CN102749723A - Blind zone optimized progressive eye lens and mold thereof - Google Patents
Blind zone optimized progressive eye lens and mold thereof Download PDFInfo
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- CN102749723A CN102749723A CN2012102608525A CN201210260852A CN102749723A CN 102749723 A CN102749723 A CN 102749723A CN 2012102608525 A CN2012102608525 A CN 2012102608525A CN 201210260852 A CN201210260852 A CN 201210260852A CN 102749723 A CN102749723 A CN 102749723A
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Abstract
The invention relates to a blind zone optimized progressive eye lens for and a mold thereof. The blind zone optimized progressive eye lens comprises a lens surface with certain radian, a far sight zone, a near sight zone, a channel, a left blind zone and a right blind zone, the cylindrical surface degree of the blind zones with maximum astigmatism is lower than the lighting degree of the lens, the maximum value of the cylindrical surface degree is controlled to be lower than 96% of the lighting degree value, and the distance of maximum astigmatism in the horizontal direction is greater than 22 mm. The cylindrical surface degree of the blind zones with maximum astigmatism is lower than the lighting degree and the position of the maximum value of the cylindrical surface degree is far away from the lens dispensing center, so that the sense of deformation of the middle distance is ensured to decline when a wearer looks at static objects or dynamic objects. The progressive lens disclosed by the invention can be applied to molded external progressive eye lenses, and can also be applied to internal progressive eye lenses manufactured in a free-from surface garage. The invention further relates to a glass mold or a metal mold for molded internal surface progressive eye lenses or external surface progressive eye lenses formed by hot melting or manufactured by the free-from surface grinding method.
Description
Technical field
The present invention relates to the multifocal ophthalmic lens technical field.Particularly, the present invention relates to position, a kind of blind area away from joining the mirror center, progressive multi-focal lenses sheet and mould thereof that middle distance distortion sense descends.
Background technology
Ophthalmic progressive additional lens is used for correction of refractive errors.Glasses wearer's sight line sees through eyeglass top when observing thing far away, corrects human eye and is in the ability of loosening under the state of looking squarely far away of looking.Sight line sees through the eyeglass bottom and can be used for closely correcting the ability of looking nearly under the viewed status.
Ophthalmic progressive additional lens provides on same eyeglass to be looked distance vision acuity and looks near optical power, and lens surface face shape is connected naturally simultaneously, and not only the surface does not have visible boundary; And the focal power that draws near changes continuously; Middle distance is looked the thing non-cracking, and is both beautiful and practical, receives user's favor.
Yet an intrinsic shortcoming is to have the blind area in ophthalmic progressive additional lens, promptly has harmful astigmatism.Usually the blind area is positioned at the both sides of eyeglass near reading range, reaches maximum at a certain position.The passage of looking far field, near reading range and connecting two zones is referred to as effective vision area.The approximate location of looking far field I, near reading range II and blind area III is referring to accompanying drawing 1.
The focal power of ophthalmic progressive additional lens is meant the refractive power of eyeglass, and focal power is also referred to as the average sphere degree, and the focal power of progressive multi-focus lens is the function of lens position, eyeglass project on the plane coordinate with (x y) representes, then focal power:
Wherein, R
Min, R
MaxBe that (x, y) select with rice is minimum, the maximum curvature radius of unit to lens surface.N is the refractive index of lens materials.
The blind area astigmatism of ophthalmic progressive additional lens is measured with cylinder, and same cylinder C also is the function of lens position:
The unit of focal power and cylinder all is called diopter, representes 1D=1/m usually with D.
Main gradual change meridian is the intersection point track of glasses wearer at sight line when the different distance dead ahead is watched and lens surface.Look a RP in the far field for looking far point Dp to what watch at a distance, a RP in the near reading range of closely watching is for looking near point Rp, and the difference of looking near point and looking the focal power between the far point is called and adds luminosity.Main gradual change meridian tilts to nasal side from looking far point, stops to looking near point.The cylinder of being had a few on the main gradual change meridian is zero, is a center line of effective vision area, overlaps with channel centerline in passage area.Meridian M is the straight line that extends outwardly into lens edge through main gradual change meridian and two ends.The mirror center P of joining of eyeglass is being looked on the meridian between far point and the geometric center, and it is corresponding to the horizontal line of sight direction when wearer's head is honest.Referring to accompanying drawing 1.
Existing ophthalmic progressive additional lens, the cylinder of the blind area astigmatism that has is excessive, and the blind area main gradual change meridian of astigmatism distance that has is near excessively.This will cause the interference of dynamic vision and in reducing apart from the width of vision area and low coverage vision area, cause the middle distance visual deformation and closely vision be difficult for to adapt to.So the deviser of ophthalmic progressive additional lens makes every effort to reduce harmful astigmatism, enlarges effective vision area.More existing for this reason patents of invention disclose their technology.
U.S. Zhuan Chen company discloses a kind of gradual change type lens at Chinese patents CN 1156726C; Employing combines additive graded surface with regression surface mode reduces harmful astigmatism; Harmful astigmatism of these lens of patent description is little than conventional lenses, but does not point out that astigmatism is positioned at the position and the degree that reduces astigmatism of both sides.
Chinese patent CN102043258A discloses a kind of optimization method of ophthalmic progressive additional lens astigmatism; Optimization step through this invention is handled; Can effectively reduce the maximum astigmatism on initial designs ophthalmic progressive additional lens surface; But only show that in instructions maximum astigmatism reduces 11.2%, the position and the size of blind area, back astigmatism do not optimized in explanation.
The France patent CN1262452A of Essilor International discloses a kind of gradual multi-focusing glasses lens; Cylinder in proposing especially carefully to control therefrom apart from vision area central authorities to the meridian two side areas at low coverage vision area top changes, and the absolute value of the peaked difference of cylinder that control meridian both sides 20mm distance is interior is less than or equal to 0.30 diopter; And the difference of meridianal each side cylinder maximal value and minimum value all is less than or equal to 0.1 additional optical focal power.
Summary of the invention
The technical matters that the present invention will solve provides a kind of progressive eye lens and mould thereof, and this eyeglass has the low coverage of broad and middle apart from vision area, improves glasses wearer's level of comfort and Yi Shixing.The cylinder of its blind area astigmatism is lower than and adds luminosity, and the peaked position of cylinder is away from joining the mirror center, guarantees that the glasses wearer not only looks when seeing in static state, and is dynamically looking when seeing, middle distance distortion sense descends.Progressive lenses disclosed by the invention, can be applicable to the free form surface garage make in progressive eye lens and outer progressive eye lens, the mould of progressive and outer progressive eye lens in also can be applicable to process.
For solving the problems of the technologies described above; The present invention provides following technical scheme: the progressive eye lens that a kind of blind area is optimized; Comprise the lens surface with certain radian, lens surface is looked far field, near reading range, passage and blind area, the left and right sides, and wherein: the cylinder of the maximum astigmatism in blind area is lower than the luminosity that adds of eyeglass; The cylinder maximal value is controlled at and adds below 96% of shading value, and maximum astigmatism distance in the horizontal direction is greater than 22 millimeters.
A kind of preferred version of progressive eye lens as blind area of the present invention optimization; Wherein: main gradual change meridian passes looks far field RP, near reading range RP; Tilt to nasal side; Overlap with channel centerline at channel region, the distance that the maximum astigmatism in blind area, both sides arrives channel centerline in the horizontal direction is respectively greater than 11 millimeters.
A kind of preferred version of progressive eye lens as blind area of the present invention optimization; Wherein: join mirror and be centered close on the eyeglass geometric center 3 millimeters, join the mirror center to two lines of the maximum astigmatism in blind area, both sides and the meridianal angle of main gradual change in the scope that 42 degree-48 are spent.
As a kind of preferred version of progressive eye lens that blind area of the present invention is optimized, wherein: the difference of the maximum astigmatism cylinder in blind area, the left and right sides is controlled at and adds below 5% of luminosity.
As a kind of preferred version of progressive eye lens that blind area of the present invention is optimized, wherein: the maximum astigmatism cylinder of nasal side maximal value is controlled at and adds below 95.4% of shading value; The maximum astigmatism cylinder of temporo side maximal value is controlled at and adds below 93.5% of shading value; Joining two lines and the meridianal angle of main gradual change of mirror center maximum astigmatism to the blind area, both sides spends in the scope of-47.9 degree 42.7; The distance that maximum astigmatism arrives channel centerline in the horizontal direction is greater than 12 millimeters.
A kind of preferred version of progressive eye lens as blind area of the present invention optimization; Wherein: comprise the progressive eye lens of inside surface or the progressive eye lens of outside surface that use the free form surface lapping machine to be processed, comprise the progressive eye lens or the progressive eye lens of outside surface that use die casting or injection moulding mode to produce.
A kind of mould that is used to process the progressive eye lens of optimizing blind area of the present invention wherein, comprises and uses hot melt molding or the progressive eye lens of inside surface of free form surface Ginding process manufacturing or the glass mold or the metal die of the progressive eye lens of outside surface.
The present invention has following technique effect, joins mirror and is centered close on the geometric center 3 millimeters, and the bridge of the nose that can be used for the occidentals is high, and eye socket is dark, and eyeglass is from the situation of the distance of eyeball.It is lower also to be used for Asian's bridge of the nose, and eye socket is more shallow, and eyeglass is from the situation of the close together of eyeball.Make the fit of glasses have suitable dirigibility.The cylinder value of the maximum astigmatism in blind area is less than adding 96% of shading value, can guarantee that progressive lenses does not have excessive astigmatism and causes than severe distortion, and the glasses wearer is not easy to produce dizzy phenomenon.The position, blind area is away from the characteristics of joining the mirror center, and the variable gradient of cylinder was not too large when restriction departed from meridian, improved glasses wearer's comfort level, and the degree of deformation that middle distance is looked thing descends.
The maximum astigmatism in blind area is in the position of about 45 degree in below, the left and right sides; Can guarantee to greatest extent far away, in, the visual field, nearly three district is in synchronously equilibrium state clearly; Prevent the narrow phenomenon in wide a certain district, a certain district, thereby satisfy maximum ratio crowd's comprehensive comfortable wearing degree.The balance asymmetric design of restriction blind area, both sides maximum astigmatism cylinder difference being melted the picture effect in the time of improving glasses wearer's eyes and look thing in the brain vision.
Description of drawings
(I is looked the far field to Fig. 1 for the subregion synoptic diagram of ophthalmic progressive additional lens; The II near reading range; The III blind area).
Fig. 2 shows the synoptic diagram of the maximum astigmatism in blind area position in the progressive lenses characteristic disclosed by the invention.
The ophthalmic progressive additional lens that Fig. 3 provides according to the embodiment of the invention one etc. the focal power line drawing.
Fig. 4 according to the embodiment of the invention one provide the three-dimensional astigmatism stereographic map of ophthalmic progressive additional lens, 60 ° at position angle-105 °, the angle of depression.
Fig. 5 according to the embodiment of the invention one provide the cylinder line drawings such as astigmatism of ophthalmic progressive additional lens.
Fig. 6 according to the embodiment of the invention one provide the three-dimensional astigmatism stereographic map of ophthalmic progressive additional lens, 80 ° at position angle, 55 ° at the angle of depression.
The ophthalmic progressive additional lens that Fig. 7 provides according to the embodiment of the invention two etc. the focal power line drawing.
Fig. 8 according to the embodiment of the invention two provide the three-dimensional astigmatism stereographic map of ophthalmic progressive additional lens, 60 ° at position angle-105 °, the angle of depression.
Fig. 9 according to the embodiment of the invention two provide the cylinder line drawings such as astigmatism of ophthalmic progressive additional lens.
Figure 10 according to the embodiment of the invention two provide the three-dimensional astigmatism stereographic map of ophthalmic progressive additional lens, 80 ° at position angle, 55 ° at the angle of depression.
Embodiment
Below by way of example the present invention is further described.Embodiment adopts rectangular coordinate system, and its x axle is corresponding to the transverse axis of eyeglass, and the y axle is unit corresponding to the Z-axis of eyeglass with the millimeter.
Embodiment one:
Consider an eyeglass, it is surperficial that this eyeglass has a free form surface surface and a sphere or the cylinder towards eyeglass wearer towards object space, promptly outer progressive eye lens.Consider an eyeglass that is applicable to right eye here, the mirror image symmetry eyeglass that the eyeglass that is applicable to left eye can be got with the right eye eyeglass simply obtains.Machined surface is the outside surface of eyeglass, it be one protruding, all there are the free form surface surface of a focal power and a cylinder, optic diameter 72mm in every some place above that.
Fig. 3 show this face etc. the focal power line drawing, the optical power profile projection in the plane of the eyeglass outside surface free form surface of saying so exactly.Far point Dp as a RP, is looked in looking the far field in the focal power stable region that is referred to as to look the far field that a broadness is arranged on the top of Fig. 3.The power value of looking far point is 2.65D.A focal power stable region of departing from is slightly to the left arranged at the bottom of Fig. 3, is referred to as near reading range.Sight line was downward when the glasses wearer read, and people's eyeball rotates to nasal side, and the near reading range of this eyeglass departs to the left, was suitable as right eyeglass.RP is looked near point Rp near reading range, and the power value of looking near point is 4.64D.Is 1.99D from looking far point to the luminosity that adds of looking the near point eyeglass.
Fig. 4 is the 3 dimensional drawing of eyeglass astigmatism distribution, and the viewpoint position angle of display graphics is 60 ° for-105 °, the angle of depression.Can find out at eyeglass y by figure>0 the first half, have the comparatively open cylinder of a slice be zero look the far field I.The Lower Half of eyeglass has the mountain peak of two cylinder values, and this sheet mountain region is the blind area II of eyeglass just.Two peaks are in the both sides of eyeglass center line, and are not exclusively symmetrical.Accompanying a valley between two peaks is the meridianal position of main gradual change, also is called passage as previously mentioned.The end of passage can be seen a recessed valley floor, is the near reading range III.
As shown in Figure 5 with cylinder line drawing such as the corresponding eyeglass astigmatism of Fig. 4, the cylinder that is to say eyeglass outside surface free form surface projection in the plane that distributes.Demonstrating meridian M among the figure and tilt to the left from top to bottom, is nasal side as its left side of right mirror, and the right side is the temporo side.The astigmatism of main gradual change meridian both sides is symmetry not exclusively, and the area that cylinder lines such as astigmatism 1.75D are enclosed in nasal side is slightly larger than the area that is enclosed in the temporo side.The maximum astigmatism cylinder of nasal side is 1.90D, for adding 95% of luminosity, is positioned at x=-13mm, the y=-10mm place.The maximum astigmatism cylinder of temporo side is 1.87D, for adding 93.5% of luminosity, is positioned at x=11mm, the y=-10mm place.The cylinder difference of the maximum astigmatism in both sides is 0.03D, is merely to add 1.5% of luminosity.Main gradual change meridian has tilted 1 millimeter at the y=-10mm place to nasal side, promptly at the x=-1mm place.What demonstrate the above 3 millimeters places of geometric center among Fig. 5 joins the mirror center P, and connects the line that dots of blind area, both sides maximum astigmatism point from P point.At nasal side, 12 millimeters on maximum astigmatism position deviation master gradual change meridian, with the angle of main transition line be 42.7 °.In the temporo side, maximum astigmatism position deviation master gradual change meridian also is 12 millimeters, also is 42.7 ° with the angle of main transition line.For the left eyeglass symmetrical with its mirror image, main gradual change meridian will tilt 1 millimeter to the right at the y=-10mm place, be to tilt 1 millimeter to nasal side too.With regard to the notion of nasal side, temporo side, left eyeglass and right eyeglass are duplicate in the position and the cylinder size of the departing from of near reading range, blind area, both sides astigmatism.Simultaneously, the cylinder of the maximum astigmatism in main gradual change meridian both sides has difference on the eyeglass, all is that the maximum astigmatism cylinder of nasal side is slightly larger than the maximum astigmatism cylinder of temporo side, and in this example, both differences are merely 0.03D.This is a kind of asymmetrical design, but with respect to meridian substantial symmetry again, the present invention has limited the difference degree of both sides astigmatisms, is the balance asymmetric design.Like this, make when might improve glasses wearer's eyes looks thing in the brain vision
MaincenterMelt the picture effect, improve the wearer in low coverage vision area top and middle binocular vision comfort level apart from vision area bottom.
In order to illustrate further the characteristics of blind area astigmatism, Fig. 6 shows that eyeglass viewpoint position angle is that 80 °, the angle of depression are 55 ° astigmatism distribution 3 dimensional drawing.This figure watches astigmatism distribution from the upper left side of eyeglass; Look the place ahead that the far field is presented at figure; The position on two astigmatism peaks and extreme value mark on figure: x=11, y=-10, z=1.857 and x=-13, y=-10, z=1.898; Near reading range can see obviously that at the rear of figure connecting the cylinder of looking far field and near reading range is zero passage.
Embodiment two:
Be with the maximum differential of embodiment one, in this example eyeglass have one surperficial towards the sphere of object space or cylinder surface with a free form surface towards eyeglass wearer, promptly in progressive eye lens.Machined surface is the inside surface of eyeglass, it be one recessed, all there is the free form surface surface of a focal power and a cylinder at every some place above that.The focal power of an eyeglass is combined by the focal power on inside and outside two sides.Specifically, the focal power of the eyeglass focal power that approximates outside surface deducts the focal power of inside surface.One has the progressive lenses that adds luminosity, if with the inside surface of its free form surface design at eyeglass, it adds luminosity is negative value.The focal power that is the free form surface surface in this example has the characteristic of dim light from top to bottom.
This example is considered an eyeglass that is applicable to left eye, optic diameter 70mm.As previously mentioned, the mirror image symmetry eyeglass that the eyeglass that is applicable to right eye can be got with left eyeglass lens simply obtains.
Fig. 7 show this example etc. the focal power line drawing, the optical power profile projection in the plane of the eyeglass inside surface free form surface of saying so exactly.On the top of Fig. 7 a broad focal power stable region is arranged, promptly look the far field, look far point Dp in looking the far field.The power value of looking far point is 3.00D.Because the focal power of focal power stable region is slightly less than 3.00D, is 2.9994D, among the figure etc. focal power line 0.2D at interval, therefore only demonstrate the 2.8D line, do not demonstrate the 3.0D line.A focal power stable region near reading range that departs from is slightly to the right arranged at the bottom of Fig. 7.Sight line was downward when the glasses wearer read, and people's eyeball rotates to nasal side, and the near reading range of this eyeglass departs to the right, was suitable as left eyeglass.RP is looked near point Rp near reading range, and the power value of looking near point is 0.52D.Demonstrating from looking far point is 2.48D to the dim light degree of looking the near point eyeglass.On the inside surface of the eyeglass that it is sphere that this free form surface is produced on an outside surface, eyeglass add luminosity 2.48D.
Fig. 8 is the 3 dimensional drawing of eyeglass astigmatism distribution, and the viewpoint position angle of display graphics is 70 ° for-105 °, the angle of depression.Can find out at eyeglass y by figure>0 the first half, have the comparatively open cylinder of a slice be zero look the far field I.The Lower Half of eyeglass has the mountain peak of two cylinder values, and this sheet mountain region is the blind area II of eyeglass just.Two peaks are in the both sides of eyeglass center line, and are not exclusively symmetrical.Accompanying a valley between two peaks is the meridianal position of main gradual change, also is called passage as previously mentioned.The end of passage can be seen a recessed valley floor, is the near reading range III.
As shown in Figure 9 with cylinder line drawing such as the corresponding eyeglass astigmatism of Fig. 8, the projection in the plane that distributes of the cylinder of the eyeglass outside surface free form surface of saying so exactly.Demonstrating meridian M among the figure and tilt to the right from top to bottom, is nasal side as its right side of left mirror, and the left side is the temporo side.The astigmatism of main gradual change meridian both sides is symmetry not exclusively, and the maximum astigmatism cylinder of nasal side is 2.30D, for 92.7% of dim light degree, is in x=12mm, the y=-7mm place.The maximum astigmatism cylinder of temporo side is 2.20D, for adding 88.7% of luminosity, is in x=-10mm, the y=-9mm place.What demonstrate the above 3 millimeters places of geometric center among Fig. 9 joins the mirror center P, and connects the line that dots of blind area, both sides maximum astigmatism point from P point.At nasal side, main gradual change meridian has tilted 0.9 millimeter at the y=-7mm place to nasal side, 11.1 millimeters on maximum astigmatism position deviation master gradual change meridian, with the angle of main transition line be 47.9 °.In the temporo side, the main gradual change meridian in y=-9mm place tilts 1 millimeter to nasal side, and the maximum astigmatism position deviation of temporo side master gradual change meridian is 11 millimeters, with the angle of main transition line be 42.5 °.The cylinder of the maximum astigmatism in main gradual change meridian both sides has difference on the eyeglass, and the maximum astigmatism cylinder of nasal side is greater than the maximum astigmatism cylinder of temporo side, and difference is 0.10D, is to add 4.0% of luminosity.Example one is big for the difference of the maximum astigmatism cylinder in blind area, both sides in this example, but still is within the difference degree of both sides astigmatism of the present invention's restriction.The astigmatism cylinder at detection and near reading range RP same vertical position y=-15mm place, at nasal side, at x=9mm, the y=-15mm place, the astigmatism cylinder is 1.26D; In the temporo side, x=-6mm, the y=-15mm place, the astigmatism cylinder also is 1.26D.Both are apart from 15mm.That is to say, 1/2nd be standard with the astigmatism cylinder less than what add luminosity, reaches 15mm at the width of near reading range.Simultaneously, main gradual change meridian is that nasal side departs from 2mm to the right at the y=-15mm place, and cylinder is that the astigmatism point of 1.26D is respectively 7mm and 8mm with the meridianal distance of main gradual change, and both sides are in a basic balance.Show characteristic not only asymmetric but also that bilateral is in a basic balance.
In order to illustrate further the characteristics of blind area astigmatism, Figure 10 shows that eyeglass viewpoint position angle is that 80 °, the angle of depression are 55 ° astigmatism 3 dimensional drawing.This figure watches astigmatism distribution from the upper left side of eyeglass; Look the place ahead that the far field is presented at figure; The position on two astigmatism peaks and extreme value mark on figure: x=12, y=-7, z=2.302 and x=-10, y=-9, z=2.196; Near reading range can see obviously that at the rear of figure connecting the cylinder of looking far field and near reading range is zero passage.
The blind area astigmatism parameter that provides of two embodiment:
The foregoing description can adopt the method for prior art CN 101661167B, selects the design of suitable meridian and outline line to obtain.Also can take the method for other prior aries.
What should explain is; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. the progressive eye lens optimized of a blind area; Comprise lens surface with certain radian; Lens surface is looked far field, near reading range, passage and blind area, the left and right sides; It is characterized in that: the cylinder of the maximum astigmatism in blind area is lower than the luminosity that adds of eyeglass, and the cylinder maximal value is controlled at and adds below 96% of shading value, and the left and right sides maximum astigmatism distance in the horizontal direction is greater than 22 millimeters.
2. the progressive eye lens that blind area according to claim 1 is optimized; It is characterized in that: main gradual change meridian passes looks far field RP, near reading range RP; Tilt to nasal side; Overlap with channel centerline at channel region, the distance that the maximum astigmatism in blind area, both sides arrives channel centerline in the horizontal direction is respectively greater than 11 millimeters.
3. the progressive eye lens that blind area according to claim 1 is optimized; It is characterized in that: join mirror and be centered close on the eyeglass geometric center 3 millimeters, join the mirror center to two lines of the maximum astigmatism in blind area, both sides and the meridianal angle of main gradual change in the scope that 42 degree-48 are spent.
4. the progressive eye lens that blind area according to claim 1 is optimized is characterized in that: the difference of the maximum astigmatism cylinder in blind area, the left and right sides is controlled at and adds below 5% of luminosity.
5. the progressive eye lens that blind area according to claim 1 is optimized is characterized in that: the maximum astigmatism cylinder of nasal side maximal value is controlled at and adds below 96% of shading value; The maximum astigmatism cylinder of temporo side maximal value is controlled at and adds below 94% of shading value.
6. the progressive eye lens that blind area according to claim 1 is optimized; It is characterized in that: comprise the progressive eye lens of inside surface or the progressive eye lens of outside surface that use the free form surface lapping machine to be processed, comprise the progressive eye lens or the progressive eye lens of outside surface that use die casting or injection moulding mode to produce.
7. mould that is used to process the progressive eye lens of optimizing the described blind area of claim 1; It is characterized in that, comprise and use hot melt molding or the progressive eye lens of inside surface of free form surface Ginding process manufacturing or the glass mold or the metal die of the progressive eye lens of outside surface.
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| CN2012102608525A CN102749723A (en) | 2012-07-26 | 2012-07-26 | Blind zone optimized progressive eye lens and mold thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589215A (en) * | 2016-03-08 | 2016-05-18 | 李国荣 | Thermoplasticity inner progressive lens and machining method thereof |
| CN110568626A (en) * | 2019-09-20 | 2019-12-13 | 丹阳市飞达眼镜有限公司 | Multi-focus progressive lens |
| CN113641006A (en) * | 2021-08-11 | 2021-11-12 | 江苏科技大学 | Multi-functional lens of subregion of adjustable eye distance |
| JP2022532028A (en) * | 2019-05-09 | 2022-07-13 | エシロール・アンテルナシオナル | Progressive multifocal lens for the eye that suits the wearer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215844A (en) * | 1997-10-16 | 1999-05-05 | 埃塞罗国际公司 | Multifocal ophthalmic lens |
| CN1262452A (en) * | 1999-01-22 | 2000-08-09 | 埃塞罗国际公司 | Gradual multi-focusing glasses lens |
| US20020171803A1 (en) * | 2000-03-16 | 2002-11-21 | Francoise Ahsbahs | Progressive multifocal ophthalmic lens with fast power variation |
| US20030223033A1 (en) * | 2002-05-31 | 2003-12-04 | Crossbows Optical Limited | Progressive addition power lens |
| CN102436075A (en) * | 2011-12-23 | 2012-05-02 | 苏州大学 | Progressive addition lens with large visual areas and low astigmatism |
-
2012
- 2012-07-26 CN CN2012102608525A patent/CN102749723A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215844A (en) * | 1997-10-16 | 1999-05-05 | 埃塞罗国际公司 | Multifocal ophthalmic lens |
| CN1262452A (en) * | 1999-01-22 | 2000-08-09 | 埃塞罗国际公司 | Gradual multi-focusing glasses lens |
| US20020171803A1 (en) * | 2000-03-16 | 2002-11-21 | Francoise Ahsbahs | Progressive multifocal ophthalmic lens with fast power variation |
| US20030223033A1 (en) * | 2002-05-31 | 2003-12-04 | Crossbows Optical Limited | Progressive addition power lens |
| CN102436075A (en) * | 2011-12-23 | 2012-05-02 | 苏州大学 | Progressive addition lens with large visual areas and low astigmatism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589215A (en) * | 2016-03-08 | 2016-05-18 | 李国荣 | Thermoplasticity inner progressive lens and machining method thereof |
| CN105589215B (en) * | 2016-03-08 | 2018-09-14 | 李国荣 | Progressive lenses and its processing method in thermoplasticity |
| JP2022532028A (en) * | 2019-05-09 | 2022-07-13 | エシロール・アンテルナシオナル | Progressive multifocal lens for the eye that suits the wearer |
| CN110568626A (en) * | 2019-09-20 | 2019-12-13 | 丹阳市飞达眼镜有限公司 | Multi-focus progressive lens |
| CN113641006A (en) * | 2021-08-11 | 2021-11-12 | 江苏科技大学 | Multi-functional lens of subregion of adjustable eye distance |
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Address after: 215025 No. 506 South Street, Suzhou Industrial Park, Jiangsu, Suzhou Applicant after: Suzhou SMO Optical Co., Ltd. Address before: 215025 No. 506 South Street, Suzhou Industrial Park, Jiangsu, Suzhou Applicant before: Suzhou Suda Mingshi Optics Co., Ltd. |
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Application publication date: 20121024 |