CN208384274U - A kind of bifocals piece and the glasses using the spectacle lens - Google Patents
A kind of bifocals piece and the glasses using the spectacle lens Download PDFInfo
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- CN208384274U CN208384274U CN201820698866.8U CN201820698866U CN208384274U CN 208384274 U CN208384274 U CN 208384274U CN 201820698866 U CN201820698866 U CN 201820698866U CN 208384274 U CN208384274 U CN 208384274U
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Abstract
The utility model discloses a kind of bifocals piece and use the glasses of the spectacle lens, a kind of bifocals piece, the area You Yuanyong and the area the Jin Yong region Liang Ge thereon, the area Yuan Yong surrounds the inside in the area Jin Yong, the area in the area Yuan Yong is less than the area in the area Jin Yong, for the optical centre in the area Yuan Yong in the inclined top position of entire spectacle lens, the diopter in the area Yuan Yong is to see that the diopter in the remote area diopter F, Jin Yong is to see remote the sum of diopter F and near addition value ADD.Double light microscopics provided by the utility model can be coped with while not reducing vision attention efficiency super close distance read-write super large adjust stimulation, evaded super large control lag, so avoid include central retina and peripheral retina super large after defocus；It is remote with eye when coping with stationary state substantially, it maintains image to focus in central retina and forms defocus before the super large of peripheral retina；No matter see close or see defocus reduction, the increased effect of preceding defocus after remote all acquisitions, to contain that eye is developed to near-sighted direction.
Description
Technical field
The utility model relates to a kind of bifocals piece and using the glasses of the spectacle lens, belong to optometric technology field.
Background technique
Children and adolescents myopia has been serious social concern, and myopia is not only refractive problem, and high myopia is likely to
It is seriously damaged with retinopathy etc..There are many prevention at present, the various instruments of control myopia, method, but can be effective
Near-sighted instrument, method are controlled than relatively limited.The prior art is mainly to cut down the defocus factor for causing myopia, such as cornea moulding
Mirror, virtue can the products such as youngster's glasses.Ortho-K can cut down periphery defocus, but its hardness is larger, when with Corneal Contact
Strong foreign body sensation is had, causes part user that can not endure, but also there are the risks of corneal infection.Virtue can youngster's glasses
There are the problem of mainly have: it is insufficient that it designs the defocusing amount that can cut down, when use still can remain it is biggish after defocus.
The prior art has a kind of bifocals piece, including the double light of dome, the double light two types of flat-top, is by spectacle lens point
For upper and lower two regions, upper area is the area Yuan Yong, the lower part area inclined infranasal area Yu Weijinyong.Each region corresponds to different dioptrics
Degree, human eye see it is different apart from when need to use the region of corresponding diopter, but with the reduction of distance, adjust load and exceed people
The adjusting of body itself eyes is compensatory bigger, causes control lag increasing.Therefore, this bifocals piece of the prior art exists
When super close distance is read and write, it may appear that adjust reaction wretched insufficiency, cause to occur very big control lag and and the super large deposited after from
Coke is unfavorable for the developmental character adjustment of eyes.
Summary of the invention
The purpose of this utility model is to provide a kind of bifocals pieces, are adjusted with super large when coping with super close distance read-write
Demand, avoid the occurrence of super large control lag caused by adjusting reaction wretched insufficiency and and the super large deposited after defocus the technical issues of.
Meanwhile the utility model also provides a kind of glasses using the bifocals piece.
The bifocals piece of the utility model adopts the following technical scheme that a kind of bifocals piece, thereon the area You Yuanyong and
The area the Jin Yong region Liang Ge, the area Yuan Yong surround the inside in the area Jin Yong, and the area in the area Yuan Yong is less than the area in the area Jin Yong, described
For the optical centre in the area Yuan Yong in the inclined top position of entire spectacle lens, the diopter in the area Yuan Yong is to see remote diopter F, institute
The diopter in the area Shu Jinyong is to see remote the sum of diopter F and near addition value ADD.
The area Yuan Yong optical centre is located at the 2/5 ~ 1/2 of the entire area Yuan Yong vertical height, in the area Jin Yong optics
The heart is located at the area Yuan Yong lower edge at 1/2 ~ 3/5 and 1 ~ 10mm of nasal side partially of the area Jin Yong lower edge vertical height.
The shape in the area Yuan Yong is round or ellipse.
The area Yuan Yong is arch or oblong bow, and the arc-shaped side in the area Yuan Yong is towards the top of eyeglass, the straight line in the area Yuan Yong
Shape side is located at the lower part of arc-shaped side.
The one third of the area Zhan Jinyong of the area Yuan Yong short transverse, the area Yuan Yong are located at closely in sector width direction
Portion, the width in the area Yuan Yong account for the nearly one third for using sector width.
The glasses using bifocals piece of the utility model adopt the following technical scheme that a kind of using bifocals piece
Glasses, including spectacle-frame and spectacle lens, the area the spectacle lens Shang Youyuanyong and the area the Jin Yong region Liang Ge, the area Yuan Yong surround
The inside in the area Jin Yong, the area in the area Yuan Yong are less than the area in the area Jin Yong, and the optical centre in the area Yuan Yong is in entire spectacle lens
Inclined top position, the diopter in the area Yuan Yong are to see remote diopter F, and the diopter in the area Jin Yong is to see remote diopter
The sum of F and near addition value ADD.
The area Yuan Yong optical centre is located at the 2/5 ~ 1/2 of the entire area Yuan Yong vertical height.
The shape in the area Yuan Yong is round or ellipse.
The area Yuan Yong is arch or oblong bow, and the arc-shaped side in the area Yuan Yong is towards the top of eyeglass, the straight line in the area Yuan Yong
Shape side is located at the lower part of arc-shaped side.
The one third of the area Zhan Jinyong of the area Yuan Yong short transverse, the area Yuan Yong are located at closely in sector width direction
Portion, the width in the area Yuan Yong account for the nearly one third for using sector width.
The beneficial effects of the utility model are: seeing remote optics area (area Ji Yuanyong) quilt above the utility model spectacle lens
See that close optics area (area Ji Jinyong) wraps.In the utility model, the diopter has this field conventional sense, such as often
That says sees that remote correction degree is -300 degree, then F=- 3.00D.For see remote diopter F value, see close diopter N value and
The understanding of ADD value, is illustrated below: if seeing remote diopter F=-3.00D, see close diopter N=+ 3.00D, ADD=+
6.00D.Double light microscopics provided by the utility model can cope with super close distance reading while not reducing vision attention efficiency
The super large write adjusts stimulation, has thus evaded super large control lag, and then avoid including central retina and peripheral retina
Defocus after super large；It is remote with eye when coping with stationary state substantially, maintain image to focus and formed in central retina
Defocus before the super large of peripheral retina；No matter see close or sees defocus reduction, the increased effect of preceding defocus after remote all acquisitions, thus
Contain that eye is developed to myopiaization direction, or even driving eye is developed to long sight direction, is finally reached prevention, control even treatment youngster
The effect of virgin adolescent myopia.It is very suitable to the children and youth for needing to prevent, control and treatment are near-sighted.Not to Ortho-K
The crowd matched can be tested to be equally applicable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model bifocals piece embodiment；
Fig. 2 is structural schematic diagram of the utility model using the embodiment of the glasses of bifocals piece.
In figure, 1- spectacle lens, 2- spectacle-frame, the area 11- Yuan Yong, the area 12- Jin Yong.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
The structure of the embodiment of the utility model bifocals piece as shown in Figure 1, the present embodiment bifocals piece, thereon
The area You Yuanyong 11 and 12 two, the area Jin Yong region, the area Yuan Yong 11 surround the inside in the area Jin Yong 12, the area in the area Yuan Yong 11
Less than the area in the area Jin Yong 12, the optical centre in the area Yuan Yong 11 is in the inclined top position of entire spectacle lens, the area Yuan Yong
11 diopter is to see remote diopter F, the diopter in the area Jin Yong 12 be see remote diopter F and near addition value ADD it
With.The shape in the area the present embodiment Zhong Yuanyong 11 is ellipse, and it is vertical that the area Yuan Yong (11) optical centre is located at the entire area Yuan Yong
At the 2/5 ~ 1/2 of height, the area Jin Yong (12) optical centre is located at the area Yuan Yong lower edge to the 1/2 of the area Jin Yong lower edge vertical height
At ~ 3/5 and 1 ~ 10mm of nasal side partially.The area Yuan Yong 11 is arch or oblong bow, and the arc-shaped side in the area Yuan Yong 11 is towards eyeglass
Top, the linear side in the area Yuan Yong 11 are located at the lower part of arc-shaped side.Three points of 11 area Zhan Jinyong of the area Yuan Yong, 12 short transverse
One of, the area Yuan Yong 11 is located at the middle part of 12 width direction of the area Jin Yong, 12 width of the area width Zhan Jinyong in the area Yuan Yong 11
One third.
The utility model using bifocals piece glasses embodiment structure as shown in Fig. 2, the present embodiment glasses
Including spectacle-frame 2 and spectacle lens 1, the area spectacle lens Shang Youyuanyong 11 and 12 two, the area Jin Yong region, the area Yuan Yong 11 surround
The inside in the area Jin Yong 12, the area in the area Yuan Yong 11 are less than the area in the area Jin Yong 12, and the optical centre in the area Yuan Yong 11 is entire
The inclined top position of spectacle lens, the diopter in the area Yuan Yong 11 are to see that remote diopter F, the diopter in the area Jin Yong 12 are
See remote the sum of diopter F and near addition value ADD.The shape in the area the present embodiment Zhong Yuanyong 11 is ellipse, the area Yuan Yong 11
Optical centre is located at the 2/5 ~ 1/2 of the entire area Yuan Yong vertical height, and 12 optical centre of the area Jin Yong is located at the area Yuan Yong lower edge
To at 1/2 ~ 3/5 and 1 ~ 10mm of nasal side partially of the area Jin Yong lower edge vertical height.The area Yuan Yong 11 be arch or oblong bow,
For the arc-shaped side in the area Yuan Yong 11 towards the top of eyeglass, the linear side in the area Yuan Yong 11 is located at the lower part of arc-shaped side.The area Yuan Yong
The one third of 11 area Zhan Jinyong, 12 short transverse, the area Yuan Yong 11 is located at the middle part of 12 width direction of the area Jin Yong, described remote
With the one third of 12 width of the area width Zhan Jinyong in area 11.
The comparison of one specific application example of the utility model and the prior art:
For 8 years old user, the daily short distance sighting target mainly seen within 10cm~33cm.Routinely children are green
Juvenile optometry method is to test double light prescriptions with control myopia: -3.50DS --- 1.0 ADD+1.50D.Wherein, the meaning of DS
It is concave-sphere, -3.50D, which refers to, sees that remote degree is 350 degree, and 1.0 refer to that this rectifys the eyesight that amount obtains, and near addition value ADD is+1
.50D.Because ADD is small, defocusing amount is big after retina is remaining when super close distance is read and write, it is not easy to control myopia.
When user wears such double light microscopics: seeing identical as monochromatic light mirror at a distance；The tune using 1.50D is needed when seeing 33cm
Section, completely can be all compensatory by the adjusting of itself eye, and avoids control lag；It needs when seeing 20cm using 3.50D's
It adjusts, a small amount of control lag can may be remained by compensatory a part of adjusting of itself eye；Needed when seeing 15cm using
The adjusting of 5.17D can remain biggish control lag by compensatory a part of adjusting of itself eye；It is needed when seeing 10cm
The adjusting that use 8.50D, removes compensatory a part of adjusting of itself eye, can remain the control lag of super large.
If testing the bifocals piece with the utility model are as follows: the adjusting stimulation of 10cm is 10D, then bifocals piece
The diopter in the area Jin Yong be then+6.50D, prescription are as follows: -3.50DS --- 1 .0 ADD+10 .00D.Pair of the utility model
In optical glasses piece, the area Yuan Yong is the inside for surrounding the area Jin Yong, and super large when can be very good reply super close distance read-write is adjusted
Demand, avoid the occurrence of super large control lag caused by adjusting reaction wretched insufficiency and and the super large deposited after defocus, with ensure even if
In the state that super close distance persistently uses eye, defocus after control lag and peripheral retina will not occur and promote eye to myopia
The adjustment of direction genesis and development.
Above-described embodiment is the utility model preferred embodiment, in the utility model others embodiment, the area Yuan Yong
It can also be other arbitrary shapes such as circle, ellipse, arch, oblong bow, specifically can flexibly select according to actual needs
With.When the area Yuan Yong is arch or oblong bow, the arc-shaped side in the area Yuan Yong is towards the top of eyeglass, the linear side position in the area Yuan Yong
In the lower part of arc-shaped side.
The basic principles and main features and advantage of the utility model have been shown and described above.The ordinary skill of this field
Personnel are not it should be appreciated that above-described embodiment limits the protection scope of the utility model, all use equivalent replacements etc. in any form
Mode technical solution obtained, falls in the protection scope of the utility model.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (10)
1. a kind of bifocals piece, the area You Yuanyong (11) and (12) two, the area Jin Yong region thereon, it is characterised in that: the remote use
Area (11) surrounds the inside of the area Jin Yong (12), and the area of the area Yuan Yong (11) is less than the area of the area Jin Yong (12), the area Yuan Yong
(11) optical centre is to see remote diopter F in the inclined top position of entire spectacle lens, the diopter of the area Yuan Yong (11),
The diopter of the area Jin Yong (12) is to see remote the sum of diopter F and near addition value ADD.
2. bifocals piece according to claim 1, it is characterised in that: the area Yuan Yong (11) optical centre is located at entire
At the 2/5 ~ 1/2 of the area Yuan Yong vertical height, the area Jin Yong (12) optical centre is located at marginal lappet under the area Yuan Yong lower edge to the area Jin Yong
At 1/2 ~ 3/5 and 1 ~ 10mm of nasal side partially of straight height.
3. bifocals piece according to claim 1, it is characterised in that: the shape of the area Yuan Yong (11) is round or ellipse
It is round.
4. bifocals piece according to claim 1, it is characterised in that: the area Yuan Yong (11) is arch or oval bow
Shape, for the arc-shaped side of the area Yuan Yong (11) towards the top of eyeglass, the linear side of the area Yuan Yong (11) is located at the lower part of arc-shaped side.
5. bifocals piece according to claim 1 or 2 or 3 or 4, it is characterised in that: the area Yuan Yong (11) accounts for nearly use
The one third of area (12) short transverse, the area Yuan Yong (11) are located at the middle part of the area Jin Yong (12) width direction, the remote use
The one third of the area width Zhan Jinyong (12) width in area (11).
6. a kind of glasses using bifocals piece, including spectacle-frame (2) and spectacle lens (1), there is remote use on the spectacle lens (1)
Area (11) and (12) two, the area Jin Yong region, it is characterised in that: the area Yuan Yong (11) surrounds the inside of the area Jin Yong (12), far
It is less than the area of the area Jin Yong (12) with the area of area (11), the optical centre of the area Yuan Yong (11) is in the on the upper side of entire spectacle lens
Orientation is set, and the diopter of the area Yuan Yong (11) is to see remote diopter F, and the diopter of the area Jin Yong (12) is to see remote bend
The sum of luminosity F and near addition value ADD.
7. the glasses according to claim 6 using bifocals piece, it is characterised in that: in the area Yuan Yong (11) optics
The heart is located at the 2/5 ~ 1/2 of the entire area Yuan Yong vertical height.
8. the glasses according to claim 6 using bifocals piece, it is characterised in that: the shape of the area Yuan Yong (11)
It is round or ellipse.
9. the glasses according to claim 6 using bifocals piece, it is characterised in that: the area Yuan Yong (11) is arch
Or oblong bow, for the arc-shaped side of the area Yuan Yong (11) towards the top of eyeglass, the linear side of the area Yuan Yong (11) is located at arc-shaped side
Lower part.
10. using the glasses of bifocals piece described according to claim 6 or 7 or 8, it is characterised in that: the area Yuan Yong
(11) one third of the area Zhan Jinyong (12) short transverse, the area Yuan Yong (11) are located in the area Jin Yong (12) width direction
Portion, the one third of the area width Zhan Jinyong (12) width of the area Yuan Yong (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698866.8U CN208384274U (en) | 2018-05-11 | 2018-05-11 | A kind of bifocals piece and the glasses using the spectacle lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698866.8U CN208384274U (en) | 2018-05-11 | 2018-05-11 | A kind of bifocals piece and the glasses using the spectacle lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384274U true CN208384274U (en) | 2019-01-15 |
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ID=64970429
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698866.8U Active CN208384274U (en) | 2018-05-11 | 2018-05-11 | A kind of bifocals piece and the glasses using the spectacle lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384274U (en) |
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2018
- 2018-05-11 CN CN201820698866.8U patent/CN208384274U/en active Active
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