area is existed
Lower section.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic diagram of trifocal in the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Distant vision zone | 2 | In away from vision area |
| 3 | Low coverage vision area | 4 | Left view area |
| 5 | Right vision area | 6 | Meridian |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
As shown in Figure 1, trifocal includes eyeglass in a specific implementation of the invention, eyeglass includes from top to bottom
The distant vision zone 1 with the first focus of arrangement, with away from vision area 2 and there is the trifocal low coverage to regard in the second focus
Area 3, the optic portion of distant vision zone 1 are concavees lens, in the optic portion away from vision area 2 be concavees lens, the eyeglass portion of low coverage vision area 3
It is divided into concavees lens or convex lens.In the technical solution, be provided on the eyeglass of glasses distant vision zone 1, in regarded away from vision area 2 and low coverage
Area 3 solves degree different problems needed for eyes see close see far, and thus effectively control myopia degree develops.Distant vision zone 1,
In arrange from top to bottom on eyeglass away from vision area 2 and low coverage vision area 3, meet the practical of user and be accustomed to eye；For example, it is seeing
When blackboard or projection, use habit is to hope upwards, therefore distant vision zone 1 is disposed over；It is composed using electronic product or qin
When, use habit is to face object, therefore be arranged away from vision area 2 at middle part by；When using reading and writing, use habit be to
Under see, therefore low coverage vision area 3 is arranged below.I.e. remote use at the moment uses distant vision zone 1；Middle distance is used at the moment
In away from vision area 2；When close eye, low coverage vision area 3 is used.The use of three different vision areas, meets the different object of viewing distance
Different power prescriptions and it is accustomed to eye when body.
Wherein, the eyeglass degree in away from vision area 2 is lower than the eyeglass degree of distant vision zone 1, and the eyeglass degree of low coverage vision area 3 is low
Away from the eyeglass degree of vision area 2 in.Due to eyes see closely see it is remote needed for degree it is different, distant vision zone 1, in away from vision area 2 and close
Eyeglass degree away from vision area 3 needs to be arranged to different；When again because of distant surveillance object, required correction diopter highest,
Correction diopter needed for middle distance observation object takes second place, and correction diopter needed for close-ups object is minimum, so long distance regards
Area 1, in the eyeglass degree away from vision area 2 and low coverage vision area 3 successively reduce.
Specifically, 1 eyeglass degree of distant vision zone be X, in the eyeglass degree away from vision area 2 be Y, the eyeglass degree of low coverage vision area 3
Number is Z, in eyeglass degree away from vision area 2 and 1 eyeglass degree of distant vision zone meet following relationship: Y=X/2+0.5；Low coverage vision area 3
Eyeglass degree and 1 eyeglass degree of distant vision zone meet following relationship: Z=X/2+2.When distant vision zone 1 eyeglass degree be-
When 2.00D, in the eyeglass degree away from vision area 2 be -0.50D, the eyeglass degree+1.00D of low coverage vision area 3, the eyeglass of distant vision zone 1
Degree every increase -0.50D on the basis of -2.00D, then in the eyeglass degree away from vision area 2 increase on the basis of -0.50D -
0.25D, the eyeglass degree of low coverage vision area 3 increase -0.25D on the basis of+1.00D.For example, the eyeglass of distant vision zone 1
Degree increases to-2.50D by-2.00D, in the eyeglass degree away from vision area 2-0.75D increased to by-0.50D, low coverage vision area 3
Eyeglass degree increases to+0.75D by+1.00D；When the eyeglass degree of distant vision zone 1 becomes -4.00D, low coverage vision area 3 at this time
Optic portion is goggles, and when the eyeglass degree of distant vision zone 1 is higher than -4.00D, the optic portion of low coverage vision area 3 is recessed at this time
Lens.It is above-mentioned for distant vision zone 1, in the eyeglass degree away from vision area 2 and low coverage vision area 3 specific method of determination, make eyeglass
Degree changing rule, convenient for the production and processing of eyeglass.In other embodiments, distant vision zone 1, in away from vision area 2 and low coverage
The eyeglass degree of vision area 3 can also according to different distance practical optometry degree determine, it is ensured that distant vision zone 1, in away from vision area 2
And the eyeglass degree of low coverage vision area 3 is adapted to practical optometry degree.
Wherein, 1 eyeglass degree of distant vision zone can be the optometry degree corrected defects of vision when being 1.0 to 1.5 at 5m.That is long distance
The eyeglass degree of vision area 1 and eyesight optometry degree cooperate, and guarantee the realization of this basic function of glasses auxiliary adjustment, in away from vision area
2 calculate with the eyeglass degree of low coverage vision area 3 according to formula, meet different distance to the different demands of lens refractive power.Long distance view
The eyeglass range of degrees in area 1 is -2.00D to -15.00D.I.e. the myopia degree of user is in -2.00D to this model of -15.00D
When enclosing interior, the trifocal that can be provided through the invention deepens degree to carry out effective prevention and control.The eyeglass of distant vision zone 1
Range of degrees is preferably -2.00D to -6.00D, and in the range of degrees, trifocal has better regulating effect.
To guarantee better observing effect, the first focus, the second focus and third focus are on same vertical plane.Its
In, the position of the second focus is high according to the pupil of user when optometry and monocular interpupillary distance determines.In other examples, it can also incite somebody to action
Second focus is set to the center of eyeglass, and the position and trifocal position of the first focus are according to the position of the second focus
Application is arranged.
In addition, left view area 4 and right vision area 5, the mirror in left view area 4 and right vision area 5 can also be arranged in the two sides away from vision area 2 in
Piece degree is 0D.Left view area 4 and right vision area 5 are non-field of regard, non-field of regard are arranged at left and right sides of eyeglass Shangdi, so working as
When eyes see the left side or the right object by left view area 4 or right vision area 5, due to the eyeglass degree in left view area 4 and right vision area 5
It is 0D, the visual field of user can obscure, and user needs to turn round on head could be it is clear that make user pass through distant vision zone
1 or in go to see the left side or the right object away from vision area 2 or low coverage vision area 3, avoid in this way when user sees to both sides by
Prism effect caused by lens radian gives user's bring visual fatigue drawback.
If left view area 4 and the asymmetric setting of right vision area 5, when user is inevitably seen by left view area 4 or right vision area 5
When to object, can make left eye pass through in see away from vision area 2 to object, form the clearly visual field, and right eye by left view area 4 see to
Object forms the fuzzy visual field, influences the formation of user's field of view.In order to avoid such situation, in the above-described embodiments,
Left view area 4 and right vision area 5 are symmetrical arranged, the symmetry axis of left view area 4 and right vision area 5 is the meridian 6 of eyeglass.That is left view area 4
It is symmetrical arranged on eyeglass about meridian 6 with right vision area 5, meanwhile, distant vision zone 1 is preferably itself with the meridian 6 of eyeglass
For symmetry axis be symmetrical arranged, low coverage vision area 3 preferably itself with the meridian 6 of eyeglass be symmetry axis be symmetrical arranged to form long distance
From use distant vision zone 1, it is middle with a distance from use in away from the vision area 2 and closely low coverage vision area 3 that uses, guarantee user to
Effective angle when left and right directions is seen is consistent.
Wherein, distant vision zone 1, in away from the adjacent view of any two in vision area 2, low coverage vision area 3, left view area 4, right vision area 5
It is seamlessly transitted between area, the intersection for being achieved in any two neighbouring viewing zones does not splice trace or forms protrusion or recessed
It falls into, while guaranteeing specious, avoids the junction of adjacent two vision area due to splicing trace or form raised or sunken draw
The light distortion problem risen, influences wear comfort and is ultimately imaged effect.The eyeglass can select injection molding to form one
The complete eyeglass of block, or processed by one piece of complete blank eyeglass by subtracting material and form different diopters, or in mirror
The different eyeglass of three lumpiness numbers is added on the eyeglass that piece degree is 0D, and three pieces of eyeglasses are combined.
In a preferred embodiment, the top edge in left view area 4 and the edge of distant vision zone 1 are circumscribed, the lower edge in left view area 4
Circumscribed with the edge of low coverage vision area 3, the top edge of right vision area 5 and the edge of distant vision zone 1 are circumscribed, the lower edge of right vision area 5 with
The edge of low coverage vision area 3 is circumscribed.The edge in left view area 4 is circumscribed with the edge at the edge of distant vision zone 1 and low coverage vision area 3 respectively,
The edge of right vision area 5 is circumscribed with the edge at the edge of distant vision zone 1 and low coverage vision area 3 respectively, and the point of contact of circumscribed formation is in eyeglass
Edge on, using point of contact as separation, the lower edge of distant vision zone 1, the top edge of low coverage vision area 3, left view area 4 right hand edge with
And the left edge of right vision area 5 collectively form in the edge away from vision area 2, thus make distant vision zone 1, in away from vision area 2 and low coverage vision area 3
Effective area maximize, while distant vision zone 1 and in away between vision area 2 and low coverage vision area 3 and middle sighting distance area 2, there are bright
Aobvious line of demarcation.In other examples, can also by the way that transition region is arranged between two vision areas of arbitrary neighborhood so that
The surface of eyeglass obtained from a vision area to another vision area transition more naturally, but transition region presence have compressed distant vision zone 1,
In the effective area away from vision area 2 and low coverage vision area 3, when being transferred to another vision area from a vision area, can exist one it is fuzzy
Line of demarcation, bring discomfort to user in actual use.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of trifocal, which is characterized in that including eyeglass, the eyeglass includes being arranged from top to bottom with the first coke
Point distant vision zone, in the second focus away from vision area and have trifocal low coverage vision area, the distant vision zone
Optic portion is concavees lens, it is described in the optic portion away from vision area be concavees lens, the optic portion of the low coverage vision area is recessed
Mirror or convex lens.
2. trifocal as described in claim 1, which is characterized in that the eyeglass degree in described away from vision area is remote lower than described
The eyeglass degree of eyeglass degree away from vision area, the low coverage vision area is lower than the eyeglass degree away from vision area in described.
3. trifocal as described in claim 1, which is characterized in that the distant vision zone eyeglass degree be X, it is described in away from
The eyeglass degree of vision area is Y, and the eyeglass degree of the low coverage vision area is Z, it is described in eyeglass degree away from vision area and the long distance
Vision area eyeglass degree meets following relationship: Y=X/2+0.5；The eyeglass degree of the low coverage vision area and the distant vision zone eyeglass
Degree meets following relationship: Z=X/2+2.
4. trifocal as claimed in claim 3, which is characterized in that the eyeglass degree of the distant vision zone is to correct at 5m
Optometry degree when eyesight is 1.0 to 1.5.
5. trifocal as described in claim 1, which is characterized in that the two sides in described away from vision area be provided with left view area and
The eyeglass degree of right vision area, the left view area and the right vision area is 0D.
6. trifocal as claimed in claim 5, which is characterized in that the left view area and the right vision area are symmetrical arranged,
The symmetry axis of the left view area and the right vision area is the meridian of the eyeglass.
7. trifocal as claimed in claim 5, which is characterized in that the top edge in the left view area and the distant vision zone
Edge it is circumscribed, the lower edge in the left view area and the edge of the low coverage vision area are circumscribed, the top edge of the right vision area and institute
The edge for stating distant vision zone is circumscribed, and the lower edge of the right vision area and the edge of the low coverage vision area are circumscribed.
8. trifocal as claimed in claim 5, which is characterized in that the distant vision zone, it is described in away from vision area, described close
Away from being seamlessly transitted between any two neighbouring viewing zones in vision area, the left view area, the right vision area.
9. such as trifocal of any of claims 1-8, which is characterized in that first focus, described second
Focus and the third focus are on same vertical plane.
10. such as trifocal of any of claims 1-8, which is characterized in that the eyeglass degree of the distant vision zone
Number range is -2.00D to -15.00D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300362.5A CN110082932A (en) | 2019-04-15 | 2019-04-15 | Trifocal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300362.5A CN110082932A (en) | 2019-04-15 | 2019-04-15 | Trifocal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110082932A true CN110082932A (en) | 2019-08-02 |
Family
ID=67415043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910300362.5A Pending CN110082932A (en) | 2019-04-15 | 2019-04-15 | Trifocal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110082932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023083073A1 (en) * | 2021-11-09 | 2023-05-19 | 阿尔玻科技有限公司 | Spectacle lens having defocusing function and preparation method therefor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202149983U (en) * | 2011-05-17 | 2012-02-22 | 孟宪圣 | Progressive multi-focus glasses |
| CN103293708A (en) * | 2013-04-26 | 2013-09-11 | 中山市目明视光视力科技有限公司 | Glasses |
| CN203849514U (en) * | 2014-05-26 | 2014-09-24 | 段亚东 | Peripheral defocus spectacle lens with wide view field |
| TWM558916U (en) * | 2017-12-28 | 2018-04-21 | Gold Rice Optical Co Ltd | Single-piece glasses having adjustable lens angle depending on focus of the lens |
| CN208110183U (en) * | 2018-04-25 | 2018-11-16 | 丹阳佰易视光学眼镜有限公司 | A kind of teenager's pre-control Zoom glasses |
| CN209674125U (en) * | 2019-04-15 | 2019-11-22 | 深圳市明瞳视光科技有限公司 | Trifocal |
-
2019
- 2019-04-15 CN CN201910300362.5A patent/CN110082932A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202149983U (en) * | 2011-05-17 | 2012-02-22 | 孟宪圣 | Progressive multi-focus glasses |
| CN103293708A (en) * | 2013-04-26 | 2013-09-11 | 中山市目明视光视力科技有限公司 | Glasses |
| CN203849514U (en) * | 2014-05-26 | 2014-09-24 | 段亚东 | Peripheral defocus spectacle lens with wide view field |
| TWM558916U (en) * | 2017-12-28 | 2018-04-21 | Gold Rice Optical Co Ltd | Single-piece glasses having adjustable lens angle depending on focus of the lens |
| CN208110183U (en) * | 2018-04-25 | 2018-11-16 | 丹阳佰易视光学眼镜有限公司 | A kind of teenager's pre-control Zoom glasses |
| CN209674125U (en) * | 2019-04-15 | 2019-11-22 | 深圳市明瞳视光科技有限公司 | Trifocal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023083073A1 (en) * | 2021-11-09 | 2023-05-19 | 阿尔玻科技有限公司 | Spectacle lens having defocusing function and preparation method therefor |
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