CN220040898U - Progressive multifocal ophthalmic lens - Google Patents
Progressive multifocal ophthalmic lens Download PDFInfo
- Publication number
- CN220040898U CN220040898U CN202321704693.3U CN202321704693U CN220040898U CN 220040898 U CN220040898 U CN 220040898U CN 202321704693 U CN202321704693 U CN 202321704693U CN 220040898 U CN220040898 U CN 220040898U
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- China
- Prior art keywords
- main body
- lens main
- lens
- fingerprint
- progressive multifocal
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- 230000000750 progressive effect Effects 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000003666 anti-fingerprint Effects 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims description 18
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 5
- 229920002530 polyetherether ketone Polymers 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 201000010041 presbyopia Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Eyeglasses (AREA)
Abstract
The utility model relates to the technical field of spectacle lenses, in particular to a progressive multifocal spectacle lens which comprises a lens main body, wherein an outer end fingerprint-resistant layer is arranged on the top end surface of the lens main body, an inner end fingerprint-resistant layer is arranged on the bottom end surface of the lens main body, and an outer jacket is arranged on the peripheral side wall of the lens main body. The anti-fingerprint performance of the upper end face and the lower end face of the lens main body is improved, the phenomenon that fingerprints are fuzzy on the surface of the lens main body caused by taking and wearing glasses frequently is avoided, the gradual change multi-focus effect of the lens main body when a presbyopic user wears the glasses is further guaranteed, the phenomenon that the outer side thinner part of the lens main body deforms or even breaks due to the fact that the outer side lens thickness of the lens main body is generally thinner and directly bonded to a glasses frame is avoided, the effective bonding area of the lens main body between the outer jacket and the inner wall of the glasses frame is improved, and the phenomenon that the lens main body falls off from the glasses frame due to unstable long-time use of the bonding performance between the outer side wall of the lens main body and the inner wall of the glasses frame is avoided.
Description
Technical Field
The utility model relates to the technical field of spectacle lenses, in particular to a progressive multifocal spectacle lens.
Background
Some young people can get into presbyopia in advance due to excessive use of eyes, and the young people need near work and do not want to expose presbyopic people of own age, so that progressive multifocal ophthalmic lenses need to be prepared.
Because the presbyopic subjects generally place the glasses in the vicinity directly when the glasses are not used normally, and take the glasses to wear when the glasses are needed to be used, the reciprocating operation can cause the hands to touch the lens main body frequently, further the fingerprint blurring occurs on the surface of the lens main body, the gradual multifocal effect of the lens main body is caused when the presbyopic subjects wear the glasses,
in addition, in the prior progressive multifocal ophthalmic lens, in order to achieve the progressive multifocal effect, the thickness of the outer lens of the lens main body is generally thinner, if the lens main body is directly adhered to a lens frame, deformation and even fragmentation can occur at the thinner outer part of the lens main body,
in addition, the adhesiveness between the conventional progressive multifocal ophthalmic lens and the inner wall of the lens frame is unstable, and the lens body is separated from the lens frame after long-term use.
The above problems are widespread and improvements are urgently needed.
Disclosure of Invention
The utility model aims to provide a progressive multifocal spectacle lens, which solves the problems that fingerprints are blurred on the surface of a lens main body when the lens main body is taken and worn frequently in the prior art, the progressive multifocal effect of the lens main body is affected when a presbyopic user wears the glasses, the outer side of the lens main body is generally and directly adhered to a spectacle frame in a thinner thickness, deformation and even fragmentation of the outer side thinner part of the lens main body are caused, and the lens main body can fall off from the spectacle frame due to unstable adhesion between the outer side wall of the lens main body and the inner wall of the spectacle frame for a long time.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gradual change multifocal spectacle lens, includes the lens main part, the top face of lens main part is provided with the resistant finger print layer of outer end, the bottom face of lens main part is provided with the resistant finger print layer of inner, be provided with the oversheath on the peripheral lateral wall of lens main part.
Preferably, the outer end fingerprint-resistant layer and the inner end fingerprint-resistant layer are both oleophobic coating layer structures, have fingerprint resistance, are durable, have high permeability, and do not influence the use of the normal gradual change multifocal effect of lens main part.
Preferably, the middle V-shaped groove is formed in the outer sheath, and the top filling groove and the bottom filling groove are respectively formed in the upper end face and the lower end face of the outer sheath.
Preferably, the outer sheath is of a polyether-ether-ketone frame structure, has excellent mechanical strength and high strength, and the body of the outer sheath is high-temperature resistant, shock-resistant, wear-resistant, flame-retardant, acid-base-resistant, hydrolysis-resistant, fatigue-resistant, irradiation-resistant and ageing-resistant, and has strong adhesion.
Preferably, the middle V-shaped groove is a groove with a circular opening structure and is arranged at the transverse central axis of the outer sheath, so that the bonding effective area between the middle outer side wall surface of the outer sheath and the inner wall of the mirror frame is further enlarged.
Preferably, the top filling groove and the bottom filling groove are fifty open grooves which are circumferentially arranged, so that the upper and lower bonding effective areas between the upper and lower end surfaces of the outer sheath and the inner wall of the mirror frame are further enlarged.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the outer fingerprint-resistant layer and the inner fingerprint-resistant layer are arranged on the lens main body, so that the fingerprint resistance of the upper end surface and the lower end surface of the lens main body is improved, fingerprint blurring on the surface of the lens main body caused by frequent taking and wearing of the glasses is avoided, and further the gradual multifocal effect of the lens main body when a presbyopic wearer wears the glasses is ensured.
2. The outer sheath structure is arranged on the peripheral side wall of the lens main body, so that the deformation and even fragmentation of the thinner outer side part of the lens main body caused by the fact that the outer side lens of the lens main body is generally thinner and directly adhered to the lens frame are avoided.
3. According to the utility model, the middle V-shaped groove is arranged on the outer sheath, and the structures of the top filling groove and the bottom filling groove are circumferentially arranged, so that the effective bonding area between the lens main body and the inner wall of the lens frame through the outer sheath is increased, and the problem that the lens main body falls off from the lens frame due to unstable bonding property between the outer side wall of the lens main body and the inner wall of the lens frame after long-time use is avoided.
Drawings
FIG. 1 is a schematic perspective view of the inner cross-section of a lens body of the present utility model;
FIG. 2 is a schematic perspective view of a lens body according to the present utility model;
FIG. 3 is an enlarged view of the utility model at Y in FIG. 2;
fig. 4 is a schematic front view of the lens body of the present utility model.
In the figure: 1 a lens main body, 2 an outer end fingerprint resistant layer, 3 an inner end fingerprint resistant layer, 4 an outer sheath, 41 a middle V-shaped groove, 5 a top filling groove and 6 a bottom filling groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 4, a progressive multifocal ophthalmic lens in the drawings includes a lens body 1, an outer-end fingerprint-resistant layer 2 is disposed on a top end surface of the lens body 1, an inner-end fingerprint-resistant layer 3 is disposed on a bottom end surface of the lens body 1, an outer sheath 4 is disposed on a peripheral sidewall of the lens body 1, and the lens body 1 is a progressive multifocal ophthalmic lens.
The outer end fingerprint-resistant layer 2 and the inner end fingerprint-resistant layer 3 are both of an oleophobic coating layer structure, and the oleophobic coating layer structure has fingerprint resistance, is durable and high in permeability, and does not influence the use of the normal gradual change multifocal effect of the lens main body 1.
The middle V-shaped groove 41 is formed in the outer sheath 4, the top filling groove 5 and the bottom filling groove 6 are respectively formed in the upper end face and the lower end face of the outer sheath 4, and the effective bonding area of the lens main body 1 between the outer sheath 4 and the inner wall of the lens frame is increased.
The outer sheath 4 is of a polyether-ether-ketone frame-shaped structure, the outer sheath 4 body is of a polyether-ether-ketone frame-shaped structure, the mechanical strength is excellent, the mechanical strength is high, and the outer sheath is high-temperature-resistant, shock-resistant, wear-resistant, flame-retardant, acid-alkali-resistant, hydrolysis-resistant, fatigue-resistant, irradiation-resistant and ageing-resistant, and has strong adhesion.
The inner wall surface of the contact bonding lens main body 1 is sleeved with the outer sheath 4, and the stability of bonding on the lens main body 1 is improved through the special glue.
The middle V-shaped groove 41 is a groove with a circular opening structure and is arranged at the transverse central axis of the outer sheath 4, so that the bonding effective area between the middle outer side wall surface of the outer sheath 4 and the inner wall of the mirror frame is further enlarged.
The top filling groove 5 and the bottom filling groove 6 are fifty open grooves which are circumferentially arranged, and the upper and lower bonding effective area between the upper and lower end surfaces of the outer sheath 4 and the inner wall of the mirror frame is further enlarged.
When used in this embodiment: through set up outer resistant fingerprint layer 2 and the resistant fingerprint layer 3 structure of inner on lens main part 1, improved the resistant fingerprint nature of the upper and lower terminal surface of lens main part 1, avoided often taking glasses to pluck and wear and can cause the lens main part 1 surface to appear the fingerprint fuzzy, and then guaranteed the gradual change multifocal effect of lens main part 1 when presbyopic subject wears glasses.
In addition, the outer sheath 4 body is of a polyether-ether-ketone frame structure, has excellent mechanical strength and high strength, and has the advantages of high temperature resistance, impact resistance, wear resistance, flame retardance, acid and alkali resistance, hydrolysis resistance, fatigue resistance, irradiation resistance and ageing resistance, and strong adhesion, so that the situation that the outer thinner part of the lens body 1 deforms or even breaks due to the fact that the outer lens thickness of the lens body 1 is generally thinner and directly adhered to a frame is avoided.
In addition, when bonding the lens body 1 with the outer sheath 4 on the inner wall of the lens frame, the middle V-shaped groove 41 is filled with special adhesive firstly, each top filling groove 5 and each bottom filling groove are filled with special adhesive, then the lens body 1 with the outer sheath 4 is bonded on the inner wall of the lens frame, the outer sheath 4 body with strong bonding property is combined, the effective bonding area of the lens body 1 between the outer sheath 4 and the inner wall of the lens frame is improved, and the problem that the lens frame falls off due to unstable long-time use of the bonding property between the outer side wall of the lens body 1 and the inner wall of the lens frame is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A progressive multifocal ophthalmic lens, comprising:
the novel anti-fingerprint lens comprises a lens body (1), wherein an outer end fingerprint-resistant layer (2) is arranged on the top end surface of the lens body (1), an inner end fingerprint-resistant layer (3) is arranged on the bottom end surface of the lens body (1), and an outer jacket (4) is arranged on the peripheral side wall of the lens body (1).
2. A progressive multifocal ophthalmic lens according to claim 1, characterized in that: the outer end fingerprint-resistant layer (2) and the inner end fingerprint-resistant layer (3) are both oleophobic coating layer structures.
3. A progressive multifocal ophthalmic lens according to claim 1, characterized in that: the upper end face and the lower end face of the outer sheath (4) are respectively provided with a top filling groove (5) and a bottom filling groove (6).
4. A progressive multifocal ophthalmic lens according to claim 1, characterized in that: the outer sheath (4) is of a polyether-ether-ketone frame structure.
5. A progressive multifocal ophthalmic lens according to claim 3, characterized in that: the middle V-shaped groove (41) is a groove with a circular opening structure and is arranged at the transverse central axis of the outer sheath (4).
6. A progressive multifocal ophthalmic lens according to claim 3, characterized in that: the top filling groove (5) and the bottom filling groove (6) are fifty open grooves which are arranged circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704693.3U CN220040898U (en) | 2023-07-01 | 2023-07-01 | Progressive multifocal ophthalmic lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704693.3U CN220040898U (en) | 2023-07-01 | 2023-07-01 | Progressive multifocal ophthalmic lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040898U true CN220040898U (en) | 2023-11-17 |
Family
ID=88743049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704693.3U Active CN220040898U (en) | 2023-07-01 | 2023-07-01 | Progressive multifocal ophthalmic lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040898U (en) |
-
2023
- 2023-07-01 CN CN202321704693.3U patent/CN220040898U/en active Active
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