CN103235421A - Full-out-of-focus corrective spectacle glasses - Google Patents
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- CN103235421A CN103235421A CN2013101483141A CN201310148314A CN103235421A CN 103235421 A CN103235421 A CN 103235421A CN 2013101483141 A CN2013101483141 A CN 2013101483141A CN 201310148314 A CN201310148314 A CN 201310148314A CN 103235421 A CN103235421 A CN 103235421A
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Abstract
The invention discloses a pair of full-out-of-focus corrective spectacle glasses and belongs to health-care spectacles. Conventional frame spectacle glasses cannot correct peripheral retina out-of-focus, the myopia degree is increased or presbyopia emmetropization is delayed, the central optical area of conventional peripheral out-of-focus corrective spectacle glasses is narrow in field range, and the technical defect of tubular view field is formed. The pair of spectacle glasses provided by the invention is provided with a long-view field central optical area with wide vertical direction, the optical view field requirements of the human presbyopia and myopia are met, the presbyopia or myopia out-of-focus in the center of the retina is corrected, the retina periphery presbyopia and myopia out-of-focus is corrected in the peripheral optical area of enough view field range, the increase of the myopia degree is effectively controlled, the presbyopia emmetropization is promoted, and the spectacle glasses are convenient to popularize and apply.
Description
Technical field
The present invention relates to the optometric technology field, specifically, relate to the spectacle lenses of correction of myopia or presbyopic retinal centre out of focus and peripheral out of focus.
Background technology
Periphery out of focus theory is thought: conventional myopic eye spectacle lenses increases retinal periphery long sight out of focus when correcting the retinal centre out of focus, induces eyeball to grow, promote the myopia number of degrees to increase backward; Identical theory is also thought: traditional farsightedness spectacle lenses increases retinal periphery myopia out of focus, stops eyeball and grows, delays eyeball emmetropization process backward, and this is the glasses source paathogenic factor of conventional frame lens.
Periphery out of focus corrective ophthalmic eyeglass is a revolution of spectacles, has formed conventional myopic eye spectacle lenses update trend.The prior art of periphery out of focus corrective ophthalmic eyeglass is: Chinese invention patent number: 2008801159183, patent name: ophthalmic lens element, disclose a kind of central optical zone and be positioned at the disciform peripheral out of focus lens of the Centromedian horizontal stroke of eyeglass, this technology is released commodity Zeiss by name by Ka Er Zeiss optics and is become permanently happy lens (myovision lens); Another Chinese invention patent number: 2006800441239, patent name: be used for the eyeglass of myopia correction, disclose a kind of central optical zone and be positioned at the Centromedian just round peripheral out of focus corrective ophthalmic eyeglass of eyeglass.Above-mentioned two patented technologies become permanently happy lens mainly to consider lens periphery out of focus rectification visual field with Zeiss, do not consider central out of focus rectification visual field, the former is horizontal oval-shaped " horizontal field of view ", and the latter is circular for the center, just as " horizontal field of view " of glaucoma " tubulose visual field ".
Eye mainly is to look far away and look near, and especially the student goes up class hour eyes and moves up and down to finish and look at a distance blackboard and look nearby books or write.Periphery out of focus corrective ophthalmic eyeglass will meet two key factors when design: the one, enough big zone rectification retinal centre out of focus are arranged, satisfy eye specifically and look far and look near field range, i.e. " vertical field of view ", another is that enough big zone rectification retinal periphery out of focus are arranged.Therefore, the design of peripheral out of focus corrective ophthalmic eyeglass is still the great technical barrier in international ophthalmology and optometric technology field.
Summary of the invention
The object of the invention provides a kind of enough big zone rectification retinal centre out of focus that namely has, and especially satisfies eye and looks far and look near field range, also has enough peripheral out of focus corrective ophthalmic eyeglasses of big regional rectification retinal periphery out of focus.
The present invention seeks to be achieved by following technical proposals:
A kind of full out of focus corrective ophthalmic eyeglass, for being installed on the optics dioptric lens on the individual layer spectacle-frame, the technical characterictic of its eyeglass subregion, scope, shape, size and radius-of-curvature is as follows: lens is provided with central optical zone and peripheral optical zone, is provided with the transition region between central optical zone and the peripheral optical zone.Central optical zone is positioned at the eyeglass central part and extends to 30 °～150 ° zones, lens periphery position clockwise direction axle position to downside, is positioned at 40 °～120 ° zones, circumference position angle, lens periphery position.The periphery optical zone is around most of central optical zone, is positioned at directly over the eyeglass, 120 °～60 ° zones of nasal side and temporo side mirror sheet periphery position clockwise direction axle position, is positioned at 240 °～320 ° zones, circumference position angle, lens periphery position.Preferred this lens, central optical zone are positioned at 60 °～90 ° zones, circumference position angle, lens periphery position, and peripheral optical zone is positioned at 270 °～300 ° zones, circumference position angle, lens periphery position.Central optical zone be prepared into vertically to nail-shaped, vertically to the feather sphere, vertically to oval, vertically to eccentric circular.
The upside warp (RU) of central optical zone, nasal side warp (RN), temporo side warp (RT) length are 5mm～20mm, downside warp (RL) length is 7mm～35mm, vertical meridian (RH) is longer than horizontal warp (RV) 2mm～20mm, and the nasal side zone of central optical zone the latter half is greater than territory, temporo lateral areas.
Central optical zone is prepared as plano lens, concace mirror lens, convex lens sheet, and peripheral optical zone is prepared as convex lens sheet, concace mirror lens, plano lens.
The periphery optical zone at least from optical centre along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 15mm～20mm place, to the 270 ° of zones, circumference position angle more than the sheet periphery bit width 6mm of border, convex lens sheet, concace mirror lens, the plano lens of retinal periphery out of focus corrected in preparation.The periphery optical zone is around all dividing central optical zone, central optical zone to be positioned at the eyeglass central part and extending to downside, and peripheral optical zone is positioned at 360 ° of zones, circumference position angle, lens periphery position.
The transition region refers to from optical centre along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 5mm～10mm place, to 15mm～20mm or to lens periphery position fringe region, from the central optical zone refractive diopter, the myopia eyeglass according to+0.25DS～+ the 0.50DS incremental change, the farsightedness eyeglass according to-0.25DS～-the 0.50DS decrement, central optical zone is sneaked within the peripheral optical zone.
Vertically be located on the vertical meridian (RH) to nail-shaped, vertical the longest warp to the spherical central optical zone of feather, vertical major axis to oval central optical zone is positioned on the vertical meridian (RH), minor axis is positioned on the horizontal warp (RV), vertically is positioned at the upside warp 2mm～8mm place of center of lens to the optical centre of the circular central optical zone of off-centre.The horizontal warp of central optical zone (RV) length, perhaps the total length of nasal side warp (RN) and temporo side warp (RT) is 10mm～30mm, vertical meridian (RH) length, perhaps upside warp (RU) and downside warp (RL) total length are 12mm～50mm.
Central optical zone is prepared as concace mirror lens, the periphery optical zone is prepared as convex lens sheet, plano lens, perhaps central optical zone and peripheral optical zone prepare radius-of-curvature concace mirror lens inequality, and the central optical zone refractive diopter is used for myopia and wears greater than the lens of peripheral optical zone refractive diopter.Central optical zone is prepared as plano lens, and peripheral optical zone is prepared as the lens of convex lens sheet, and being used at least one side of father and mother is that bathomorphic children prevent myopia to wear.Central optical zone is prepared as convex lens sheet, the periphery optical zone is prepared as the lens of concace mirror lens, plano lens, perhaps central optical zone and peripheral optical zone prepare radius-of-curvature convex lens sheet inequality, the central optical zone refractive diopter is used for farsightedness and wears greater than the lens of peripheral optical zone refractive diopter.
This lens also can be prepared into central optical zone and peripheral optical zone Bifocal lenses.The central optical zone of this lens also can be prepared as the two light concace mirror lens of myopia, the two light concavees lens convex lens sheets of myopia, the compound prismatic glasses of myopia, the two light convex lens sheets of farsightedness, myopia progressive multi-focus lens.
The present invention's beneficial effect compared with prior art is:
1, the retinal periphery out of focus corrective ophthalmic eyeglass in the big zone of a kind of eyeglass central optical zone is provided;
2, this vertical meridian is greater than horizontal warp, nasal side zone " vertical field of view " bigger regional central optical zone greater than territory, temporo lateral areas, satisfies eye and looks far away simultaneously and look near physiological optics needs, near roomy with reading the visual field, and it is good to wear compliance;
3, China is the myopia incidence of disease second, number first, 2.3 hundred million children and juvenile shortsightedness crowd are arranged approximately, the present invention is that international unique eye that meets is looked far away and looked near peripheral out of focus correcting spectacle lens, plays major contribution for human myopia prevention and control, produces very big society and economic benefit.
Description of drawings
Fig. 1 is a kind of full out of focus corrective ophthalmic eyeglass subregion axle bit architecture synoptic diagram;
Fig. 2 is vertically to nail-shaped central optical zone eyeglass subregion warp structural representation;
Fig. 3 is vertically to the spherical central optical zone lens structure of feather synoptic diagram;
Fig. 4 is vertically to oval central optical zone lens structure synoptic diagram;
Fig. 5 is vertically to the circular central optical zone lens structure of off-centre synoptic diagram;
Fig. 6 incorporates peripheral optical zone lens structure synoptic diagram fully with the transition region.
Among the figure: 1 eyeglass; 2 central optical zones; 3 peripheral optical zone; 4 transition regions; 5 vertically to nail-shaped; 6 vertically to the feather sphere; 7 vertically to ellipse; 8 vertically to eccentric circular; 9 plano lenses; 10 concace mirror lens; 11 convex lens sheets; The OC optical centre; RU upside warp; RN nasal side warp; RT temporo side warp; RL downside warp; The RH vertical meridian; The horizontal warp of RV.
Specific implementation method
Term connotation in this instructions:
Out of focus is also referred to as and defocuses, and is the antonym that focuses on.The retinal centre out of focus referred to light focusing before the macula retinae district center is recessed or afterwards, will focus on central fovea on the anaclastics the former be called myopia, the latter who focuses on central fovea is called farsightedness.The retinal periphery out of focus referred to light focusing before peripheral retina or afterwards, focus on retina the former be called the myopia out of focus, the latter who focuses on retina is called the long sight out of focus.
Full out of focus corrective ophthalmic eyeglass refers to eyeglass central optical zone rectification retinal centre out of focus, be correction of myopia or farsightedness, the lens periphery optical zone is corrected the retinal periphery out of focus, correct retinal periphery long sight out of focus, the control myopia number of degrees increase, correct retinal periphery myopia out of focus, promote farsightedness emmetropization process.
The lens symbol is as follows: RU: upside warp (upper); RN: nasal side warp (Nasal); RT: temporo side warp (Temporal); RL: downside warp (lower); Rh: vertical meridian (horizontal); Rv: horizontal warp (horizontal).
Glasses bobbin position: refer to that from level position, lens right side be 0 °, clockwise 360 ° of branch cloth beam positions.
Lens position angle: the angle that refers to clockwise two the axle positions of lens.
Below in conjunction with accompanying drawing the present invention is described in further detail:
A kind of full out of focus corrective ophthalmic eyeglass is designated hereinafter simply as this lens.This lens refers to be installed in the spectacle lenses on the single-store frame spectacle-frame, and spectacle lenses refers to optical glass or resin glasses sheet material, through the optical clear dioptric body of modern lens technology of preparing preparation.This lens blank diameter is prepared as between 60mm～70mm, adapts to different spectacle-frame diameter needs.Below subregion, scope, shape, size and the radius-of-curvature of this lens are done more detailed description:
This lens (1) preparation is had central optical zone (2) and peripheral optical zone (3), and preparation has transition region (4) between central optical zone (2) and peripheral optical zone (3).The central optical zone of this lens (2) is according to clockwise location (as Fig. 1) with axle position and the position angle of peripheral optical zone (3) subregion, scope.Central optical zone (2) preparation being positioned at the eyeglass central part and extending to 30 °～150 ° zones, lens periphery position clockwise direction axle position to downside, is positioned at 40 °～120 ° zones, circumference position angle, lens periphery position.Around most of central optical zone (2), be positioned at directly over the eyeglass, 120 °～60 ° zones of nasal side and temporo side mirror sheet periphery position clockwise direction axle position peripheral optical zone (3) preparation, be positioned at 240 °～320 ° zones, circumference position angle, lens periphery position.With central optical zone (2) be prepared into vertically to or vertical, purpose is more to be adapted to eyes look far away and look nearly needs, central optical zone (2) be prepared into vertically to nail-shaped (5) (as Fig. 6), vertically to feather sphere (6) (as Fig. 3), vertically to oval (7) (as Fig. 4), vertically to eccentric circular (8) (as Fig. 5).
Upside warp (RU), nasal side warp (RN), temporo side warp (RT) length of this lens (1) central optical zone (2) are prepared as 5mm～20mm, downside warp (RL) length is prepared as 7mm～35mm, vertical meridian (RH) is longer than horizontal warp (RV) 2mm～20mm (as Fig. 2), and the nasal side zone of central optical zone (2) the latter half is greater than territory, temporo lateral areas.Be prepared as vertical meridian and be longer than horizontal warp, nasal side zone greater than territory, temporo lateral areas, purpose is to enlarge to look a myopia scope, is conducive to eye and looks nearly physiological optics needs.
This lens (1) central optical zone (2) is prepared as plano lens (9), concace mirror lens (10), convex lens sheet (11), periphery optical zone (3) is prepared as convex lens sheet (11), concace mirror lens (10), plano lens (9), and purpose is to be applicable to that myopia or farsightedness wears.
This lens, preferably central optical zone (2) preparation is being positioned at 60 °～90 ° zones, circumference position angle, lens periphery position, periphery optical zone (3) is positioned at 270 °～300 ° zones, circumference position angle, lens periphery position, purpose be guarantee the lens periphery optical zone effectively correct retinal periphery out of focus zone before the topic under, enlarge eyeglass central optical zone scope simultaneously as far as possible, especially vertical meridian, nasal side regional extent are conducive to eye and look a myopia scope.。
The peripheral optical zone (3) of this lens (1) at least from optical centre along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 15mm～20mm place, to the 270 ° of zones, circumference position angle more than the sheet periphery bit width 6mm of border, convex lens sheet (11), concace mirror lens (10), the plano lens (9) of retinal periphery out of focus corrected in preparation.
Also the peripheral optical zone (3) of this lens (1) can be centered on all branch central optical zones (2), central optical zone (2) is positioned at the eyeglass central part and extends to downside, and peripheral optical zone (3) is positioned at 360 ° of zones, circumference position angle, lens periphery position.
With this lens (1) transition region (4) preparation from optical centre along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 5mm～10mm place, to 15mm～20mm or to lens periphery position fringe region (as Fig. 6), from central optical zone (2) refractive diopter, the myopia eyeglass according to+0.25DS～+ the 0.50DS incremental change, the farsightedness eyeglass according to-0.25DS～-the 0.50DS decrement, central optical zone (2) is sneaked within the peripheral optical zone (3).It is to eliminate between central optical zone (2) and the peripheral optical zone (3) the eyeglass jump phenomena and make eyeglass more attractive in appearance that preparation has the lens (1) of transition region (4), purpose.
With this lens (1) vertically to nail-shaped (5), vertically the longest warp preparation to feather sphere (6) central optical zone (2) is being positioned on the vertical meridian (RH), vertically to the major axis preparation of oval (7) central optical zone (2) be positioned on the vertical meridian (RH), minor axis is positioned on the horizontal warp (RV), vertically to the optical centre preparation of eccentric circular (8) central optical zone (2) at the upside warp 2mm～8mm place that is positioned at center of lens.
With the horizontal warp of this lens (1) central optical zone (2) (RV) length, perhaps the total length of nasal side warp (RN) and temporo side warp (RT) is prepared as 10mm～30mm, vertical meridian (RH) length, perhaps upside warp (RU) and downside warp (RL) total length are prepared as 12mm～50mm.
This lens (1) is to design for children and juvenile shortsightedness or farsightedness, described central optical zone (2) is prepared as concace mirror lens (10), refractive diopter is-0.50DS～-8.00DS, periphery optical zone (3) is prepared as convex lens sheet (11), refractive diopter is+0.50DS～+ 3.50DS, perhaps peripheral optical zone (3) is prepared as plano lens (9), perhaps with central optical zone (2) and peripheral optical zone (3) preparation radius-of-curvature concace mirror lens inequality (10), central optical zone (2) refractive diopter is used for myopia and wears greater than the lens (1) of peripheral optical zone (3) refractive diopter.Central optical zone (2) is prepared as plano lens (9), and peripheral optical zone (3) is prepared as convex lens sheet (11), and refractive diopter is+0.50DS～+ lens (1) of 3.50DS, being used at least one side of father and mother is that bathomorphic children prevent myopia to wear.Central optical zone (2) is prepared as convex lens sheet (11), periphery optical zone (3) is prepared as the lens (1) of concace mirror lens (10), plano lens (9), perhaps central optical zone (2) prepares radius-of-curvature convex lens sheet inequality (11) with peripheral optical zone (3), central optical zone (2) refractive diopter is used for farsightedness and wears greater than the lens (1) of peripheral optical zone (3) refractive diopter.
This lens (1) can also be prepared into central optical zone (2) and peripheral optical zone (3) Bifocal lenses, this Bifocal lenses and the difference of traditional double light microscopic sheet are: this Bifocal lenses is inside and outside pair of light, namely from central part to peripheral position Bifocal lenses, traditional Bifocal lenses is to following position Bifocal lenses from the upper part.
This lens (1) central optical zone (2) can also be prepared as the two light concace mirror lens of myopia, the two light concavees lens convex lens sheets of myopia, the compound prismatic glasses of myopia, the two light convex lens sheets of farsightedness, myopia progressive multi-focus lens.Described central optical zone (2) is prepared as the two light concace mirror lens of myopia, refers to central optical zone (2) preparation radius-of-curvature concace mirror lens inequality (10), and the first half is prepared as big refractive diopter, the latter half is prepared as little refractive diopter.Described central optical zone (2) is prepared as the two light concavees lens convex lens sheets of myopia, and the first half is prepared as concace mirror lens (10), the latter half is prepared as convex lens sheet (11).Described central optical zone (2) is prepared as the compound prismatic glasses of myopia, refers to that the latter half is prepared as compound prismatic glasses.Described central optical zone (2) is prepared as the two light convex lens sheets of farsightedness, refers to central optical zone (2) preparation radius-of-curvature convex lens sheet inequality (11), and the first half is prepared as big refractive diopter, the latter half is prepared as little refractive diopter.Described central optical zone (2) is prepared as the myopia progressive multi-focus lens, refer to from the first half to the latter half preparation look far away, look and look nearly different gradual change refractive diopter.
Eyeglass principle of the present invention, eyeglass preparation and accommodation are as follows:
The eyeglass principle: the present invention becomes central optical zone and peripheral optical zone with ophthalmic lens design, is designed to the transition region between central optical zone and the peripheral optical zone.The present invention guarantee enough big correct retinal periphery out of focus field of view before under the topic, enlarge eyeglass centre lower zone as far as possible, be conducive to eye and look far and look eye movement scope when near.The vertical meridian of this lens central optical zone is longer than horizontal warp, nasal side zone greater than territory, temporo lateral areas, form vertically to or vertical, be designed to vertically to nail-shaped, vertically to the feather sphere, vertically to oval, vertically to eccentric circular, meet eye and look far away and look near physiological optics visual field needs.This lens periphery optical zone designs from optical centre at least along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 15mm～20mm place, to the 270 ° of zones, circumference position angle more than the sheet periphery bit width 6mm of border, can effectively correct the retinal periphery out of focus.The peripheral out of focus corrective ophthalmic eyeglass of " vertically to the visual field " of the present invention has overcome " horizontal field of view " of existing peripheral out of focus corrective ophthalmic eyeglass or the technological deficiency that has tunnel vision of " tubulose visual field ".
Usable range: this full out of focus corrective ophthalmic eyeglass, main adaptation population is that children and juvenile shortsightedness or farsightedness are worn between 6 years old～18 years old, also adapts to the age to develop at a too fast speed or hyperpresbyopia eye person greater than 18 years old myopia number of degrees.
Claims (10)
1. full out of focus corrective ophthalmic eyeglass, for being installed on the optics dioptric lens on the individual layer spectacle-frame, its eyeglass subregion, scope, shape, the technical characterictic of size and radius-of-curvature is: lens (1) is provided with central optical zone (2) and peripheral optical zone (3), be provided with transition region (4) between central optical zone (2) and the peripheral optical zone (3), central optical zone (2) is positioned at the eyeglass central part and extends to 30 °～150 ° zones, lens periphery position clockwise direction axle position to downside, be positioned at 40 °～120 ° zones, circumference position angle, lens periphery position, periphery optical zone (3) is around most of central optical zone (2), be positioned at directly over the eyeglass, 120 °～60 ° zones of nasal side and temporo side mirror sheet periphery position clockwise direction axle position, be positioned at 240 °～320 ° zones, circumference position angle, lens periphery position, central optical zone (2) is prepared into vertically to nail-shaped (5), vertically to feather sphere (6), vertically to oval (7), vertically to eccentric circular (8), the upside warp (RU) of central optical zone (2), nasal side warp (RN), temporo side warp (RT) length is 5mm～20mm, downside warp (RL) length is 7mm～35mm, vertical meridian (RH) is longer than horizontal warp (RV) 2mm～20mm, the nasal side zone of central optical zone (2) the latter half is greater than territory, temporo lateral areas, central optical zone (2) is prepared as plano lens (9), concace mirror lens (10), convex lens sheet (11), peripheral optical zone (3) is prepared as convex lens sheet (11), concace mirror lens (10), plano lens (9).
2. by the described lens of claim 1, its technical characterictic is: described central optical zone (2) is positioned at 60 °～90 ° zones, circumference position angle, lens periphery position, and peripheral optical zone (3) is positioned at 270 °～300 ° zones, circumference position angle, lens periphery position.
3. by the described lens of claim 1, its technical characterictic is: described peripheral optical zone (3) at least from optical centre along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 15mm～20mm place, to the 270 ° of zones, circumference position angle more than the sheet periphery bit width 6mm of border, convex lens sheet (11), concace mirror lens (10), the plano lens (9) of retinal periphery out of focus corrected in preparation.
4. by the described lens of claim 1, its technical characterictic is: described peripheral optical zone (3) is around all dividing central optical zone (2), central optical zone (2) is positioned at the eyeglass central part and extends to downside, and peripheral optical zone (3) is positioned at 360 ° of zones, circumference position angle, lens periphery position.
5. by the described lens of claim 1, its technical characterictic is: described transition region (4) refer to from optical centre along upside warp (RU), nasal side warp (RN), temporo side warp (RT) 5mm～10mm place, to 15mm～20mm or to lens periphery position fringe region, from central optical zone (2) refractive diopter, the myopia eyeglass according to+0.25DS～+ the 0.50DS incremental change, the farsightedness eyeglass according to-0.25DS～-the 0.50DS decrement, central optical zone (2) is sneaked within the peripheral optical zone (3).
6. by the described lens of claim 1, its technical characterictic is: described vertically to nail-shaped (5), vertically the longest warp to feather sphere (6) central optical zone (2) is located on the vertical meridian (RH), vertically the major axis to oval (7) central optical zone (2) is positioned on the vertical meridian (RH), minor axis is positioned on the horizontal warp (RV), vertically is positioned at the upside warp 2mm～8mm place of center of lens to the optical centre of eccentric circular (8) central optical zone (2).
7. by the described lens of claim 1, its technical characterictic is: the horizontal warp of described lens (1) central optical zone (2) (RV) length, perhaps the total length of nasal side warp (RN) and temporo side warp (RT) is 10mm～30mm, vertical meridian (RH) length, perhaps upside warp (RU) and downside warp (RL) total length are 12mm～50mm.
8. by the described lens of claim 1, its technical characterictic is: described central optical zone (2) is prepared as concace mirror lens (10), periphery optical zone (3) is prepared as convex lens sheet (11), plano lens (9), perhaps central optical zone (2) prepares radius-of-curvature concace mirror lens inequality (10) with peripheral optical zone (3), central optical zone (2) refractive diopter is greater than the lens (1) of peripheral optical zone (3) refractive diopter, being used for myopia wears, central optical zone (2) is prepared as plano lens (9), periphery optical zone (3) is prepared as the lens (1) of convex lens sheet (11), being used at least one side of father and mother is that bathomorphic children prevent myopia to wear, central optical zone (2) is prepared as convex lens sheet (11), periphery optical zone (3) is prepared as concace mirror lens (10), the lens (1) of plano lens (9), perhaps central optical zone (2) prepares radius-of-curvature convex lens sheet inequality (11) with peripheral optical zone (3), central optical zone (2) refractive diopter is used for farsightedness and wears greater than the lens (1) of peripheral optical zone (3) refractive diopter.
9. by the described lens of claim 1, its technical characterictic is: described lens (1) is prepared into central optical zone (2) and peripheral optical zone (3) Bifocal lenses.
10. by the described lens of claim 1, its technical characterictic is: described lens (1) central optical zone (2) is prepared as the two light concace mirror lens of myopia, the two light concavees lens convex lens sheets of myopia, the compound prismatic glasses of myopia, the two light convex lens sheets of farsightedness, myopia progressive multi-focus lens.
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Cited By (4)
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| WO2015106375A1 (en) * | 2014-01-16 | 2015-07-23 | 段亚东 | Short-sighted peripheral defocus spectacle lens with wide view field |
| CN111610644A (en) * | 2019-02-26 | 2020-09-01 | 张朝荣 | Multi-region composite out-of-focus lens for preventing and controlling myopia |
| CN112946921A (en) * | 2021-01-29 | 2021-06-11 | 赵奕琳 | Novel myopia lens and glasses |
| CN114994948A (en) * | 2022-07-19 | 2022-09-02 | 欧普康视科技股份有限公司 | Frame spectacle lens |
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