CN103926711A - Optical lens for controlling ocular axis increase - Google Patents
Optical lens for controlling ocular axis increase Download PDFInfo
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- CN103926711A CN103926711A CN201310012941.2A CN201310012941A CN103926711A CN 103926711 A CN103926711 A CN 103926711A CN 201310012941 A CN201310012941 A CN 201310012941A CN 103926711 A CN103926711 A CN 103926711A
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- center
- optical mirror
- mirror slip
- surrounding zone
- axial growth
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Abstract
An optical lens for controlling ocular axis increase is suitable for being configured in front of an eye of a patient for correcting eye ametropia of the patient. The optical lens comprises a central area having a focus located on a central fovea of retinal macula lutea, and an aspheric zoom peripheral area formed by extending the central area outwards and allowing an incident light focus to be located on a patient retina or in front of the retina; by means of adjusting and eliminating spherical aberration, an ocular axis of the patient can be allowed to gradually control and relieve the ocular axis increase for adapting to image surrounding zones on the retina or in front of the retina, so as to relieve ametropia of the patient.
Description
Technical field
The present invention relates to a kind of optical mirror slip, particularly relate to a kind of optical mirror slip of controlling axial growth.
Background technology
Myopia refers to that people is in the time seeing at a distance, and directional light is reflected and converged in before retina by eye refraction, so cannot form image clearly on retina.Myopia can be corrected by concavees lens, conventionally weighs the situation of ametropia with diopter.
Myopia is all started conventionally because of excessive reading and other the closely movable excessive adjusting burden of bringing to eyes, normal human eye is changing at a distance while seeing nearby from seeing, object imaging in eye is moved after inciting somebody to action, thereby no longer drops on retina, and the object of seeing is fuzzy.Therefore, in order again to see object clearly, eyes need to be made adjusting, shrink ciliary muscle, allow crystalline lens become more protruding, thereby form stronger refraction, allow the picture of object come back on retina.But if long-term close eye, the spasm of ciliary muscle also may stimulate the elongation of eyeball antero posterior axis, thereby form the myopia that cannot reverse.Study according to medical information, (1.00D) spent in the every increase by 100 of myopia degree, axiallength will increase by 0.37 millimeter, and axis oculi is longer, the suffered tractive of retrobulbar retina is just larger, can cause gradually retina to occur degradation phenomena, coming off more greatly also may appear in retina, more can cause detached retina when serious.
Therefore, do not continue to increase if the length of axis oculi can regulate, patient's myopia degree more can not increase, and can slow down axial growth and slow down myopia development so control A nearsighted person after wearing glasses.
As Fig. 1, to show when an A nearsighted person's eyes 4 are not worn concave lens, distant place scenery is to image in before retina 41, and Fig. 2 is this A nearsighted person's eyes 4 while wearing a concave lens 5, and distant place scenery regulates and images on retina 41 via this concave lens 5.Wherein, existing concave lens 5 is sphere concavees lens, distant place scenery images on retina 41 near the central area of optical axis via this concave lens 5, distant place scenery via apart from optical axis neighboring area far away because of the reason of spherical aberration be to image in retina 41 rears, therefore eyes 4 are in order clearly to allow distant place Scenery Imaging on retina 41, can make adjusting, shrink ciliary muscle 42, allow crystalline lens 43 become more protruding, thereby form stronger refraction, distant place scenery can be dropped on retina 41 via the surrounding zone imaging of concave lens 5.But now can move on to the fuzzy vision imaging of the front formation of retina 41 via the imaging of concave lens 5 centers.If eyes 4 are for a long time in this kind of adjustment state, the spasm of ciliary muscle 42 also may stimulate the elongation of axis oculi, thereby causes near-sighted intensification.
Summary of the invention
The object of the present invention is to provide a kind of optical mirror slip of controlling axial growth.
The optical mirror slip of control axial growth of the present invention, comprises a center and a surrounding zone being extended outwardly by this center.The diopter of this surrounding zone is less than center and gradually successively decreases outwardly.
Preferably, the optical mirror slip of control axial growth of the present invention, comprises a center and a surrounding zone being extended outwardly by this center.This center has identical curvature and fixed-focus, and this surrounding zone fades to spherical aberration,positive configuration by against rule spherical aberration.
Beneficial effect of the present invention is: in the time that an A nearsighted person wears this optical mirror slip, distant place scenery images on retina via the center of this optical mirror slip, and distant place scenery is via being be less than the diopter of this center and image on retina or front apart from optical axis compared with the diopter of Qie Yingai surrounding zone, surrounding zone far away, therefore eyes are in order clearly to allow distant place Scenery Imaging on retina, can make adjusting, loosen ciliary muscle, allow lenticular curvature become large, thereby distant place scenery can be dropped on retina via the imaging of the surrounding zone of optical mirror slip.Above eyes regulative mode can avoid ciliary muscle to stimulate the elongation of axis oculi in a tight spasticity, thereby causes near-sighted intensification.
Brief description of the drawings
Fig. 1 is an A nearsighted person's of explanation the abnormal schematic diagram of ophthalmic refractive;
Fig. 2 is this A nearsighted person's of explanation eyes are corrected its ametropia schematic diagram via a concave lens;
Fig. 3 is the front elevation of the first embodiment of the optical mirror slip of control axial growth of the present invention;
Fig. 4 is this A nearsighted person's of explanation eyes are corrected its ametropia schematic diagram via this first embodiment;
Fig. 5 is the front elevation of the second embodiment of the optical mirror slip of control axial growth of the present invention;
Fig. 6 is this A nearsighted person's of explanation eyes are corrected its ametropia schematic diagram via this second embodiment;
Fig. 7 is the front elevation of the 3rd embodiment of the optical mirror slip of control axial growth of the present invention;
Fig. 8 is the cut-open view of the 3rd embodiment;
Fig. 9 is this A nearsighted person's of explanation eyes are corrected its ametropia schematic diagram via the 3rd embodiment.
Embodiment
Below in conjunction with accompanying drawing and three embodiment, the present invention is described in detail:
Before the present invention is described in detail, be noted that in the following description content, similarly element is to represent with identical numbering.
Consult Fig. 3, the first embodiment of the optical mirror slip of control axial growth of the present invention, comprises that a center 1, one are positioned at that the blind area 20 of periphery and one are extended outwardly by this center 1 and between 20Jian surrounding zone, Ji Gai blind area, this center 2.
Two opposition side masks of this center 1 have fixing curvature and have fixing focus.
20Shi Fei visual area, this blind area.
These surrounding zone 2 its diopters are less than the diopter of this center 1 and gradually successively decrease outwardly, and preferably, the dioptric difference of the diopter of this surrounding zone 2 and this center 1 is by being close to this 1 place, center outwardly sequentially by+be incremented to+3.00D of 0.25D.
Preferably, the spherical aberration that two opposite sides of this surrounding zone 2 form gradually becomes spherical aberration,positive by being close to this 1 place, center by against rule spherical aberration.
Consult Fig. 4, when an A nearsighted person's eyes 4 are worn this optical mirror slip and in the time watching a distant place attentively, distant place scenery images on amphiblestroid central fovea of macula (fovea) via the center 1 of this optical mirror slip, and distant place scenery via apart from optical axis compared with surrounding zone far away 2 and because of the diopter of this surrounding zone 2 be that the diopter that is less than this center 1 images in retina 41 fronts, therefore these eyes 4 are in order clearly to allow distant place Scenery Imaging on retina 41, can make adjusting, loosen ciliary muscle 42, allow the curvature of crystalline lens 43 become large, thereby form more weak refraction, distant place scenery can be dropped on retina 41 via the imaging of the surrounding zone 2 of optical mirror slip.The regulative mode of these eyes 4 can avoid ciliary muscle 42 to stimulate the elongation of axis oculi in a tight spasticity above, thereby causes near-sighted intensification.
Consult Fig. 5, the second embodiment of the optical mirror slip of control axial growth of the present invention, be contact lenses (contact lens), comprise that a center 1, blind area 20 and one are extended outwardly by this center 1 and between this center 1 and 20Jian surrounding zone, this blind area 2.In the present embodiment, this center 1 for the optic centre with this optical mirror slip for initial point and diameter be border circular areas that 3.0mm was formed.Two opposition side masks of this center 1 have fixing curvature and have fixing focus.
20Shi Fei visual area, this blind area.
These surrounding zone 2 outer rims for the optic centre with this optical mirror slip for initial point and diameter be concentric circles periphery that 6.0mm was formed.These surrounding zone 2 its diopters are less than the diopter of this center 1 and gradually successively decrease outwardly.Preferably, the diopter of this center 1 is-3.00D, and the diopter of this surrounding zone 2 is by being close to this 1 place, center outwardly sequentially by-be decremented to+0.00D of 2.00D.Preferably, the spherical aberration that two opposite sides of this surrounding zone 2 form gradually becomes spherical aberration,positive by being close to this 1 place, center by against rule spherical aberration.
Wherein, this optical mirror slip is by methacrylic acid-2-hydroxy methacrylate (HydroxyEthylMethAcrylate, HEMA) and methacrylic acid (MethAcrylic Acid, MAA) to react the co-polymer (copolymer) forming made.This optical mirror slip is transformed into a moisture state by a drying regime, its radially Peng Run to lead be 1.28.The center thickness of this optical mirror slip is 0.08mm.This optical mirror slip is 55% in the water cut of this moisture state.The oxygen permeating amount of this optical mirror slip in the time of 35 DEG C is 22*10-11[cm3O2 (STP) * cm]/(sec*cm2*mmHg).
Consult Fig. 6, in the time that an A nearsighted person's eyes 4 are worn this optical mirror slip, distant place scenery images on the central fovea of macula of retina 41 via the center 1 of this optical mirror slip, and distant place scenery via apart from optical axis compared with surrounding zone far away 2 and because of the diopter of this surrounding zone 2 be that the diopter that is less than this center 1 images in retina 41 fronts, therefore these eyes 4 are in order clearly to allow distant place Scenery Imaging on retina 41, can make adjusting, loosen ciliary muscle 42, allow the curvature of crystalline lens 43 become large, thereby form more weak refraction, distant place scenery can be dropped on retina 41 via the imaging of the surrounding zone 2 of optical mirror slip.The regulative mode of these eyes 4 can avoid ciliary muscle 42 to stimulate the elongation of axis oculi in a tight spasticity above, thereby causes near-sighted intensification.
Consult Fig. 7 and Fig. 8, the 3rd embodiment of the optical mirror slip of control axial growth of the present invention, it is the optical mirror slip of a frame eyeglasses and for polycarbonate resin (Polycarbonate, PC) made, polycarbonate resin refractive index is 1.586, and this optical mirror slip comprises that a center 1, blind area 20 and one are extended outwardly by this center 1 and between this center 1 and 20Jian surrounding zone, this blind area 2.
This center 1 is for taking optic centre as initial point, and minor axis diameter for 2.0 ± 1.0 centimeters and major diameter be 2.5 ± 1.0 centimeters of regions that form, the present embodiment is to adopt 2.5 centimeters of 2.0 centimeters of minor axis diameters and major diameter.
20Shi Fei visual area, this blind area.
This surrounding zone 2 and this blind area 20 form with polymerization or the mode of adhering to the adhesion layer 3 that one deck is made up of polymethyl methacrylate (PolyMethylMethAcrylate, PMMA) material away from a side of eyes.The refractive index of polymethyl methacrylate is 1.49.The thickness of this adhesion layer 3 is by being close to this 1 place, center outward to being increased to gradually 300 μ m near being changed to by 1 μ m of this optical mirror slip edge.Preferably, the thickness of this adhesion layer 3 is by being close to this 1 place, center outward to being increased to gradually 200 μ m away from being changed to by 5 μ m of this 1 outer rim 0.5cm place, center, and this adhesion layer is 200 μ m away from the area thickness outside the outer rim 0.5cm of this center.
More preferably, this adhesion layer 3 is formed with compound substance, and its refractive index is less away from more from the center of this center 1.
Consult Fig. 9, in the time that an A nearsighted person's eyes 4 are worn this optical mirror slip, distant place scenery images on the central fovea of macula of retina 41 via the center 1 of this optical mirror slip, because this surrounding zone 2 is the refractive index that its refractive index of combined type material is less than this center, the diopter that is less than this center and make its diopter, therefore distant place scenery images in retina 41 fronts via the surrounding zone 2 of this optical mirror slip, therefore these eyes 4 are in order clearly to allow distant place Scenery Imaging on retina 41, can make adjusting, loosen ciliary muscle 42, allow the curvature of crystalline lens 43 become large, thereby form more weak refraction, distant place scenery can be dropped on retina 41 via the imaging of the surrounding zone 2 of optical mirror slip.The regulative mode of these eyes can avoid ciliary muscle 42 to stimulate the elongation of axis oculi in a tight spasticity above, thereby causes near-sighted intensification.
Comprehensively above-mentioned, the optical mirror slip of control axial growth of the present invention, center 1 and surrounding zone 2 by optical mirror slip have different diopters, distant place scenery is imaged on the central fovea of macula of retina 41 via the center 1 of this optical mirror slip, and distant place scenery via apart from optical axis compared with surrounding zone far away 2 and because of the diopter of this surrounding zone 2 be that the diopter that is less than this center 1 images in retina 41 fronts.Therefore these eyes 4 are in order clearly to allow distant place Scenery Imaging on retina 41, can make adjusting, loosen ciliary muscle 42, allow the curvature of crystalline lens 43 become large, thereby form more weak refraction, distant place scenery can be dropped on retina 41 via the imaging of the surrounding zone 2 of optical mirror slip.The regulative mode of these eyes 4 can avoid ciliary muscle 42 to stimulate the elongation of axis oculi in a tight spasticity above, thereby causes near-sighted intensification, therefore really can reach the present invention's object.
Below only add and give explanation with regard to concrete constructed embodiment of the present invention, under without separated structure of the present invention and spirit, allly be skillful in those skilled in the art scholar, still can do all variations and modification, all this changes and is still considered as being encompassed in the following claim of this case with modifying.
Claims (9)
1. an optical mirror slip of controlling axial growth, is characterized in that: comprise a center and a surrounding zone being extended outwardly by this center, the diopter of this surrounding zone is less than center and gradually successively decreases outwardly.
2. control the optical mirror slip of axial growth for one kind, be suitable for being worn on the patient's eye front side of an ametropia, it is characterized in that: this optical mirror slip comprises a center and a surrounding zone being extended outwardly by this center, this center has identical curvature and fixed-focus, and this surrounding zone fades to spherical aberration,positive configuration by against rule spherical aberration.
3. the optical mirror slip of control axial growth as claimed in claim 1 or 2, is characterized in that: this center for the optic centre with this optical mirror slip for initial point and minor axis diameter for 2.0 ± 1.0 centimeters and major diameter be 2.5 ± 1.0 centimeters of regions that formed.
4. the optical mirror slip of control axial growth as claimed in claim 1 or 2, is characterized in that: this center for the optic centre with this optical mirror slip for initial point and diameter be border circular areas that 3mm to 6mm was formed.
5. the optical mirror slip of control axial growth as claimed in claim 1 or 2, is characterized in that: this surrounding zone is larger far from the radius in the center of circle, and its institute's diopter that compensates is larger, this compensation diopter from+0.25D to+3.00D.
6. the optical mirror slip of control axial growth as claimed in claim 1 or 2, is characterized in that: a side of this surrounding zone forms one deck adhesion layer, and the refractive index of this adhesion layer is less than 1 for the ratio of the refractive index of this optical mirror slip.
7. the optical mirror slip of control axial growth as claimed in claim 6, is characterized in that: this adhesion layer is formed with compound substance, and its refractive index is less away from more from this center, center.
8. the optical mirror slip of control axial growth as claimed in claim 6, is characterized in that: the thickness of this adhesion layer is by being close to this center place outward to being increased to gradually 300 μ m near being changed to by 1 μ m of this optical mirror slip edge.
9. the optical mirror slip of control axial growth as claimed in claim 8, it is characterized in that: the thickness of this adhesion layer is by being close to this center place outward to being increased to gradually 200 μ m away from being changed to by 5 μ m of this outer rim 0.5cm place, center, and this adhesion layer is 200 μ m away from the thickness in the region outside the outer rim 0.5cm of this center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012941.2A CN103926711B (en) | 2013-01-14 | 2013-01-14 | Control the optical glass that axis oculi increases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012941.2A CN103926711B (en) | 2013-01-14 | 2013-01-14 | Control the optical glass that axis oculi increases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103926711A true CN103926711A (en) | 2014-07-16 |
| CN103926711B CN103926711B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310012941.2A Active CN103926711B (en) | 2013-01-14 | 2013-01-14 | Control the optical glass that axis oculi increases |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511105A (en) * | 2016-02-01 | 2016-04-20 | 彭孟跑 | 360-degree panoramic ring-focus lens, mold and manufacturing method of mold |
| CN108051925A (en) * | 2016-10-31 | 2018-05-18 | 杜比实验室特许公司 | Glasses device with focus adjustable lens |
Citations (4)
| 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 |
| EP1138289A1 (en) * | 2000-03-29 | 2001-10-04 | James M. Dr. Nielson | Multifocal corneal sculpturing mask |
| CN1794040A (en) * | 2005-12-26 | 2006-06-28 | 张登科 | Small visual field lens |
| CN101855590A (en) * | 2007-10-23 | 2010-10-06 | 视觉Crc有限公司 | Ophthalmic lens element |
-
2013
- 2013-01-14 CN CN201310012941.2A patent/CN103926711B/en active Active
Patent Citations (4)
| 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 |
| EP1138289A1 (en) * | 2000-03-29 | 2001-10-04 | James M. Dr. Nielson | Multifocal corneal sculpturing mask |
| CN1794040A (en) * | 2005-12-26 | 2006-06-28 | 张登科 | Small visual field lens |
| CN101855590A (en) * | 2007-10-23 | 2010-10-06 | 视觉Crc有限公司 | Ophthalmic lens element |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511105A (en) * | 2016-02-01 | 2016-04-20 | 彭孟跑 | 360-degree panoramic ring-focus lens, mold and manufacturing method of mold |
| CN108051925A (en) * | 2016-10-31 | 2018-05-18 | 杜比实验室特许公司 | Glasses device with focus adjustable lens |
| CN108051925B (en) * | 2016-10-31 | 2022-03-01 | 杜比实验室特许公司 | Eyeglasses device with focus-adjustable lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103926711B (en) | 2016-10-05 |
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