CN104090380A - Peripheral out-of-focus frame eyeglass lens with functional area asymmetric correction quantity - Google Patents
Peripheral out-of-focus frame eyeglass lens with functional area asymmetric correction quantity Download PDFInfo
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- CN104090380A CN104090380A CN201410327741.0A CN201410327741A CN104090380A CN 104090380 A CN104090380 A CN 104090380A CN 201410327741 A CN201410327741 A CN 201410327741A CN 104090380 A CN104090380 A CN 104090380A
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
- G02C7/063—Shape of the progressive surface
- G02C7/066—Shape, location or size of the viewing zones
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/041—Contact lenses for the eyes bifocal; multifocal
- G02C7/045—Sectorial configuration
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/24—Myopia progression prevention
Abstract
The invention discloses a peripheral out-of-focus frame eyeglass lens with functional area asymmetric correction quantity and belongs to health-care eyeglasses. Peripheral refraction of the retina is in an asymmetric state for myopia, the asymmetric state cannot be eliminated by the conventional peripheral out-of-focus eyeglass lens, and anisometropia can be increased or generated. Unequal correction degrees are prepared in a nasal side functional area and a bitamporal functional area, and the correction degree in the nasal side functional area is larger than the correction degree in the bitamporal functional area, so that the peripheral asymmetric refraction state of the retina is eliminated or reduced. The peripheral out-of-focus frame eyeglass lens is used for correcting the peripheral hyperopia defocus of the retina on the bitamporal side and the retina on the nasal side and controlling myopic eyeball growth and has wide view and high wearing compliance, the peripheral asymmetric refraction state of the retina is eliminated, the normal physiological optical state of human eyes is restored, and children and adolescents are effectively prevented from suffering from myopia.
Description
Technical field
The present invention relates to glasses art field, provide a kind of periphery out of focus spectacle lenses of correcting temporo side-looking nethike embrane and nasal retina periphery asymmetry long sight out of focus, for prevention and control children myopia.
Background technology
MA now: the eyeball growth of children myopia is relying on retinal periphery and focusing on regulation and control, and retinal periphery long sight out of focus promotes eyeball to increase, rectification retinal periphery long sight out of focus, can control near-sighted eyeball and increase.The nasal side of conventional myopic lens or territory, temporo lateral areas are identical number of degrees concace mirror lens with middle section, eyeglass middle section concace mirror lens is in correcting retinal centre Myopia out of focus, lens periphery region concace mirror lens increases nasal side and temporo side-looking nethike embrane peripheral hyperopia out of focus, promotes eyeball to increase, promote that the myopia number of degrees increase.
The disclosed periphery out of focus of Chinese patent spectacle lenses has: patent name: for the eyeglass of myopia correction, and the patent No.: 2006800441239; Patent name: ophthalmic lens element, the patent No.: 2008801159183; Patent name: spectacles, the patent No.: 2012100191090; Patent name: spectacles, the patent No.: 2012200274205; Patent name: a kind of complete burnt myopia is recovered mirror, the patent No.: 2012202076425; Patent name: a kind of eyeglass, the patent No.: 2012205833037.Above-mentioned Patent design is: central optical zone is arranged on to eyeglass centre, periphery functional areas are designed to 360 ° of all-round scopes.Myopia presents temporo side and nasal retina peripheral hyperopia out of focus, and upside and downside retina present peripheral myopic out of focus.Existing periphery out of focus spectacle lenses also designs eyeglass visual field upside and downside and becomes periphery functional areas, and what bring is that the visual field, central optical zone is relatively narrow.Research is also found: temporo side retinal periphery relativity dioptric is greater than nasal retina periphery relativity dioptric, presents asymmetry state.He Niece functional areas, nasal side functional areas are no longer divided in the functional areas of existing periphery out of focus spectacle lenses, functional areas equivalent is corrected, not only can not eliminate this retinal periphery dioptric asymmetry, also increase the weight of retinal periphery dioptric asymmetry, make certain region occur rectify or owe strong.Up-to-date medical science is also found: horizontality stravismus, no matter be esotropia or exotropia, all there is retinal periphery Myopia out of focus (cited literature 2 1:Kyoko Matsushita:Relative peripheral refraction in patients with horizontal strabismus, Jpn J Ophthaloml, 2010:54; 441-445).Above-mentioned research explanation: when the design of periphery out of focus spectacle lenses, eliminate as far as possible or reduce retinal periphery relativity dioptric asymmetrical state, the design of near-sighted periphery out of focus spectacle lenses is still fails one of technical barrier succeeding all the time.
Summary of the invention
The object of the invention: a kind of periphery out of focus spectacle lenses of eliminating or reducing retinal periphery dioptric asymmetry is provided.
The present invention seeks to be achieved by following technical proposals:
The periphery out of focus spectacle lenses of the asymmetric correct amount in functional areas, for hard optical frame lens or paste the lens that overlays on it.Eyeglass visual field upside, central authorities and the downside of lens arranges the central optical zone of correcting retinal centre Myopia out of focus, is prepared as plano lens, concace mirror lens.Eyeglass visual field nasal side arranges the nasal side functional areas of correcting temporo side-looking nethike embrane peripheral hyperopia out of focus, be prepared as with respect to the just value added of central optical zone refractive diopter and be+0.10D～+ 3.00D, eyeglass visual field temporo side arranges the temporo side functional areas of correcting nasal retina peripheral hyperopia out of focus, is prepared as with respect to the just value added of central optical zone refractive diopter to be+0.20D～+ 2.00D.Single district ametropia lens, 3 district's ametropia lens, progressive ametropia lens are prepared in He Niece functional areas, nasal side functional areas.It is just value added that difference is prepared in He Niece functional areas, nasal side functional areas, and nasal side functional areas are greater than temporo side functional areas just value added+0.10D～+ 1.50D is prepared as plano lens, concace mirror lens, convex lens sheet.
He Niece functional areas, this nasal side functional areas are prepared as single district ametropia lens, and horizontal radial line (HM) length of central optical zone is 10mm～30mm.Between central optical zone and He Niece functional areas, nasal side functional areas, be prepared with transition region, transition region is according to+0.25D～+ 0.50D incremental change, within central optical zone is sneaked into He Niece functional areas, nasal side functional areas completely.
He Niece functional areas, nasal side functional areas are prepared as single district ametropia lens, preferably selecting nasal side functional areas, to be prepared as with respect to the just value added of central optical zone refractive diopter be+0.75D～+ 2.50D, temporo side functional areas are prepared as with respect to the just value added of central optical zone refractive diopter, and nasal side functional areas are greater than the just value added of temporo side functional areas refractive diopter and are+0.15D～+ 1.25D.Goodly preferably select nasal side functional areas to be prepared as with respect to the just value added of central optical zone refractive diopter be+1.00D～+ 2.00D, temporo side functional areas are prepared as with respect to the just value added of central optical zone (2) refractive diopter, and nasal side functional areas are greater than the just value added of temporo side functional areas refractive diopter and are+0.25D～+ 1.00D.
The He Niece functional areas, nasal side functional areas of this lens are prepared as single district ametropia lens, nasal side functional areas refractive diopter just value added, according to the retinal periphery relativity refractive diopter average preparation of 20 ° of temporo sides, 30 ° and 40 °, temporo side functional areas refractive diopter just value added, according to the retinal periphery relativity refractive diopter average preparation of 20 ° of nasal sides, 30 ° and 40 °.
The He Niece functional areas, nasal side functional areas of this lens are prepared as single district ametropia lens, nasal side functional areas refractive diopter just value added, according to the retinal periphery relativity diopter numerical value preparation of 30 ° of temporo sides, temporo side functional areas refractive diopter just value added, according to the retinal periphery relativity diopter numerical value preparation of 30 ° of nasal sides.
3 district's ametropia lens are prepared in the He Niece functional areas, nasal side functional areas of this lens, horizontal radial line (HM) length of central optical zone is 10mm～16mm, N1 and T1 are 10mm～14mm apart from optical centre, N2 and T2 are 16mm～20mm apart from optical centre, N3 and T3 are 22mm～30mm apart from optical centre, the just value added of N1 refractive diopter is+0.10D～+ 0.70D that the just value added of N2 refractive diopter is+0.90D～+ 2.00D that the just value added of N3 refractive diopter is+2.20D～+ 3.00D.The just value added of T1 refractive diopter is+0.20D～+ 0.60D that the just value added of T2 refractive diopter is+0.80D～+ 1.30D that the just value added of T3 refractive diopter is+1.50D～+ 2.00D.Total just value added always just value added+0.10D～+ 1.50D that is greater than T1, T2, T3 refractive diopter of N1, N2, N3 refractive diopter.Central optical zone and N1 or T1, next region is sneaked in the smooth-going transition of refractive diopter between N1, N2, N3 or T1, T2, T3 region completely.
The He Niece functional areas, nasal side functional areas of this lens are prepared as 3 district's ametropia lens, preferably selecting the just value added of N1 refractive diopter is+0.20D～+ 0.60D, the just value added of N2 refractive diopter is+1.00D～+ 1.90D, the just value added of N3 refractive diopter is+2.30D～+ 2.80D, the just value added of T1 refractive diopter is+0.30D～+ 0.50D, the just value added of T2 refractive diopter is+0.90D～+ 1.20D, the just value added of T3 refractive diopter is+1.60D～+ 1.80D, N1, N2, the always just value added T1 that is greater than of N3 refractive diopter, T2, the always just value added+0.25D～+ 1.00D of T3 refractive diopter,
The He Niece functional areas, nasal side functional areas of this lens are prepared as 3 district's ametropia lens, N1 is according to the retinal periphery relativity diopter numerical value preparation of 20 ° of temporo sides, N2 is according to the retinal periphery relativity diopter numerical value preparation of 30 ° of temporo sides, N3 is according to the retinal periphery relativity diopter numerical value preparation of 40 ° of temporo sides, T1 is according to the retinal periphery relativity diopter numerical value preparation of 20 ° of nasal sides, T2 is according to the retinal periphery relativity diopter numerical value preparation of 30 ° of nasal sides, and T3 is according to the retinal periphery relativity diopter numerical value preparation of 40 ° of nasal sides.
The He Niece functional areas, nasal side functional areas of this lens are prepared as progressive ametropia lens, rise along the horizontal radial line of optical centre (HM), from central optical zone and nasal side functional areas or temporo side functional areas intersection, till eyeglass visual field nasal side and temporo lateral margin, progressively increase according to the just value added number of degrees, be prepared into progressive refractive diopter eyeglass.
Time prepared by this lens, He Niece functional areas, nasal side functional areas will meet following 4 indexs: at least functional areas apart from optical centre 15mm～20mm, at least functional areas occupy respectively 90 ° of-180 ° of azimuth coverages of eyeglass visual field, at least prepare with respect to central optical zone (2) refractive diopter positive value for+0.50D～+ 2.00D, at least nasal side functional areas (3) be greater than temporo side functional areas (4)+0.10D～+ 1.50D.
The present invention's beneficial effect compared with prior art:
1, myopia nasal side and temporo side retinal periphery present long sight out of focus, and this out of focus refractive status also presents asymmetry, and this asymmetric out-of-focus appearance can not be eliminated or reduce to existing periphery out of focus spectacle lenses.
2, periphery out of focus spectacle lenses provided by the invention, has the nasal side of rectification and temporo side-looking nethike embrane peripheral hyperopia out of focus, also eliminates or minimizing retinal periphery asymmetry out-of-focus appearance simultaneously.
Brief description of the drawings
Fig. 1 is the schematic diagram that single district ametropia lens is prepared in He Niece functional areas, nasal side functional areas;
Fig. 2 is the schematic diagram that 3 district's ametropia lens are prepared in He Niece functional areas, nasal side functional areas;
Fig. 3 is the schematic diagram that progressive ametropia lens is prepared in He Niece functional areas, nasal side functional areas;
Fig. 4 be central optical zone be-the He Niece functional areas, nasal side functional areas of 3.00D are prepared as single district ametropia lens embodiment schematic diagram;
Fig. 5 be central optical zone be-the He Niece functional areas, nasal side functional areas of 3.00D are prepared as 3 district ametropia lens embodiment schematic diagram;
Fig. 6 is-0 ° of the bathomorphic retinal centre of 3.00D and 20 °, 30 °, 40 ° dioptrometry schematic diagram datas of retinal periphery.
In figure: 1 lens; 2 central optical zones; 3 nasal side functional areas; 4 temporo side functional areas; 5 transition regions; 6 plano lenses; 7 concace mirror lens; 8 convex lens sheets.
Symbol: HM: horizontal radial line (Horizontal Meridian); VM: vertical radial line (Vertical Meridian); N: nasal side (Nasal Local); N1: nasal side the firstth district; N2: nasal side Second Region; N3: nasal side San district; T: temporo side (Temporal Local); T1: temporo side the firstth district; T2: temporo side Second Region; T3: temporo Ce 3rd district; NR: nasal retina (Nasal retina); TR: temporo side-looking nethike embrane (Temporal Retina); PA: progressive increase (Progressive Addition).
Embodiment
Term connotation in this instructions:
The relative dioptric of periphery (Relative peripheral refraction; RPR) refer to the refractive status of the each field-of-view angle of retinal periphery with respect to central fovea, refer to the difference of spherical equivalent refraction and the center recess of each peripheral visual field angle.
Retina out of focus refers to that light out-focus is on retina, be divided into retinal centre out of focus and retinal peripheral defocusing, out of focus is divided into again front out of focus and rear out of focus, front out of focus refers to that light focusing is before retina, also referred to as Myopia out of focus, rear out of focus refers to that light focusing is after retina, also referred to as long sight out of focus.
Just value addedly refer to that nasal side functional areas or temporo side functional areas are with respect to central optical zone refractive diopter addition, in other words, on the refractive diopter basis of central optical zone, add the convex lens number of degrees, because be the relative convex lens sheet number of degrees, therefore be called just value addedly, also can be popularly called and add light.The just value added rectification of nasal side functional areas or temporo side functional areas, belongs to positive refractive power and corrects, adds multiplying power rectification.The just value added amount of nasal side and temporo side functional areas is between+0.10D～+ 3.00D scope.Just value added is not the actual refraction number of degrees of nasal side functional areas or temporo side functional areas, is with respect to adding luminosity number on refractive diopter basis, central optical zone.Nasal side functional areas are just value added can be described as that nasal side adds light value, temporo side functional areas positive value is called temporo side and adds light value.The just value added temporo side functional areas positive value+0.10D～+ 1.50D that is greater than in nasal side functional areas, its objective is and correct retinal periphery dioptric asymmetry, applies larger positive value and corrects corresponding temporo side-looking nethike embrane peripheral hyperopia out of focus.Just value addedly measure calculating with+0.01D.
Bathomorphic retinal periphery refractive status, nasal side and temporo side present asymmetry, also can be described as asymmetric out of focus.Utilize difference just value added, can make this relativity peripheral refraction asymmetry eliminate or reduce.Myopia retinal periphery relative hypermetropia out of focus, property relevant to eyeball axle position, also increase from 10 °, 20 °, 30 ° to 40 ° periphery relativity refractive diopters thereupon, just value addedly also must or increase from T1, T2, T3 from N1, N2, N3, to correcting corresponding axle position dioptric out-of-focus appearance thereupon.
Lens refers to hard optical frame lens or pastes the lens that overlays on it.Hard optical frame lens is divided into resin eyeglass and glass eye eyeglass, preferably selects resin eyeglass, and eyeglass can be prepared different refractivity or radiation proof eyeglass, adopts outer minute surface or interior machining eyeglass.Within lens can be installed on the primary frame of additional glasses frame, Two-layer spectacle frame of individual layer spectacle-frame, Two-layer spectacle frame.Overlay lens and refer to the membranaceous eyeglass of flexible dioptric sticking on hard optical frame lens, overlay lens (Press-on lens) also referred to as Fresnel Lenses (Fresnel lens).
Below in conjunction with accompanying drawing, lens of the present invention is described in further detail:
The periphery out of focus spectacle lenses of the asymmetric correct amount in functional areas, for hard optical frame lens or paste the lens that overlays on it, hereinafter referred to as this lens.Eyeglass visual field upside, central authorities and the downside of this lens (1) arranges the central optical zone (2) of correcting retinal centre Myopia out of focus, is prepared as plano lens (6), concace mirror lens (7).Bathomorphic upside and downside retinal periphery present Myopia out of focus, near-sighted eyeball is increased, without any inducing action, central optical zone (2) are contained in to upside and the downside of eyeglass visual field, both meet eye peripheral refraction state, expanded again central field of vision scope.Central optical zone (2) is prepared as plano lens (6), object be for father and mother both sides or a side be bathomorphic normal visual acuity designed for children, central optical zone (2) plano lens (6) does not affect central vision, wear this lens when near, corresponding retinal periphery relative hypermetropia out of focus can be corrected in nasal side functional areas (3) and temporo side functional areas (4), and prevention and control myopia occur.
Eyeglass visual field nasal side arranges the nasal side functional areas (3) of correcting temporo side-looking nethike embrane peripheral hyperopia out of focus, is prepared as with respect to the just value added of central optical zone (2) refractive diopter to be+0.10D～+ 3.00D.Eyeglass visual field temporo side arranges the temporo side functional areas (4) of correcting nasal retina peripheral hyperopia out of focus, is prepared as with respect to the just value added of central optical zone (2) refractive diopter to be+0.20D～+ 2.00D.The functional areas of eyeglass visual field are provided with respectively to nasal side functional areas (3) and temporo side functional areas (4), and selective directly for nasal side and the rectification of temporo side-looking nethike embrane peripheral hyperopia out of focus, rectification effect is more definite.Function distinguishing is nasal side and territory, temporo lateral areas, can also adopt non-equivalent refractive diopter to correct, and avoids producing antimetropia, eliminates or reduces the asymmetric refractive status of bathomorphic retinal periphery.The functional areas of existing periphery out of focus spectacle lenses are arranged on 360 ° of scopes of eyeglass visual field, adopt equal refractive diopter to correct, and cannot eliminate or reduce the asymmetric refractive status of bathomorphic retinal periphery, also can produce antimetropia.The rectification curative effect of functional areas and functional areas are relevant with region refractive diopter apart from optical center distance, position angle, region, region area.
Time prepared by this lens, He Niece functional areas, nasal side functional areas will meet following 4 indexs: at least functional areas apart from optical centre 15mm～20mm, at least functional areas occupy respectively 90 ° of-180 ° of azimuth coverages of eyeglass visual field, at least prepare with respect to central optical zone (2) refractive diopter positive value for+0.50D～+ 2.00D, at least nasal side functional areas (3) be greater than temporo side functional areas (4)+0.10D～+ 1.50D.As long as reach above-mentioned four indexs at least, reach functional areas and correct effect.Nasal side functional areas (3) and temporo side functional areas (4) are prepared into semicircle or ellipse, present recessed or to outer arcuate to the arc of optical centre.
Single district ametropia lens (as Fig. 1), 3 district's ametropia lens (as Fig. 2), progressive ametropia lens (as Fig. 3) are prepared in nasal side functional areas (3) and temporo side functional areas (4).Functional areas are prepared into single district ametropia lens and refer to that there is a constant refractive diopter region functional areas, and transition region (5) combine together refractive diopter gradual change between central optical zone (2) and functional areas.
3 ametropia lens or more than 3 ametropia lens of preparation are prepared in functional areas, refer between central optical zone (2) and functional areas, between regional by 2mm or are wider than the region of 2mm, and refractive diopter gradual change between its region is combined together.
Functional areas are prepared progressive ametropia lens and are referred to and utilize existing progressive multi-focus lens preparation technology, and from central optical zone, (2), to nasal side and territory, temporo lateral areas, according to positive value, preparation is similar to nasal side and temporo side progressive lenses.
It is just value added that difference is prepared in nasal side functional areas (3) and temporo side functional areas (4), nasal side functional areas (3) are greater than temporo side functional areas (4) just value added+0.10D～+ 1.50D, is prepared as plano lens (6), concace mirror lens (7), convex lens sheet (8).According to the corresponding retina refraction in eyeglass visual field, the corresponding temporo side-looking in nasal side functional areas (3) nethike embrane periphery position, temporo side retinal periphery presents relatively large relative hypermetropia out of focus, nasal side functional areas (3) preparation is greater than to the just value added refractive diopter in temporo side functional areas (4) corrects, both can correction of myopia nasal side temporo side retinal periphery relative hypermetropia out of focus, can eliminate again peripheral refraction asymmetrical state.
Nasal side functional areas (3) and the temporo side functional areas (4) of this lens (1) are prepared as single district ametropia lens, and horizontal radial line (HM) length of central optical zone (2) is 10mm～30mm.Horizontal footpath line length and the central field of vision scope of central optical zone (2) have Close relation, the line length too small central field of vision that causes in horizontal footpath is relatively narrow, the excessive functional areas scope that affects again, adjusts the horizontal footpath line length of central optical zone (2) by transition region (5).Between central optical zone (2) and nasal side functional areas (3) and temporo side functional areas (4), be prepared with transition region (5), transition region (5) is according to+0.25D～+ 0.50D incremental change, within central optical zone (2) are sneaked into nasal side functional areas (3) and temporo side functional areas (4) completely.
Nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, preferably selecting nasal side functional areas (3), to be prepared as with respect to the just value added of central optical zone (2) refractive diopter be+0.75D～+ 2.50D, temporo side functional areas (4) are prepared as with respect to the just value added of central optical zone (2) refractive diopter, and nasal side functional areas (3) are greater than the just value added of temporo side functional areas (4) refractive diopter and are+0.15D～+ 1.25D.More preferably selecting nasal side functional areas (3), to be prepared as with respect to the just value added of central optical zone (2) refractive diopter be+1.00D～+ 2.00D, temporo side functional areas (4) are prepared as with respect to the just value added of central optical zone (2) refractive diopter, nasal side functional areas (3) are greater than the just value added of temporo side functional areas (4) refractive diopter
The rectification number of degrees of functional areas are according to retinal periphery relativity refractive diopter, also according to the retinal periphery relativity refractive diopter of 20 °, 30 °, 40 ° of nasal side and temporo sides.Retinal periphery refractive diopter can adopt the visual field infrared ray automatic optometry unit of windowing to measure, and conventionally applies Grandseiko wam-5500 type apparatus measures.Method is: 7 some position refractive diopters measuring respectively 20 °, 30 °, 40 ° of the horizontal radial lines of 0 ° of central retina, temporo side-looking nethike embrane and nasal retina.To record 20 ° of retinal periphery, 30 °, 40 ° relativity diopter numerical value, among the design of the following eyeglass of substitution visual field, retinal periphery relativity diopter numerical value can be individual measurement result, can be also the average of colony's measurement result, and does not affect the technique effect that this design produces.
When this lens (1) nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, nasal side functional areas (3) refractive diopter just value added, according to the retinal periphery relativity refractive diopter average preparation of 20 ° of temporo sides, 30 ° and 40 °, temporo side functional areas (4) refractive diopter just value added, according to the retinal periphery relativity refractive diopter average preparation of 20 ° of nasal sides, 30 ° and 40 °.For example: the bathomorphic retinal periphery refractive diopter of-3.00D is measured (as Fig. 6): the retinal periphery relativity refractive diopter average of 20 °, 30 ° of nasal sides and 40 ° is+1.02D, the retinal periphery relativity refractive diopter average of 20 °, 30 ° of temporo sides and 40 ° is+1.25D.
Nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, nasal side functional areas (3) refractive diopter just value added, can also be according to the retinal periphery relativity diopter numerical value preparation of 30 ° of temporo sides, temporo side functional areas (4) refractive diopter just value added, according to the retinal periphery relativity diopter numerical value preparation of 30 ° of nasal sides.For example: the bathomorphic retinal periphery refractive diopter of-3.00D is measured (as Fig. 6): the retinal periphery relativity refractive diopter that nasal side is 30 ° is+0.94D that the retinal periphery relativity refractive diopter that temporo side is 30 ° is+1.10D.
Here illustrate: the dioptrometry of retinal periphery relativity is the dioptric value of a retina point, conventionally by within the diameter 10mm of periphery out of focus spectacle lenses visual field or radius 5mm, be considered as corresponding 10 ° of central retinas, within diameter 20mm or radius 10mm, be considered as corresponding 20 ° of peripheral retinas, within diameter 30mm or radius 15mm, be considered as corresponding 30 ° of peripheral retinas, within diameter 40mm or radius 20mm, be considered as corresponding 40 ° of peripheral retinas.Although, N1, T1, N2, T2, N3, T3 and above-mentioned eyeglass field number or radius, have certain similarities and differences.Functional areas scope design is an opposed area scope design, is not a focus point design, as long as meet following designing requirement, still can reach functional areas and correct object, obtains effective rectification effect.
3 district's ametropia lens are prepared in this lens (1) nasal side functional areas (3) and temporo side functional areas (4), and horizontal radial line (HM) length of central optical zone (2) is 10mm～16mm.N1 and T1 are 10mm～14mm apart from optical centre, and N2 and T2 are 16mm～20mm apart from optical centre, and N3 and T3 are 22mm～30mm apart from optical centre.The just value added of N1 refractive diopter is+0.10D～+ 0.70D that the just value added of N2 refractive diopter is+0.90D～+ 2.00D that the just value added of N3 refractive diopter is+2.20D～+ 3.00D.The just value added of T1 refractive diopter is+0.20D～+ 0.60D that the just value added of T2 refractive diopter is+0.80D～+ 1.30D that the just value added of T3 refractive diopter is+1.50D～+ 2.00D.Total just value added always just value added+0.10D～+ 1.50D that is greater than T1, T2, T3 refractive diopter of N1, N2, N3 refractive diopter.
Just value added from the just value added N1 of being greater than of just value added illustrating: T1 of the refractive diopter of N1 and T1, but just value added T2 and the T3 of being obviously greater than again of N2 or N3, this also illustrates, nasal side and temporo side retinal periphery relativity dioptric are in asymmetry, even at 20 ° of homonymies, 30 ° and 40 ° of relativity dioptrics also in asymmetric, T1 and N1 are just value added is only the slow transition of refractive diopter, and the corrected zone in major function district is N2, N3 and T2, T3, just can guarantee functional areas rectification effect.Total just value added always just value added+0.50D～+ 1.00D that is greater than T1, T2, T3 refractive diopter of N1, N2, N3 refractive diopter.Central optical zone (2) and N1 or T1, next region is sneaked in the smooth-going transition of refractive diopter between N1, N2, N3 or T1, T2, T3 region completely.Between two regions, leave at least middle transition region of 2mm, illustrate: N1 is 14mm apart from optical centre ultimate range, N2 is 16mm apart from optical centre minor increment, has the middle transition region of 2mm at least, smooth-going N1 refractive diopter transition can be sneaked among N2 refractive diopter completely.
Nasal side functional areas (3) and temporo side functional areas (4) are prepared as 3 district's ametropia lens, preferably selecting the just value added of N1 refractive diopter is+0.20D～+ 0.60D, the just value added of N2 refractive diopter is+1.00D～+ 1.90D, the just value added of N3 refractive diopter is+2.30D～+ 2.80D, the just value added of T1 refractive diopter is+0.30D～+ 0.50D, the just value added of T2 refractive diopter is+0.90D～+ 1.20D that the just value added of T3 refractive diopter is+1.60D～+ 1.80D.Preferably select the total just value added T1 of being greater than, the T2 of N1, N2, N3 refractive diopter, the always just value added+0.25D～+ 1.00D of T3 refractive diopter,
Nasal side functional areas (3) and temporo side functional areas are prepared as 3 district's ametropia lens, N1 is according to the retinal periphery relativity diopter numerical value preparation of 20 ° of temporo sides, N2 is according to the retinal periphery relativity diopter numerical value preparation of 30 ° of temporo sides, and N3 is according to the retinal periphery relativity diopter numerical value preparation of 40 ° of temporo sides.T1 is according to the retinal periphery relativity diopter numerical value preparation of 20 ° of nasal sides, and T2 is according to the retinal periphery relativity diopter numerical value preparation of 30 ° of nasal sides, and T3 is according to the retinal periphery relativity diopter numerical value preparation of 40 ° of nasal sides.
This lens (1) nasal side functional areas (3) and temporo side functional areas (4) are prepared as progressive ametropia lens, rise along the horizontal radial line of optical centre (HM), from central optical zone (2) and nasal side functional areas (3) or temporo side functional areas (4) intersection, till eyeglass visual field nasal side and temporo lateral margin, progressively increase according to the just value added number of degrees, be prepared into progressive many ametropia lens.
Taking-3.00D myopia as example, by be prepared as-3.00D of central optical zone (2), nasal side functional areas (3) and temporo side functional areas (4) are prepared as to single district ametropia lens and 3 district's ametropia lens below:
The periphery out of focus spectacle lenses of preparation Wei Dan district, functional areas ametropia lens: be prepared as-3.00D of central optical zone (2), be prepared as-1.75D of nasal side functional areas (3), corresponding rectification temporo side retinal periphery relativity+1.25D refractive diopter, be prepared as-2.00D of temporo side functional areas (4), corresponding rectification nasal retina periphery relativity+1.00D refractive diopter (as Fig. 4).This embodiment: nasal side functional areas positive value is+1.25D, temporo side functional areas positive value is+1.00D, nasal side functional areas are just value added be greater than temporo side functional areas just value added+0.25D.
Preparation functional areas are the periphery out of focus spectacle lenses of 3 district's ametropia lens: be prepared as-3.00D of central optical zone (2), be prepared as-2.84D of N1, corresponding rectification refractive diopter is+0.16D, be prepared as-1.90D of N2, corresponding rectification refractive diopter is+1.10D, be prepared as-0.51D of N3, corresponding rectification refractive diopter is+2.49D, be prepared as-2.55D of T1, corresponding rectification refractive diopter is+0.45D, be prepared as-2.06D of T2, corresponding rectification refractive diopter is+0.94D, be prepared as-1.34D of T3, corresponding rectification refractive diopter is+1.66D (as Fig. 5).This embodiment: nasal side functional areas are always just value added is+3.65D, temporo side functional areas are always just value added is+3.05D, nasal side functional areas are the just value added always value added+0.50D of temporo side functional areas that is greater than always.Nasal side functional areas are just adding average for+1.22D, and temporo side functional areas are just adding average for+1.02D, nasal side functional areas are just value added be greater than temporo side functional areas just value added+0.2,0D.The just value added of N2 be+1.10D, and the just value added of T2 be+0.94D, and it is+0.16D that N2 is greater than T2 just value added.
Be below-the bathomorphic retinal periphery refractive diopter measurement of 3.00D: 0 ° of refractive diopter of central area is-3.00D, nasal retina periphery relativity dioptric: 20 ° are+0.45D, 30 ° are+0.94D, 40 ° are+1.66D, temporo side retinal periphery relativity dioptric: 20 ° are+0.16D, 30 ° are+1.10D, and 40 ° are+2.49D (as Fig. 6).
Above-mentioned-3.00D myopia is example, functional areas are prepared as the periphery out of focus spectacle lenses of single district ametropia lens or 3 district's ametropia lens, all rectifiable retinal periphery long sight out of focus, also can eliminate or reduce simultaneously retinal periphery relativity dioptric asymmetrical state, make retinal periphery dioptric more focus on retina.
The asymmetrical state of retinal periphery long sight out of focus can not be eliminated or reduce to existing periphery out of focus spectacle lenses, also increases the weight of or produce retinal periphery antimetropia.The utility model adopts part, the regioselectivity theory of retinal peripheral defocusing, functional areas are designed in eyeglass visual field nasal side and temporo side, again according to myopia retinal periphery relativity dioptric asymmetrical state, by the just value added employing inequality principle of nasal side and temporo side functional areas, reach and correct retinal periphery long sight out of focus, eliminate again or reduce retinal periphery relativity dioptric asymmetrical state, have the visual field broad, wear comfortable, without technical advantages such as antimetropia generation, determined curative effects.Periphery out of focus spectacle lenses of the present invention, produces unforeseeable technique effect, has outstanding substantive distinguishing features and the progress of conspicuousness.
Finally should illustrate: the shape of central optical zone, the He Niece functional areas, nasal side functional areas that this instructions is described, size, just value added etc. changes and amendment.For example: horizontal radial line (HM) length of the central optical zone of Jiang Dan district ametropia lens is contracted to 8mm, is extended to 34mm; Or: horizontal radial line (HM) length of the central optical zone of 3 district's ametropia lens is contracted to 8mm, expands 20mm; Or N1 and T1, N2 and T2, N3 and T3, apart from optical center distance, are all dwindled to 0.5mm～1.0mm, or expand 0.5mm～1.0mm, for example: N1 and T1 are 9.5mm～13.5mm apart from optical centre, and it also within the scope of the invention.
Claims (10)
1. the periphery out of focus spectacle lenses of the asymmetric correct amount in functional areas, for hard optical frame lens or paste the lens that overlays on it, its technical characterictic is: the eyeglass visual field upside of described lens (1), central authorities and downside arrange the central optical zone (2) of correcting retinal centre Myopia out of focus, be prepared as plano lens (6), concace mirror lens (7), eyeglass visual field nasal side arranges the nasal side functional areas (3) of correcting temporo side-looking nethike embrane peripheral hyperopia out of focus, be prepared as with respect to the just value added of central optical zone (2) refractive diopter and be+0.10D～+ 3.00D, eyeglass visual field temporo side arranges the temporo side functional areas (4) of correcting nasal retina peripheral hyperopia out of focus, be prepared as with respect to the just value added of central optical zone (2) refractive diopter and be+0.20D～+ 2.00D, single district ametropia lens is prepared in nasal side functional areas (3) and temporo side functional areas (4), 3 district's ametropia lens, progressive ametropia lens, it is just value added that difference is prepared in nasal side functional areas (3) and temporo side functional areas (4), nasal side functional areas (3) are greater than temporo side functional areas (4) just value added+0.10D～+ 1.50D, be prepared as plano lens (6), concace mirror lens (7), convex lens sheet (8).
2. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, horizontal radial line (HM) length of central optical zone (2) is 10mm～30mm, between central optical zone (2) and nasal side functional areas (3) and temporo side functional areas (4), be prepared with transition region (5), transition region (5) is according to+0.25D～+ 0.50D incremental change, within central optical zone (2) are sneaked into nasal side functional areas (3) and temporo side functional areas (4) completely.
3. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, nasal side functional areas (3) are prepared as with respect to the just value added of central optical zone (2) refractive diopter, temporo side functional areas (4) are prepared as with respect to the just value added of central optical zone (2) refractive diopter, and nasal side functional areas (3) are greater than the just value added of temporo side functional areas (4) refractive diopter and are+0.15D～+ 1.00D.
4. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, nasal side functional areas (3) are prepared as with respect to the just value added of central optical zone (2) refractive diopter, temporo side functional areas (4) are prepared as with respect to the just value added of central optical zone (2) refractive diopter, and nasal side functional areas (3) are greater than the just value added of temporo side functional areas (4) refractive diopter and are+0.25D～+ 0.75D.
5. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, nasal side functional areas (3) refractive diopter just value added, according to the retinal periphery relativity refractive diopter average preparation of 20 ° of temporo sides, 30 ° and 40 °, temporo side functional areas (4) refractive diopter just value added, according to the retinal periphery relativity refractive diopter average preparation of 20 ° of nasal sides, 30 ° and 40 °.
6. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as single district ametropia lens, nasal side functional areas (3) refractive diopter just value added, according to the retinal periphery relativity diopter numerical value preparation of 30 ° of temporo sides, temporo side functional areas (4) refractive diopter just value added, according to the retinal periphery relativity diopter numerical value preparation of 30 ° of nasal sides.
7. by lens claimed in claim 1, its technical characterictic is: 3 district's ametropia lens are prepared in described nasal side functional areas (3) and temporo side functional areas (4), horizontal radial line (HM) length of central optical zone (2) is 10mm～16mm, N1 and T1 are 10mm～14mm apart from optical centre, N2 and T2 are 16mm～20mm apart from optical centre, N3 and T3 are 22mm～30mm apart from optical centre, the just value added of N1 refractive diopter is+0.10D～+ 0.70D, the just value added of N2 refractive diopter is+0.90D～+ 2.00D, the just value added of N3 refractive diopter is+2.20D～+ 3.00D, the just value added of T1 refractive diopter is+0.20D～+ 0.60D, the just value added of T2 refractive diopter is+0.80D～+ 1.30D, the just value added of T3 refractive diopter is+1.50D～+ 2.00D, N1, N2, the always just value added T1 that is greater than of N3 refractive diopter, T2, the always just value added+0.10D～+ 1.50D of T3 refractive diopter, central optical zone (2) and N1 or T1, N1, N2, N3 or T1, T2, next region is sneaked in the smooth-going transition of refractive diopter between T3 region completely.
8. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as 3 district's ametropia lens, the just value added of N1 refractive diopter is+0.20D～+ 0.60D, the just value added of N2 refractive diopter is+1.00D～+ 1.90D, the just value added of N3 refractive diopter is+2.30D～+ 2.80D, the just value added of T1 refractive diopter is+0.30D～+ 0.50D, the just value added of T2 refractive diopter is+0.90D～+ 1.20D, the just value added of T3 refractive diopter is+1.60D～+ 1.80D, N1, N2, the always just value added T1 that is greater than of N3 refractive diopter, T2, the always just value added+0.25D～+ 1.00D of T3 refractive diopter.
9. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas are prepared as 3 district's ametropia lens, N1 is according to the retinal periphery relativity diopter numerical value preparation of 20 ° of temporo sides, N2 is according to the retinal periphery relativity diopter numerical value preparation of 30 ° of temporo sides, N3 is according to the retinal periphery relativity diopter numerical value preparation of 40 ° of temporo sides, T1 is according to the retinal periphery relativity diopter numerical value preparation of 20 ° of nasal sides, T2 is according to the retinal periphery relativity diopter numerical value preparation of 30 ° of nasal sides, T3 is according to the retinal periphery relativity diopter numerical value preparation of 40 ° of nasal sides.
10. by lens claimed in claim 1, its technical characterictic is: described nasal side functional areas (3) and temporo side functional areas (4) are prepared as progressive ametropia lens, rise along the horizontal radial line of optical centre (HM), from central optical zone (2) and nasal side functional areas (3) or temporo side functional areas (4) intersection, till eyeglass visual field nasal side and temporo lateral margin, progressively increase according to the just value added number of degrees, be prepared into progressive refractive diopter eyeglass.
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| CN201410327741.0A CN104090380A (en) | 2014-07-04 | 2014-07-04 | Peripheral out-of-focus frame eyeglass lens with functional area asymmetric correction quantity |
| PCT/CN2015/000450 WO2016000440A1 (en) | 2014-07-04 | 2015-06-25 | Peripherally defocused frame glasses lens having functional areas of asymmetric corrections |
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| CN201410327741.0A CN104090380A (en) | 2014-07-04 | 2014-07-04 | Peripheral out-of-focus frame eyeglass lens with functional area asymmetric correction quantity |
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| WO (1) | WO2016000440A1 (en) |
Cited By (3)
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| WO2016000440A1 (en) * | 2014-07-04 | 2016-01-07 | 段亚东 | Peripherally defocused frame glasses lens having functional areas of asymmetric corrections |
| CN114994951A (en) * | 2021-10-22 | 2022-09-02 | 温州医科大学 | Spectacle lens and frame glasses |
| CN114994948A (en) * | 2022-07-19 | 2022-09-02 | 欧普康视科技股份有限公司 | Frame spectacle lens |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114391121B (en) * | 2019-09-12 | 2024-03-26 | 香港理工大学 | Lenses and methods for slowing progression of myopia |
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| US20100296058A1 (en) * | 2007-04-27 | 2010-11-25 | The Institute For Eye Research Limited | Determination of optical adjustments for retarding myopia progression |
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| WO2016000440A1 (en) | 2016-01-07 |
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