CN203786418U - Peripheral defocus eyeglasses with wide field for myopia - Google Patents

Abstract

The utility model relates to a pair of peripheral defocus eyeglasses with a wide field for myopia and belongs to health glasses. The field of the central optic zone of existing peripheral defocus eyeglasses is relatively narrow, so that the pair of existing peripheral defocus eyeglasses does not meet the physiological optical demand of eyes. According to the eyeglasses provided by the utility model, the central optical zone is prepared on a vertical radial line along the optical center, the upper fan section is an upward field angle, the middle part is divided into an inward arc shape or an outward arc shape, the lower side fan section is a downward field angle and the central optical zone is prepared into a plano lens or a concave lens; central optical nasal side and bitamporal side on the horizontal radian line along the optical center are prepared in the nasal side function region and the bitamporal side function region, and are prepared into a plano lens, a concave lens or a convex lens. The pair of eyeglasses used for correcting peripheral hypermetropic defocuse on itamporal retina and nasal side retina and controlling increase of myopic eyeballs has a wide field and good wearing compliance, meets the physiological optical demand of eyes and effectively prevents and controls myopic eyes of children and teenagers.

Description

A kind of wide visual field myopia periphery out of focus lens

Technical field

The utility model relates to optometric technology field, and a kind of two-region myopia periphery out of focus spectacle lenses of correcting temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus is provided, and applies for prevention and control children myopia.

Background technology

MA now: the eyeball growth of children myopia is relying on retinal peripheral defocusing regulation and control, and retinal periphery long sight out of focus promotes eyeball to increase, and corrects retinal periphery long sight out of focus, can control near-sighted eyeball growth.The monochromatic light concace mirror lens of conventional myopic glasses, two light concace mirror lens and progressive multi-focus lens, correcting before retinal centre in out of focus, lens periphery position concace mirror lens increases retinal periphery long sight out of focus, promotes eyeball to increase, promote that the myopia number of degrees increase.

Smith EL in original invention in 2005 periphery out of focus spectacle lenses (Peripheral defocus eyeglasses), Chinese patent title: for the eyeglass of myopia correction, the patent No.: 2006800441239, the open central optical zone of this patent is positive circular periphery out of focus lens.Another Chinese patent title: ophthalmic lens element, the patent No.: 2008801159183, the open central optical zone of this patent is horizontal oval shaped perimeters out of focus lens, this patent is by German Ka Er Zeiss optics, release first periphery out of focus spectacle lenses of the whole world on August 24th, 2010, commodity Zeiss by name becomes permanently happy (myovi sion ^tM) eyeglass.Zeiss becomes permanently happy lens, so far 8 countries and regional sale such as China.Chinese patent also discloses other periphery out of focus lens application: 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.: ZL2012205833037.The periphery out of focus frame eyeglasses that existing market is sold also has: Roc optics depending on the special excellent times of visor sheet of protecting eyeglass, looking at enlightening optics.

Patent and the sell goods of above-mentioned periphery out of focus spectacle lenses, be that periphery functional areas are designed to 360 ° of all-round scopes, is called whole district's periphery out of focus lens herein.Central optical zone is arranged on to eyeglass centre, and optics visual field is relatively narrow, almost without there being the optics visual field of watching attentively up and down, must complete dynamic vision by the athleticism of bowing when near, just as glaucomatous " tubular visual field ".This periphery out of focus lens that has tunnel vision, easily cause many symptoms such as visual fatigue, dizziness, during to nasal side and the pan of temporo side, particularly significantly (confirm document 1: Chen Zhi: wear middle perimembranous and add peripheral refraction degree and the compliance analysis after light design eyeglass, Chinese Journal of Ophthalmology And Otorhinolaryngology, 2012; 12 (4): 216-218).

Up-to-date medical research is found: the relative dioptric of myopia retinal periphery, horizontal radial line is asymmetric with vertical radial line, the temporo side-looking nethike embrane of horizontal radial line and nasal retina show peripheral hyperopia out of focus, induction eyeball increases, and the upside retina of vertical radial line and downside retina demonstration Myopia out of focus can not increase any inducing action to eyeball.

Berntsen DA is to 192 routine myopia children, four relative dioptrometries of quadrant retinal periphery, tracing study in 17 months by a definite date.Measurement result: the relative dioptric of horizontal radial line periphery shows long sight out of focus, and 30 ° of nasal retinas are+0.56 ± 0.59DS; 30 ° of temporo side-looking nethike embranes are+0.61 ± 0.77DS, and the relative dioptric of vertical radial line periphery shows Myopia out of focus, and 30 ° of upside retinas are-0.36 ± 0.92DS; 20 ° of downside retinas are-0.48 ± 0.83DS (cited literature 2 1:Berntsen DA:Study of Theories about Myopia Progression (STAMP) Design and Baseline Data, Optom Vis Sci, 2010; November; 87 (11): 823-832; Cited literature 2 2:AtchiSon DA:Peripheral refraction along the horizontal and vertical visual fields in myopia, Vision Res, 2006; 46:1450-1458; Cited literature 2 3:Myrowitz EH:Juvenile myopia progression, risk factors and interventions, Saudi Journal of Ophthalmology, 2012:26:293-297).

Chen Xiang measures with 20 °, 30 °, 40 ° relative dioptrics of periphery of 42 routine adult China 40 routine children, measures temporo side-looking nethike embrane, nasal retina, upside retina and four quadrants of downside retina.Measurement result: the relative dioptric of horizontal radial line periphery shows long sight out of focus, the relative dioptric of vertical radial line periphery shows Myopia out of focus (cited literature 2: Chen X:Characteristics of peripheral refractive errors of myopic and non-myopic Chinese eyes, Vision Res, 2010:50:31-35).

The temporo side-looking nethike embrane dioptric relative to nasal retina periphery of horizontal radial line shows long sight out of focus, admitted by ophthalmic industry.Ophthalmic clinical studies is also only using horizontal radial line retinal periphery dioptric numerical value as the relative refractive status of periphery, and do not do any measurement for vertical radial line retinal periphery refractive status, following list of references is also quoted this argument as proof: 1, Dai Yusen: children with myopia is worn the peripheral refraction research after monochromatic light mirror, international ophthalmology magazine, 2013,13 (2): 399-341.2, Chen Zhi: the impact of different antidotes on children with ocular peripheral refraction degree, China's eye is looked light and visual science magazine, 2010,12 (1): 29-32.3, Shang Lina: frame eyeglasses is corrected the research of following peripheral dioptrometry method, China's eye is looked light and visual science magazine, 2010,12 (3): 204-208.4, Song Yanxia: Ortho-K is rescued the research on the impact of eye peripheral refraction, Master's thesis, 2010.5, Chen Yanxu: myopia is corrected the research of mode following peripheral refractive status, Master's thesis, 2010 in difference.6, Gong Lu: continue regulatory function and peripheral refraction under near work state and near-sighted correlation research, Master's thesis, 2010.7, Jin Yi: different adjustment stimulates servant's research of limit refractive status near the eyes, Master's thesis, 2009.

Smith EL application rhesus macaque carries out lens periphery out of focus induction experimental study, and to wear-3.00DS of experimental monkey groups frame eyeglasses, lens is divided into full visual field group and nasal visual field group, and nasal visual field is half side view field.Experimental result: it is more obvious that the retinal periphery long sight out of focus of nasal visual field group is compared full visual field group, vitreous chamber increases, axial growth.Full visual field group also produces antimetropia (hyperopic anisometropia).The retinal periphery long sight out of focus that proposes the growth of induction eyeball is local, the machine-processed (Local of regioselectivity, Regionally Selective Mechanisms), the leading eyeball of temporo side-looking nethike embrane and nasal retina increases regulation and control (cited literature 2 1:Smith EL:Effects of Local Myopic Defocus on Refractive Development in Monkeys, Optom Vis Sci, 2013; 90:1176-1186.Cited literature 2 2:Smith EL:Effects of Optical Defocus on Refractive Development in Monkeys, Evidence for Local, Regionally Selective Mechanisms, Invest Ophthalmol Vis Sci, 2010:51:3864-3873.Cited literature 2 3:Smi th EL:Hemiretinal form depri vation:evidence for local control of eye growth and refractive development in infant monkeys, Invest Ophthalmol, Vis Sci, 2009, Nov; 50 (11): 5057-5069).

Zoopery and human clinical trial studies have shown that: the peripheral hyperopia out of focus that induction eyeball increases is not all-round orientation, are that part, regioselectivity are machine-processed, are that horizontal radial line temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus induction eyeball increase.

The inventor is at the Chinese patent of front application: patent name: a kind of myopia addition peripheral defocus correction spectacles, the patent No.: 201210509562X; Patent name: a kind of full defocus correcting glasses sheet, the patent No.: 2013101483141.A kind of three district's periphery out of focus lenses are disclosed, central optical zone is arranged on to eyeglass centre and lower quadrant, periphery functional areas are arranged on minute surface upside, nasal side and temporo side quadrant, and three district's eyeglasses still exist the visual field relatively narrow, especially look territory, far field narrower.

Also have scholar's design only to correct contact lens or the Ortho-K (orthokeratology lens) of temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus.Contact lens or Ortho-K close contact cornea could obtain curative effect, bitot's patches disease and the corneal infection risk in addition brought thus.The best period that periphery out of focus is corrected is 6～12 years old, and frame eyeglasses is compared contact lens and is more adapted to children and wears, and has and wears safe ready more, to appointing eyes without there being any infringement.

Have not yet to see patent, non-patent literature and the Related product listing of two-region periphery out of focus spectacle lenses, create a kind of visual field broad, wear the periphery out of focus lens comfortable, curative effect is good, be still and fail all the time one of technical barrier succeeding.

Utility model content

The utility model object be to provide a kind of visual field broad, wear the periphery out of focus spectacle lenses comfortable, curative effect is good.

The utility model object is to be achieved by following technical proposals:

A kind of wide visual field myopia periphery out of focus lens, for framework diopter glasses sheet, hereinafter referred to as this lens.Described lens is the local two-region periphery out of focus eyeglass of correcting temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus, and minute surface visual field sets out central optical zone, nasal side functional areas, temporo side functional areas and transition region.

Central optical zone is the visual optics visual field of correcting central retina Myopia out of focus, and symmetry is arranged on along region on 270 ° of-90 ° of axis of vertical radial line of optical centre, is provided with upside fan section, center section and downside fan section.Upside fan section is subtended angle upwards, be positioned at 195 °～345 ° of minute surface periphery position clockwise direction axle positions, region, 60 °～150 °, circumference position angle, two circular arcs of center section be to optical centre recessed to arc or outwardly to outer arcuate, downside fan section is downward subtended angle, is positioned at 30 °～150 ° of minute surface periphery position clockwise direction axle positions, region, 20 °～120 °, circumference position angle.Central optical zone vertical diameter line length is 70mm～76mm, center section is 10mm～40mm along the horizontal footpath line length of optical centre, central optical zone is uninterruptedly run through upside fan section, center section and minute surface visual field, downside fan section continuously, is prepared as plano lens or concace mirror lens that refractive diopter is identical.

Corresponding temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus are corrected respectively in nasal side functional areas, temporo side functional areas.Nasal side functional areas, temporo side functional areas symmetry are arranged on along nasal side and the temporo side mirror sheet periphery position of region, central optical zone center section on 180 °～360 ° axle positions of horizontal radial line of optical centre, nasal side functional areas are arranged on and are positioned at 300 °～60 ° of minute surface periphery position clockwise direction axle positions, region, 80 °～120 °, circumference position angle, and temporo side functional areas are arranged on and are positioned at 120 °～240 ° of minute surface periphery position clockwise direction axle positions, region, 80 °～120 °, circumference position angle.He Niece functional areas, nasal side functional areas, at least rise apart from optical centre 15mm～20mm place, at least occupy ° region, circumference position angle >=90, at least prepare plano lens or concace mirror lens or convex lens sheet with respect to the difference of present+1.00DS of central optical zone refractive diopter～+ 3.00DS.

The transition region of be prepared as+0.25DS between central optical zone and He Niece functional areas, nasal side functional areas～+ 0.50DS incremental change, transition region width >=5mm, within sneaking into He Niece functional areas, nasal side functional areas completely by central optical zone.

The lens of above-mentioned preparation is symmetrical applied, regardless of left and right sides, within can being installed on arbitrarily left side or right side spectacle-frame.

This lens preferably arranges: described central optical zone center section, horizontal footpath line length along optical centre is 15mm～30mm, upside fan section is positioned at 210 °～330 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～120 °, circumference position angle, and downside fan section is positioned at 45 °～135 ° of minute surface periphery position clockwise direction axle positions, region, 30 °～90 °, circumference position angle.Circumference position angle, > downside fan section, circumference position angle, upside fan section, the horizontal footpath line length that is positioned at optical centre below 5mm～8mm is 10mm～15mm, taking the horizontal radial line along optical centre as datum line, area > downside fan section, upside fan section area, upside fan section arc length, chord length > downside fan section arc length, chord length, central optical zone optical centre is positioned on minute surface geometric center, or is positioned at minute surface geometric center top 5mm～8mm.

Nasal side functional areas are positioned at 310 °～50 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～100 °, circumference position angle, temporo side functional areas are positioned at 130 °～230 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～100 °, circumference position angle, the shape symmetry of Yu Niece functional areas, nasal side functional areas is identical, and circumference position angle, arc length, chord length equate.Described circumference position angle, > downside fan section, upside fan section >=nasal side functional areas=temporo side functional areas; Temporo side functional areas+nasal side functional areas >=upside fan section+downside fan section, He Niece functional areas, area > nasal side functional areas, central optical zone two district's area sums.Described He Niece functional areas, nasal side functional areas are set to symmetry vertically to ellipse, and described nasal side functional areas, temporo side functional areas refractive diopter are prepared according to corresponding temporo side-looking nethike embrane and the nasal retina peripheral refraction number of degrees.

The hard optical frame eyeglass preparation method of this lens is: the outer minute surface of lens and interior minute surface are prepared as aspheric surface, interior minute surface adopts numerical control eyeglass shaping lathe, carry out milling, grinding, polishing, surperficial surface shape measurement and align hone operation and be prepared from, the form accuracy that the optical point bit density of single-point milling is accurate to 0.1 μ m, freeform optics surface is that μ m, surface accuracy are that nm, luminosity are accurately 0.01DS.

Hard optical frame eyeglass is the synthetic eyeglass that contains blue-light absorbers, purple light absorbing agent, or lens surface is coated with the plated film lens of the anti-purple light radiation of anti-blue light rete.

Hard optical frame eyeglass minute surface application laser printing goes out central optical zone shaped position, the permanent concealed sign of horizontal footpath, central optical zone line length, application surface prints out joins mirror+word, upper vision area, horizontal graticule, central optical zone shaped position, eyes symmetric form eyeglass, right eye eyeglass, the provisional profiling mark of left eyeglass lens, identification during in order to making spectacles to order and assembling.

This hard optical frame eyeglass also can be prepared as asymmetric lens, and 2 °～5 ° regions are moved in the downside fan section, central optical zone of right eye eyeglass and left eyeglass lens in nasal side.

The flexible ametropia lens preparation method that overlays of this lens is: select soft clear plastic polymeric material, utilize centre spinning, cutting and grinding method or directly compression molding method prepare the flexible ametropia lens of film-form of thickness 0.5mm～2.0mm, minute surface sticking veneer is prepared with flexible-epoxy glue or through Electrostatic Absorption processing.

This lens also can be provided with central optical zone, He Niece functional areas, nasal side functional areas, and without the two-region Bifocal lenses that has transition region, each zone position, shape, size and diopter are constant.

This lens also can be prepared as local single district periphery out of focus eyeglass, minute surface visual field sets out central optical zone, optional wherein any district, transition region, nasal side functional areas He Niece functional areas at least, by nasal side functional areas or the wherein minute surface field of view in any district of temporo side functional areas, alternative by central optical zone field of view, the nasal side functional areas of setting or circumference position angle, temporo side functional areas are 90 °～180 °.

Within this lens nasal side functional areas are arranged on minute surface visual field nasal side, nose upside and nose underside area, within temporo side functional areas are arranged on minute surface visual field temporo side, temporo upside and temporo underside area.

Within this hard optical frame lens is installed on individual layer or double-layer frame spectacle-frame, central optical zone is prepared as plano lens, the lens of be prepared as+1.00DS of He Niece functional areas, nasal side functional areas～+ 3.00DS convex lens sheet, within being installed on individual layer spectacle-frame, being bathomorphic emmetropia, low myopia small hole child for father and mother one side wears when near.Central optical zone is prepared as plano lens, the lens of be prepared as+1.00DS of He Niece functional areas, nasal side functional areas～+ 3.00DS convex lens sheet, within being installed on the additional glasses frame of Two-layer spectacle, wear when near for myope, only wear at ordinary times the Two-layer spectacle frame primary frame that monochromatic light concace mirror lens is installed.Be prepared as-1.00DS of central optical zone～-8.00DS concace mirror lens, He Niece functional areas, nasal side functional areas are prepared as with respect to the plano lens of the difference of present+1.00DS of central optical zone refractive diopter～+ 3.00DS or the lens of convex lens sheet or concace mirror lens, within being installed on individual layer spectacle-frame, for myope depending on far away and wear when near.The flexible ametropia lens that overlays of this lens is pasted on hard optical frame lens surface, central optical zone is prepared as plano lens, be prepared as+1.00DS of He Niece functional areas, nasal side functional areas～+ 3.00DS convex lens sheet overlay flexible diopter glasses sheet, be pasted on hard optical frame lens surface.

The new purposes of a kind of lens, the lens that is provided with central optical zone, nasal side functional areas, temporo side functional areas and transition region is correcting new purposes in corresponding temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus, control children and adolescent myopia eyeball increases, myopia degree increases glasses.

Compared with prior art useful of the utility model:

1, the utility model has overcome having tunnel vision of the existing whole district, three district's periphery out of focus lenses, produces antimetropia, unsatisfactory curative effect, wears rear dizzy etc. the technological deficiency that occurs.

2, the utility model utilizes part, the regioselectivity mechanism of retinal periphery long sight out of focus, with a definite target in view, directly for temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus, functional areas are only designed in minute surface nasal side and temporo side-looking field, increase by 5～6 times of visual field, central optical zone areas, avoided or reduced antimetropia, improved functional areas curative effect, Uniting is taken into account in Optical Region and functional areas, reach and both meet eye physiological optics visual field needs, can meet again periphery out of focus corrected zone.

3, the utility model is international first two-region periphery out of focus spectacle lenses, have the visual field broad, wear the technical advantages such as comfortable, curative effect is excellent, play positive contribution for the healthy cause of mankind's eye, produce very big society and economic benefit.

Brief description of the drawings

Fig. 1 is that eyeground peripheral retina axis of symmetry 4 is distinguished method schematic diagram;

Fig. 2 is that minute surface surrounding visual field axis of symmetry 4 is distinguished method schematic diagram;

Fig. 3 is asymmetric lens subregion schematic diagram;

Fig. 4 is lens radial line timberline intention;

Fig. 5 is glasses bobbin position schematic diagram;

Fig. 6 is that the interior minute surface of lens and epi mirror facing cut are cut field range contrast schematic diagram;

Fig. 7 is that lens central optical zone center section is to arc schematic diagram;

Fig. 8 is that lens central optical zone center section is to outer arcuate schematic diagram;

Fig. 9 is He Niece functional areas, nasal side functional areas for vertically to oval two-region bifocals sheet schematic diagram;

Figure 10 is that the nasal side functional areas that minute surface surrounding visual field 8 is distinguished method are positioned at nasal side district schematic diagram;

Figure 11 is that the nasal side functional areas that minute surface surrounding visual field 8 is distinguished method are positioned at district and nasal side inferior segment schematic diagram on nasal side district, nasal side;

Figure 12 is lens stealth and dominant mark schematic diagram.

In figure: 1 lens; 2 central optical zones; 3 nasal side functional areas; 4 temporo side functional areas; 5 transition regions; 6 to arc; 7 to outer arcuate; 8 upside fan sections; 9 downside fan sections; 10 plano lenses; 11 concace mirror lens; 12 convex lens sheets; 13 eyeballs; 14 outer minute surfaces; 15 interior minute surfaces; 16 visual field, outer minute surface central optical zones; 17 visual field, interior minute surface central optical zones; 18 downside fan sections are moved in nasal side, and 19 vertically to ellipse; 20 arc length; 21 chord lengths; 22: join mirror+word; 23: upper vision area; 24: horizontal graticule; 25: central optical zone shaped position; 26: horizontal footpath, central optical zone line length; 27: eyes symmetric form lens; 28: right eye eyeglass; 29: left eyeglass lens.

Eyeground retina subregion symbol: CR: central retina (center retina); SR: upside retina (superior retina); IR: downside retina (inferior retina); NR: nasal retina (nasal retina); TR: temporo side-looking nethike embrane (temporal retina).

Lens 4 is distinguished Fa Jing district, radial line symbol: CV: central optic zone (center vision); SV: upper vision area (superior vision); IV: lower vision area (inferior vision); NV: nasal side vision area (nasal vision); TV: temporo side-looking district (temporal vision); HM: horizontal radial line (horizontal meridian); VM: vertical radial line (vertical meridian).

Lens 8 is distinguished Fa Jing district symbol: CL: central area (center Local); SCL: district in central authorities (superior center Local); ICL: central inferior segment (inferior center Local); NL: nasal side district (nasal Local); SNL: district on nasal side (superior nasal Local); INL: nasal side inferior segment (inferior nasal Local); TL: temporo lateral areas (temporal Local); STL: Nie Ceshang district (superior temporal Local); ITL: temporo side inferior segment (inferior temporal Local).

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.The relative dioptric of all quadrants retinal periphery is respectively: the relative dioptric of upside retinal periphery (SR-RPR), the relative dioptric of downside retinal periphery (IR-RPR), the relative dioptric of nasal retina periphery (NR--RPR), the relative dioptric of temporo side retinal periphery (TR-RPR), the relative dioptric of horizontal radial line retinal periphery (HM-RPR) comprises TR-RPR and NR-RPR, and the vertical relative dioptric of radial line retinal periphery (VM-RPR) comprises SR-RPR and IR-RPR.

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.

Lens refers to Optical blanks or is installed on the eyeglass within spectacle-frame, or refers to be pasted on the flexible ametropia lens of overlaying of spectacle lenses surface.Lens outermost minute surface is outer minute surface, is interior minute surface near the side mirror face of eyes.Spectacle lenses is divided into resin eyeglass and glass eye eyeglass, preferably selects resin eyeglass.Different refractivity, refractive diopter, sphere or aspheric surface can be prepared in lens central optical zone, preferably select 1.56 refractive index aspherical lens, minute surface is more clear, more easily, more natural.

Spectacle lenses of the present utility model overlays flexible ametropia lens and can stick on spectacle lenses within can being installed on the primary frame of additional glasses frame, Two-layer spectacle frame of individual layer spectacle-frame, Two-layer spectacle frame.Two-layer spectacle frame selection card ring type, collapsible, screw type, coupling type, clip type or magnetic adsorption, preferably select magnetic adsorption, is more suitable for children to wear.

Below in conjunction with accompanying drawing, lens subregion of the present utility model, radial line, axle position, position angle, shape, size and radius-of-curvature are described in further detail:

A kind of wide visual field myopia periphery out of focus lens, hereinafter referred to as this lens.This lens is hard optical frame lens, also for being pasted on the flexible ametropia lens that overlays on hard optical frame lens surface, for retina part, regioselectivity, shoot the arrow at the target, directly correct the eyeglass of temporo side-looking nethike embrane and nasal retina peripheral hyperopia out of focus, so be called local two-region periphery out of focus lens.

This lens overlay flexible ametropia lens (Press-on lens), also referred to as Fresnel Lenses (FreSnel lens), technology of preparing adopts the Chinese patent of the inventor in front application, patent name: a kind of retinal peripheral defocusing of correcting overlays eyeglass, the patent No.: 2013100505942; Patent name: a kind of full out of focus overlays eyeglass, the patent No.: 201302263613.

Below to overlay flexible ametropia lens preparation method: be selected from soft clear plastic polymkeric substance as overlaying flexible ametropia lens material, plastic cement is also referred to as plastics.Be selected from polycarbonate, polyimide, tygon, polyvinyl alcohol (PVA), polystyrene, Polyvinylchloride, polypropylene, polyurethane, teflon, poly-hydroxyethyl propylene methyl esters, polymethyl ethyl ester, polymethylmethacrylate, glyceral methacrylate, single condensate of cyclohexyl methyl acrylate, acrylamide, polystyrene-methyl methacrylate, propylene-styrene, polyethylene terephthalate, Polyethylene Naphthalate, in vinyl pyrrolidone, one or more overlay flexible ametropia lens material as this.Be preferably raw material from polyvinyl alcohol (PVA), polyurethane, Polyvinylchloride.Adopt centre spinning, cutting and grinding method or direct compression molding method to prepare the flexible ametropia lens of film-form of thickness 0.5mm～2.0mm, preferably prepare thickness 1.0mm.Overlay flexible ametropia lens and be prepared into diameter 70mm～76mm, to adapt to paste the spectacle lenses of different-diameter size, overlay flexible ametropia lens preparation and hard optical frame eyeglass like-identified, be convenient to cut out.

A side mirror face that overlays flexible ametropia lens is prepared with flexible-epoxy glue or after Electrostatic Absorption is processed, sticks on rear surface or the front surface of hard optical frame eyeglass, preferably sticks on rear surface.Electrostatic Absorption treatment technology is prior art, is called again corona treatment, is to utilize high-frequency high voltage at processed plastic surface corona discharge, makes it increase the higher tack in surface, can apply existing corona treatment processing.

Hard optical frame lens (1) adopts existing machining eyeglass technology to be prepared from.The outer minute surface of lens (1) (14) and interior minute surface (15) are prepared as aspheric surface.Interior minute surface (15) adopts modernization numerical control lens processing apparatus, as German Satisloh, Schneider, Optotech numerical control milling lathe, carry out milling, grinding, polishing, surperficial surface shape measurement and align hone operation and be prepared from, the form accuracy that the optical point bit density of single-point milling is accurate to 0.1 μ m, freeform optics surface is that μ m, surface accuracy are that nm, luminosity are accurately 0.01DS.Central optical zone (2) the milling contrast of comparable size, the visual field, interior minute surface central optical zone (17) is than the visual field, outer minute surface central optical zone (16), 30% (as the Fig. 6) that broaden one's vision, the visual field is broader, it is more comfortable to wear.

This lens (1) also can be prepared into radiation proof periphery out of focus eyeglass, and for containing the synthetic eyeglass of blue-light absorbers, purple light absorbing agent, or lens (1) surface is coated with the plated film lens of the anti-purple light radiation of anti-blue light rete.Blue-light absorbers is a kind of or more than one compositions in acrylate, methacrylate, acrylamide, Methacrylamide, maleate, styrene, and purple light absorbing agent is a kind of or more than one compositions in UV-234, UV-326, UV-327, UV-328, UV-329, UV-400, UV-531, UV-P.The anti-purple light radiation of anti-blue light rete is one deck in titanium dioxide layer, alundum (Al2O3) layer, indium tin oxide layer, magnesium oxide layer, one silica layer, silicon dioxide layer, tetraethoxysilane layer, diethy-aceto oxalate layer, magnesium fluoride layer, the third bronze medal layer, zirconium dioxide layer, nickel oxide layer, tungsten oxide layer or more than one deck, 7 layers～24 layers plated film are superimposed.Along with mobile phone and computer extensive popularization and application, especially children and teenager more universal, the blue ray radiation that electronic curtain produces can cause xerophthalmia, computer video terminal syndrome.Radiation proof periphery out of focus lens (1) is more adapted to children and juvenile shortsightedness crowd, reaches and corrects retinal periphery long sight out of focus and radiation proof double effect, and mirror economic benefits and social benefits, are controlled synchronous.

This lens (1) preparation method is: first on minute surface visual field, set out central optical zone (2), nasal side functional areas (3), temporo side functional areas (4) and transition region (5).There is substantial connection set Optical Region, minute surface visual field and functional areas with the mutual corresponding refraction of eyeground retina, therefore will first carry out zoning design to eyeground and minute surface.International eyeground standardization partition method, is divided into four differentiation methods and eight differentiation methods according to retinal periphery region, and wherein four differentiation methods are the most classical axis of symmetry point-scores, are also the most frequently used subregion methods.

Four differentiation methods: axis of symmetry (axis of symmetry) dividing line is an imaginary line, the axis of symmetry of the simulation imagination is taking 315 ° of-135 ° of axis and 225 ° of-45 ° of axis as benchmark, article two, axis intersects at the retinal field center of circle and minute surface visual field optical centre mutually, and two axis of symmetry mark off one by eyeground retina and are positioned at the central retina (CR) in central, circular region and four symmetrical sector regions of peripheral retina.Four sector regions are respectively: upside retina (SR), downside retina (IR), nasal retina (NR) and temporo side-looking nethike embrane (TR) (as Fig. 1).Minute surface visual field marks off a circular central optic zone (CV) that is positioned at optical centre and four quadrants and is distributed in upper vision area (SV), nasal side vision area (NV), lower vision area (IV), the temporo side-looking district (TV) (as Fig. 2) at periphery position too.Four symmetrical sector regions, refer to that circle is upper one of to be cut section figure that arc surrounded by two radiuses and radius, because shape is gained the name as a fan.According to the mutual principle of correspondence of eyeglass refraction retina, the circular corresponding central retina in central optic zone (CV) of minute surface (CR), the corresponding downside retina of upper vision area (Sv) (IR) at minute surface periphery position, minute surface nasal side vision area (NV) corresponding temporo side-looking nethike embrane (TR), the corresponding upside retina of vision area under minute surface (IV) (SR), the corresponding nasal retina in minute surface temporo side-looking district (TV) (NR).In the time of design, for the central optical zone (2) of different size or the nasal side functional areas (3) of different size and temporo side functional areas (4) are set, can change design circumference position angle, each district, different subtended angles fan section is set.Diminish as upper vision area (SV) subtended angle is become to large, lower vision area (IV) subtended angle, being designed to vision area (SV) is that large angle fan section, lower vision area (IV) are Narrow Flare Angle fan section.

Eight differentiation methods: be divided into example with minute surface, mutually to intersect with two perpendicular line and two horizontal lines, within visual field optical centre is placed in to intersection center, mark off one and be positioned at Centromedian square central area (CL), it is upper and lower, nasal side and temporo side are respectively district (SNL), nasal side inferior segment (INL), temporo lateral areas (TL), Nie Ceshang district (STL), 8 regions of temporo side inferior segment (ITL) on upper district (SCL) of central authorities, central inferior segment (ICL), nasal side district (NL), nasal side.

More approaching with eyeground retina subregion in order to make on minute surface visual field to arrange central optical zone (2), nasal side functional areas (3), temporo side functional areas (4) out, central optic zone (CV) circular design that four of minute surface visual field can be distinguished to method becomes diameter 10mm～40mm, and eight square _type layouts of distinguishing the central area (CL) of method of minute surface visual field are become to length of side 10mm～40mm.Then directly four distinguish on method minute surfaces and set out central optical zone (2), nasal side functional areas (3), temporo side functional areas (4) (as Fig. 3) what design, or central optical zone (2), nasal side functional areas (3), temporo side functional areas (4) (as Figure 10) and (as Figure 11) are set on the minute surface of eight differentiation methods.

The central optical zone (2), nasal side functional areas (3), the temporo side functional areas (4) that set out, rely on horizontal radial line (HM) and vertical radial line (VM) (as Fig. 4), and axle position and position angle (as Fig. 5) adjust Optical Region and position, functional areas, shape and size.Glasses bobbin position refers to that from lens right side horizontal position be in the of 0 °, clockwise 360 ° of points of cloth beam positions, and lens position angle refers to the angle of clockwise two the axle positions of lens.

Below the setting of central optical zone (2), nasal side functional areas (3), temporo side functional areas (4) and transition region (5) is described in greater detail:

Central optical zone (2) is for correcting the visual optics visual field of central retina (CR) Myopia out of focus, object is to guarantee the field range of central vision, especially ensure upwards, level and downward fixation range, reach specular light school district and more meet eye physiological optics needs, thus overcome and eliminated that " tubular visual field " of whole district's periphery out of focus lens bring wear compliance low, easily cause the technological deficiencies such as dizzy.Central optical zone (2) symmetry is arranged on region on the vertical radial line (VM) (270 ° of-90 ° of axis) along optical centre, is provided with upside fan section (8), center section and region, downside fan section (9).Upside fan section (8) is subtended angle upwards, be positioned at 195 °～345 ° of minute surface periphery position clockwise direction axle positions, region, 60 °～150 °, circumference position angle, two circular arcs of center section be to optical centre recessed to arc (6) (as Fig. 7) or outwardly to outer arcuate (7) (as Fig. 8), downside fan section (9) is downward subtended angle, is positioned at 30 °～150 ° of minute surface periphery position clockwise direction axle positions, region, 20 °～120 °, circumference position angle.Vertical radial line (VM) length in central optical zone (2) is 70mm～76mm, and this vertical radial line (VM) length is actual is the diameter of lens (1).Center section is 10mm～40mm along horizontal radial line (HM) length of optical centre, this horizontal radial line (HM) length has most important property in design lens (1), its length is central optical zone (2) axis field range, also be that temporo side functional areas (4) and nasal side functional areas (3) are apart from optical center distance, (HM) is too short for horizontal radial line, makes the field range of central vision too small; (HM) is long for horizontal radial line, makes functional areas scope too small, affects functional areas effect.Central optical zone (2) are uninterruptedly run through to upside fan section (8), center section and minute surface visual field, downside fan section (9) continuously.Central optical zone (2) is prepared as the plano lens that refractive diopter is identical (10) or concace mirror lens (11), during in order to making spectacles to order and assembling, selects.Central optical zone (2) is prepared as plano lens (10), and object is to wear when near for emmetropia or low myopia small hole child, or as the lens customization of additional glasses frame.

Nasal side functional areas (3), temporo side functional areas (4) are set, and object is to correct respectively corresponding temporo side-looking nethike embrane (TR) and nasal retina (NR) peripheral hyperopia out of focus.Nasal side functional areas (3), temporo side functional areas (4) symmetry are arranged on along on the horizontal radial line (HM) of optical centre, be positioned at region on 180 °～360 ° axle positions, be positioned at nasal side and the temporo side mirror sheet periphery position of central optical zone (2) center section.Nasal side functional areas (3) are arranged on and are positioned at 300 °～60 ° of minute surface periphery position clockwise direction axle positions, region, 80 °～120 °, circumference position angle, and temporo side functional areas (4) are arranged on and are positioned at 120 °～240 ° of minute surface periphery position clockwise direction axle positions, region, 80 °～120 °, circumference position angle.Can there be enough corrected zone and enough correct the number of degrees in order to ensure functional areas, in the time of design, nasal side functional areas (3) and temporo side functional areas (4) must ensure following three indexs: one is: at least rise apart from optical centre 15mm～20mm place; Another is: at least occupy ° region, circumference position angle >=90; Also having one is: at least prepare plano lens (10) or concace mirror lens (11) or convex lens sheet (12) with respect to the difference of central optical zone (2) present+1.00DS of refractive diopter～+ 3.00DS, preferably the difference of refractive diopter is+1.50DS～+ 2.00DS.Only have functional areas to reach enough areas and enough refractive diopters, just can play functional areas curative effect.Functional areas area and have substantial connection apart from distance between optical centre, apart from optical centre 15mm～20mm distance, also be interpreted as optical zone semidiameters, the radius of indication refers to the center section of central optical zone (2) here because central optical zone (2) be vertical diameter to.It is gordian technique of the present invention that functional areas arrange, functional areas are excessive, affect Optical Region apparent field area, can not overcome whole district's periphery out of focus lens the technological deficiency that has tunnel vision, functional areas are too small, equally also do not reach functional areas result for the treatment of, another important setting, be that functional areas are symmetrical arranged to region on horizontal radial line (HM),, centered by horizontal radial line (HM), symmetry distributes up and down.

Nasal side functional areas (3) and temporo side functional areas (4) are prepared on horizontal radial line (HM), and the Jing Quan height and the glasses pupil that have also shortened pre-customized glasses are high.Periphery out of focus lens is mainly for children and teenager, and the spectacle-frame that this age level is worn is compared adult, and it is less that spectacle-frame is wanted.Zeiss becomes the high 24mm of permanently happy lens requirement pupil, according to the high computing formula of pupil: pupil high (PH)=(X-34)/2+22.Extrapolating the Jing Quan that Zeiss becomes permanently happy pre-customized spectacle-frame is 38mm.The pre-customized spectacle-frame of periphery out of focus lens of the present invention, can shorten mirror circle 2mm～4mm.

The transition region (5) of be prepared as+0.25DS between central optical zone (2) and nasal side functional areas (3) and temporo side functional areas (4)～+ 0.50DS incremental change, transition region (5) width >=5mm, within sneaking into nasal side functional areas (3) and temporo side functional areas (4) completely by central optical zone (2).The incremental change of transition region (5) is the gradient and increases progressively, and the object that is designed with transition region (5) is eliminate eyeglass aberration, the eyeglass jump phenomena between central optical zone (2) and functional areas and ensure that eyeglass is more attractive in appearance.Also functional areas can be prepared into completely to transition region (5), and not lose functional areas effect.Another free-revving engine of transition region (5) is by distance between central optical zone (2) and nasal side functional areas (3) or temporo side functional areas (4), adjusts.The horizontal radial line in central optical zone (2) (HM) is grown, and what transition region (5) can be arranged is a little away from optical centre, and width suitably shortens.The horizontal radial line in central optical zone (2) (HM) is shorter, what transition region (5) can be arranged is closer from optical centre, width is suitably widened, rely on transition region (5) width to adjust distance between central optical zone (2) and nasal side functional areas (3) or temporo side functional areas (4), its functional areas are reached at least apart from optical centre 15mm～20mm place this purpose.

This lens (1) preferably select be prepared into symmetrical applied, regardless of left and right sides, within can being installed on arbitrarily left side or right side spectacle-frame.This lens (1) also can be prepared into asymmetric, and 2 °～5 ° regions (18) (as Fig. 3) are moved in the downside fan section, central optical zone (2) (9) of right eye eyeglass (R) and left eyeglass lens (L) in nasal side.Conventionally the circumference position angle in the downside fan section (9) of lens (1) is arranged between 25 °～30 °, just can meet and look near-sighted wild needs, therefore symmetrical applied be more convenient to eyeglass customization and assembling are set.

This lens (1), in preparation process, will be more preferably design as follows to its central optical zone (2), nasal side functional areas (3) and temporo side functional areas (4):

Central optical zone (2) center section of this lens (1), horizontal radial line (HM) length along optical centre is 15mm～30mm, horizontal radial line (HM) length can imagine it is the diameter of intermediate portion, this region is equivalent to eye and looks at straight in other words conj.or perhaps, central shaft range of vision, the horizontal radial line of center section (HM) length 15mm～30mm, can meet eye physiological optics visual field needs.Upside fan section (8) is positioned at 210 °～330 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～120 °, circumference position angle, and downside fan section (9) are positioned at 45 °～135 ° of minute surface periphery position clockwise direction axle positions, region, 30 °～90 °, circumference position angle.Circumference position angle, > downside fan section, circumference position angle, upside fan section (8) (9), object is to guarantee that eye has the upwards angle of direction in larger region, making it more to meet the dynamic field range of eye physiological optics needs, especially eye needs.Horizontal radial line (HM) length that is positioned at optical centre below 5mm～8mm is set to 10mm～15mm, eye is relatively little to watching field range when mobile nearby attentively from afar, this region is just in time also Optical Region and phase region in succession, functional areas, the horizontal radial line (HV) in this region is arranged shorter with respect to central optical zone (2) other zone level radial line (HV), make it suitably to shorten this zone level radial line (HM) diameter meeting under physiological optics needs prerequisite as far as possible, this horizontal radial line (HV) suitably shortens, can solve preferably the conflicting problem in region between Optical Region and functional areas.Taking the horizontal radial line (HV) along optical centre as datum line, area > downside fan section, upside fan section (8) (9) area, upside fan section (8) arc length (20), chord length (21) > downside fan section (9) arc length (20), chord length (21), this arranges object is that the subtended angle that makes upside fan section (8) strengthens relatively, area strengthens relatively, to adapt to the larger physiological optics visual field needs of eye depending on far, upwards watching attentively with level.Central optical zone (2) optical centre is positioned on minute surface geometric center, or is positioned at minute surface geometric center top 5mm～8mm.

The nasal side functional areas (3) of this lens (1) are arranged on and are positioned at 310 °～50 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～100 °, circumference position angle, and temporo side functional areas (4) are arranged on and are positioned at 130 °～230 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～100 °, circumference position angle.Nasal side functional areas (3) and circumference position angle, temporo side functional areas (4), in principle can not be lower than 90 °, it is 360 ° according to the whole circumference angle of eyeglass, according to axis of symmetry 4 differentiation methods, each region is 90 °, therefore, position angle >=90 of functional areas ° guarantee functional areas rectification effect.Take measurement of an angle to calculate according to retinal peripheral defocusing, nasal side functional areas (3) and circumference position angle, temporo side functional areas (4), can not be lower than 90 °.Owing to being symmetric design, nasal side functional areas (3) are identical with the shape symmetry of temporo side functional areas (4), and corresponding circumference position angle, arc length (20), chord length (21) also equate.Can easy measurement and evaluate out eyeglass Optical Region and functional areas scope by circumference position angle, thus convenient glasses customization and assembling process identification and judgement are applied a compasses combined with ruler and just can easyly be measured.The circumference position angle of eyeglass: > downside fan sections, upside fan section (8) >=nasal side functional areas (3)=temporo side functional areas (4) (9); Temporo side functional areas (4)+nasal side functional areas (3) >=upside fan section (8)+downside fan section (9).Area > nasal side functional areas, central optical zone (2) (3) and temporo side functional areas (4) two district's area sums, enough correct under area prerequisite guaranteeing functional areas, area design in Optical Region is become and is greater than 5～6 times of functional areas areas, still can assurance function district curative effect.The nasal side functional areas (3) of this lens (1) and temporo side functional areas (4), also can be set to symmetry vertically to oval (19) (as Fig. 9).The nasal side functional areas (3) of this lens (1), the peripheral refraction number of degrees preparation that temporo side functional areas (4) refractive diopter can also be measured according to corresponding temporo side-looking nethike embrane (TR) and nasal retina (NR).

The peripheral refraction number of degrees are measured: normally adopt the visual field infrared ray automatic optometry unit of windowing, for example Grandseiko wam-5500 type, measures respectively 7 some position refractive diopters of 20 °, 30 °, 40 ° of the horizontal radial lines of 0 ° of central retina, temporo side-looking nethike embrane and nasal retina.According to the refractive diopter customization periphery out of focus lens (1) of actual measurement, although eyeglass individuation, but periphery out of focus lens (1) is correct peripheral hyperopia out of focus or manually form peripheral myopic out of focus, as long as enough or excess+0.50DS～+ 1.00DS corrects, can reach functional areas curative effect.According to the refractive diopter customization periphery out of focus lens (1) of actual measurement, object avoids low amount to correct in addition.

For the ease of eyeglass customization and assembling, lens (1) prints off permanent and provisional mark (as Figure 12).Application laser printing goes out central optical zone shaped position (25), the permanent concealed sign of horizontal footpath, central optical zone line length (26).Application surface prints out joins mirror+word (22), upper vision area (23), horizontal graticule (24), central optical zone shaped position (25), eyes symmetric form eyeglass (D) (27), right eye eyeglass (R) (28), the provisional profiling mark of left eyeglass lens (L) (29), identification during in order to making spectacles to order and assembling.

This lens (1) can also design specific type eyeglass, but still within design concept of the present invention.Lens (1) is provided with to central optical zone (2), nasal side functional areas (3) and temporo side functional areas (4), without the two light periphery out of focus eyeglasses in the two-region that has transition region (5), each zone position, shape, size and diopter are constant, such as: by nasal side functional areas (3) and temporo side functional areas (4) be set to symmetry vertical to oval-shaped two-region two light periphery out of focus eyeglasses (as Fig. 9).This design fundamental purpose is simplification transition region (5) preparation technology, reduces the cost, and its wish is for meeting utmost point low consumption crowd needs, but visual field, Optical Region area and functional areas curative effect are not cut down.This lens (1) can also be prepared becomes local single district periphery out of focus eyeglass, minute surface visual field sets out central optical zone (2), optional wherein any district, transition region (5) of nasal side functional areas (3) and temporo side functional areas (4) at least, by nasal side functional areas (3) or the wherein minute surface field of view in any district of temporo side functional areas (4), alternative by central optical zone (2) field of view, the nasal side functional areas (3) of setting or circumference position angle, temporo side functional areas (4) are 90 °～180 °.What induction children eyeball increased is the retina of horizontal radial line, wherein main is temporo side-looking nethike embrane peripheral hyperopia out of focus, functional areas are arranged on to nasal side functional areas (3), can correct corresponding temporo side-looking nethike embrane peripheral hyperopia out of focus, but from aspect evaluations such as functional areas curative effect, eyeglass symmetrical balances, this lens (1) preparation is become to the more optimal selection of two-region periphery out of focus glasses.

Finally illustrate: lens (1) nasal side functional areas (3) are arranged on minute surface visual field nasal side, within also comprising the nose upside and nose underside area of nasal side, temporo side functional areas (4) are arranged on minute surface visual field temporo side, within also comprising the temporo upside and temporo underside area of temporo side.The largest circumference position angle in upside fan section (8) can be prepared as 150 °, the smallest circumference position angle in downside fan section (9) can be prepared as 20 °, and the smallest circumference position angle of nasal side functional areas (3) or temporo side functional areas (4) can not be less than 90 °.On the utility model design basis, central optical zone (2), nasal side functional areas (3) and the temporo side functional areas (4) that arrange can be shaped form designs, also can be linear design, as rectangle, the design of irregular shape.

The utility model is not simply by the simple adjustment of Optical Region, eyeglass visual field and functional areas scope, size, but through long-term many experiments design, to parameters such as its subregion ratio, each district shape, horizontal footpath line length, vertical diameter line length, axle position, position angles, in conjunction with clinical testing data result, through design modifying repeatedly, just reach Optical Region and Uniting is taken into account in functional areas, unique design, science design, not being the general choice of technology of affiliated technical field, is non-obvious for those skilled in the art.

The utility model has overcome having tunnel vision, produce antimetropia, unsatisfactory curative effect, wearing the technological deficiencies such as rear appearance is dizzy of the existing whole district, three district's periphery out of focus spectacle lenses.Adopt part, the selectivity mechanism latest theories of retinal peripheral defocusing, selectivity design function district targetedly,, make 5～6 times of visual field, central optical zone area changes, simultaneously ensured again the enough corrected zone in functional areas, have the visual field broad, wear comfortable, compliance is high, without technical advantages such as antimetropia generation, determined curative effect, effect are good.Wide visual field, this two-region myopia periphery out of focus lens, from lens optical visual field and functional areas curative effect, is all better than the whole district or three district's periphery out of focus lenses, has domestic and international application prospect and social utility's property, to human society and greatly contribution of the healthy generation of eye.The utility model periphery out of focus correcting technology produces unforeseeable technique effect, has outstanding substantive distinguishing features and the progress of conspicuousness.

Be below to lens design design parameter, clinical practice type of lenses, the area checking of lens optical district, clinical observation on the therapeutic effect and clinical efficacy contrast test, be described in further detail:

One, ophthalmic lens design: lens is prepared into diameter 70mm, the middle body of central optical zone, horizontal radial line along optical centre is prepared into length 10mm～40mm, upside fan section is prepared into 115 °, circumference position angle, downside fan section is prepared into 45 °, circumference position angle, and central optical zone is prepared as 0.00DS plano lens to-8.00DS concace mirror lens, and eyeglass diopter changes passs tolerance for-0.25DS, and can prepare combined column eyeglass, patient customized in order to astigmatism.Transition region width is prepared into 5mm～15mm, starts to prepare transition region from the outer rim of central optical zone, and the refractive diopter incremental change of transition region is+0.25DS.He Niece functional areas, nasal side functional areas, from starting apart from optical centre center 20mm to till lens edge 70mm, respectively be prepared into 100 °, circumference position angle, refractive diopter is with respect to plano lens, concace mirror lens, the convex lens sheet of the difference of present+2.00DS of central optical zone refractive diopter.

Two, clinical type of lenses: 1, closely with popular: central optical zone is prepared as plano lens, the lens of He Niece functional areas, nasal side functional areas be prepared as+1.50DS convex lens sheet, within being installed on individual layer spectacle-frame, wear when near for emmetropia, low myopia small hole child.2, closely use radiation proof popular style: be prepared into radiation proof spectacle lens by popular style nearly, wear when seeing the electronic curtain such as computer and mobile phone.3, additional glasses type: central optical zone is prepared as plano lens, the lens of He Niece functional areas, nasal side functional areas be prepared as+1.50DS convex lens sheet, within being installed on the additional glasses frame of Two-layer spectacle, Two-layer spectacle frame primary frame is installed monochromatic light concace mirror lens, additional glasses frame is installed on primary frame when near.4, universal: be prepared as-1.00DS of central optical zone～-8.00DS concace mirror lens, He Niece functional areas, nasal side functional areas be prepared as with respect to the difference of present+1.50DS of central optical zone refractive diopter lens, within being installed on individual layer spectacle-frame, for myope depending on far away and wear when near.5, overlay eyeglass type: central optical zone is prepared as plano lens, He Niece functional areas, nasal side functional areas be prepared as+1.S0DS convex lens sheet overlay lens, be pasted on frame-generic lens.

Three, lens optical district area measurement result contrast: 1, two-region of the present invention periphery out of focus lens: optic diameter 70mm, central optical zone center section is along the horizontal footpath of optical centre line length 20mm, and the circumference position angle sum in upside fan section and downside fan section is that 180 °, circumference position angle, He Niece functional areas, nasal side functional areas sum are 180 °.2, whole district's periphery out of focus lens (Zeiss becomes permanently happy eyeglass), optic diameter 70mm, central optical zone diameter 20mm, 360 ° of functional areas.3, computing method: area of a circle computing formula: S=π r ².Optical Region area result of calculation: two-region of the present invention periphery out of focus lens: central optical zone area=central optics center section 20mm diameter area+two 90 ° of fan section areas; Area=central optical zone, whole district's periphery out of focus lens Optical Region 20mm diameter area.4, Optical Region area contrast: the two types of eyeglasses separately total area are 3847mm ², wherein: the central optical zone total area of two-region of the present invention periphery out of focus lens is 2080mm ², the central optical zone total area of whole district's periphery out of focus lens is 314mm ², periphery out of focus lens central optical zone, two-region of the present invention area is greater than 6.625 times of whole district's periphery out of focus lens Optical Region areas.

Four, clinical observation on the therapeutic effect: clinical verification two-region periphery out of focus lens has control development impact to children myopia.

Five, clinical efficacy contrast test: in order to verify that two-region periphery out of focus spectacle lenses and whole district's periphery out of focus spectacle lenses, three district's periphery out of focus spectacle lenses affect for antimetropia, the inventor carries out Experimental Comparison, in observing and following up a case by regular visits to and carry out.

Finally should illustrate: lens shape, size that this instructions is described may have other variation and amendment, and it is also within scope of the present utility model.

Claims (9)

1. one kind wide visual field myopia periphery out of focus lens, for framework diopter glasses sheet, its technical characterictic is: described lens (1) is for correcting temporo side-looking nethike embrane (TR) and the local two-region periphery out of focus eyeglass of nasal retina (NR) peripheral hyperopia out of focus, and minute surface visual field sets out central optical zone (2), nasal side functional areas (3), temporo side functional areas (4) and transition region (5);

Central optical zone (2) is for correcting the visual optics visual field of central retina (CR) Myopia out of focus, symmetry is arranged on along region on 270 ° of-90 ° of axis of vertical radial line (VM) of optical centre, be provided with upside fan section (8), center section and downside fan section (9), upside fan section (8) is subtended angle upwards, be positioned at 195 °～345 ° of minute surface periphery position clockwise direction axle positions, region, 60 °～150 °, circumference position angle, two circular arcs of center section be to optical centre recessed to arc (6) or outwardly to outer arcuate (7), downside fan section (9) is downward subtended angle, be positioned at 30 °～150 ° of minute surface periphery position clockwise direction axle positions, region, 20 °～120 °, circumference position angle, vertical radial line (VM) length in central optical zone (2) is 70mm～76mm, center section is 10mm～40mm along horizontal radial line (HM) length of optical centre, central optical zone (2) is uninterruptedly run through upside fan section (8) continuously, center section and minute surface visual field, downside fan section (9), be prepared as the plano lens that refractive diopter is identical (10) or concace mirror lens (11),

Nasal side functional areas (3), corresponding temporo side-looking nethike embrane (TR) and nasal retina (NR) peripheral hyperopia out of focus are corrected respectively in temporo side functional areas (4), nasal side functional areas (3), temporo side functional areas (4) symmetry is arranged on along region on 180 °～360 ° axle positions of horizontal radial line (HM) of optical centre, the nasal side of central optical zone (2) center section and temporo side mirror sheet periphery position, nasal side functional areas (3) are arranged on and are positioned at 300 °～60 ° of minute surface periphery position clockwise direction axle positions, region, 80 °～120 °, circumference position angle, temporo side functional areas (4) are arranged on and are positioned at 120 °～240 ° of minute surface periphery position clockwise direction axle positions, region, 80 °～120 °, circumference position angle, nasal side functional areas (3) and temporo side functional areas (4), at least rise apart from optical centre 15mm～20mm place, at least occupy ° region, circumference position angle >=90, at least prepare plano lens (10) or concace mirror lens (11) or convex lens sheet (12) with respect to the difference of central optical zone (2) present+1.00DS of refractive diopter～+ 3.00DS,

The transition region (5) of be prepared as+0.25DS between central optical zone (2) and nasal side functional areas (3) and temporo side functional areas (4)～+ 0.50DS incremental change, transition region (5) width >=5mm, within sneaking into nasal side functional areas (3) and temporo side functional areas (4) completely by central optical zone (2);

The lens (1) of above-mentioned preparation is symmetrical applied, regardless of left and right sides, within can being installed on arbitrarily left side or right side spectacle-frame.

2. by lens claimed in claim 1, its technical characterictic is: described central optical zone (2) center section, horizontal radial line (HM) length along optical centre is 15mm～30mm, upside fan section (8) is positioned at 210 °～330 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～120 °, circumference position angle, downside fan section (9) is positioned at 45 °～135 ° of minute surface periphery position clockwise direction axle positions, region, 30 °～90 °, circumference position angle, circumference position angle, > downside fan section, circumference position angle, upside fan section (8) (9), horizontal radial line (HM) length that is positioned at optical centre below 5mm～8mm is 10mm～15mm, taking the horizontal radial line (HV) along optical centre as datum line, area > downside fan section, upside fan section (8) (9) area, upside fan section (8) arc length (20), chord length (21) > downside fan section (9) arc length (20), chord length (21), central optical zone (2) optical centre is positioned on minute surface geometric center, or be positioned at minute surface geometric center top 5mm～8mm.

3. by lens claimed in claim 1, its technical characterictic is: described lens (1) nasal side functional areas (3) are positioned at 310 °～50 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～100 °, circumference position angle, temporo side functional areas (4) are positioned at 130 °～230 ° of minute surface periphery position clockwise direction axle positions, region, 90 °～100 °, circumference position angle, nasal side functional areas (3) are identical with the shape symmetry of temporo side functional areas (4), circumference position angle, arc length (20), chord length (21) equates, described circumference position angle, > downside fan sections, upside fan section (8) >=nasal side functional areas (3)=temporo side functional areas (4) (9), temporo side functional areas (4)+nasal side functional areas (3) >=upside fan section (8)+downside fan section (9), area > nasal side functional areas, central optical zone (2) (3) and temporo side functional areas (4) two district's area sums, it is vertical to oval (19) that described nasal side functional areas (3) and temporo side functional areas (4) are set to symmetry, described nasal side functional areas (3), temporo side functional areas (4) refractive diopter is according to corresponding temporo side-looking nethike embrane (TR) and the preparation of nasal retina (NR) the peripheral refraction number of degrees.

4. by lens claimed in claim 1, its technical characterictic is: described framework diopter glasses sheet (1) is hard optical frame eyeglass, the outer minute surface of lens (1) (14) and interior minute surface (15) are prepared as aspheric surface, and the form accuracy of interior minute surface (15) freeform optics surface is that μ m, surface accuracy are that nm, luminosity are accurately 0.01DS;

Described hard optical frame eyeglass is the plated film lens that lens surface is coated with the anti-purple light radiation of anti-blue light rete;

Described hard optical frame eyeglass minute surface application laser printing goes out central optical zone shaped position (25), horizontal footpath, central optical zone line length (26), joins mirror+word (22), upper vision area (23), horizontal graticule (24);

Described hard optical frame eyeglass is asymmetric lens (1), and 2 °～5 ° regions (18) are moved in the downside fan section, central optical zone (2) (9) of right eye eyeglass (R) and left eyeglass lens (L) in nasal side.

5. by lens claimed in claim 1, its technical characterictic is: described framework diopter glasses sheet (1) is for overlaying flexible ametropia lens, select soft clear plastic polymeric material, utilize centre spinning, cutting and grinding method or directly compression molding method prepare the flexible ametropia lens of film-form of thickness 0.5mm～2.0mm, minute surface sticking veneer is prepared with flexible-epoxy glue or through Electrostatic Absorption processing.

6. by lens claimed in claim 1, its technical characterictic is: described lens (1) is provided with central optical zone (2), nasal side functional areas (3) and temporo side functional areas (4), without the two-region Bifocal lenses that has transition region (5), each zone position, shape, size and diopter are constant.

7. by lens claimed in claim 1, its technical characterictic is: described lens (1) is local single district periphery out of focus eyeglass, minute surface visual field sets out central optical zone (2), optionally wherein any district of nasal side functional areas (3) and temporo side functional areas (4) at least, transition region (5), by nasal side functional areas (3) or the wherein minute surface field of view in any district of temporo side functional areas (4), alternative by central optical zone (2) field of view, the nasal side functional areas (3) or the circumference position angle, temporo side functional areas (4) that arrange are 90 °～180 °.

8. by lens claimed in claim 1, its technical characterictic is: within described lens (1) nasal side functional areas (3) are arranged on minute surface visual field nasal side, nose upside and nose underside area, within temporo side functional areas (4) are arranged on minute surface visual field temporo side, temporo upside and temporo underside area.

9. by lens claimed in claim 1, its technical characterictic is: described framework diopter glasses sheet (1) is hard optical frame lens, within hard optical frame lens is installed on individual layer or double-layer frame spectacle-frame, central optical zone (2) is prepared as plano lens (10), the lens (1) of nasal side functional areas (3) and be prepared as+1.00DS of temporo side functional areas (4)～+ 3.00DS convex lens sheet (12), within being installed on individual layer spectacle-frame, be bathomorphic emmetropia for father and mother one side, low myopia small hole child wears when near, described central optical zone (2) is prepared as plano lens (10), the lens (1) of nasal side functional areas (3) and be prepared as+1.00DS of temporo side functional areas (4)～+ 3.00DS convex lens sheet (12), within being installed on the additional glasses frame of Two-layer spectacle, wear when near for myope, only wear at ordinary times the Two-layer spectacle frame primary frame that monochromatic light concace mirror lens is installed, described be prepared as-1.00DS of central optical zone (2)～-8.00DS concace mirror lens (11), nasal side functional areas (3) and temporo side functional areas (4) are prepared as the lens (1) with respect to the plano lens (10) of the difference of central optical zone (2) present+1.00DS of refractive diopter～+ 3.00DS or convex lens sheet (12) or concace mirror lens (11), within being installed on individual layer spectacle-frame, for myope depending on far away and wear when near, described framework diopter glasses sheet (1) is for overlaying flexible ametropia lens, overlay flexible ametropia lens and be pasted on hard optical frame lens surface, central optical zone (2) is prepared as plano lens (10), nasal side functional areas (3) and be prepared as+1.00DS of temporo side functional areas (4)～+ 3.00DS convex lens sheet (12) overlay flexible diopter glasses sheet (1), be pasted on hard optical frame lens surface.