CN209803477U - Nose temporal side peripheral out of focus lens based on eye adjustment set - Google Patents
Nose temporal side peripheral out of focus lens based on eye adjustment set Download PDFInfo
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- CN209803477U CN209803477U CN201920704930.3U CN201920704930U CN209803477U CN 209803477 U CN209803477 U CN 209803477U CN 201920704930 U CN201920704930 U CN 201920704930U CN 209803477 U CN209803477 U CN 209803477U
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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
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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
- G02C7/14—Mirrors; Prisms
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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
A nose-temporal side peripheral out-of-focus spectacle lens based on an eye adjustment set belongs to the technical field of spectacles. The existing myopia spectacle lenses can not simultaneously correct asymmetric hyperopic defocus around the retina at the temporal side of the nose of the myopia and correct eye adjustment set dysfunction. The utility model discloses lens face type sets up to four regions in nasal side treatment area, temporal side treatment area, central correction district, regulation set correction district, sets up to four types of multifocal regulation type and the peripheral out of focus lens of set type nasal temporal side, bifocal regulation type and the peripheral out of focus lens of set type nasal temporal side gradually based on the eye is adjusted the set. The spectacle lens has the functions of simultaneously correcting the asymmetric hyperopic defocusing of the periphery of the temporal retina of a myopic eye, correcting the myopic eye adjusting and gathering dysfunction, and is suitable for being worn by children and teenagers with normal, inward or outward strabismus eye positions.
Description
Technical Field
The utility model relates to the technical field of glasses, more specifically say, this kind of spectacle lens is based on correct near-sighted nose temporal side retina peripheral asymmetric hyperopia out of focus and correct interior strabismus or outer strabismus myopia spectacle lens.
Background
the prevention and control of the myopia of children and teenagers is a global social problem, and the severity of the myopia of the children and the teenagers in China shows more. The myopia correction and control device for children and teenagers mainly comprises frame glasses, and the existing myopia glasses mainly comprise a myopia peripheral out-of-focus spectacle lens, a progressive multi-focus spectacle lens and a compound triangular prism lens. The existing spectacle lens has single correction function, and no spectacle lens has three correction functions. The existing peripheral out-of-focus frame spectacle lens is a concave lens which is designed to correct the central myopic out-of-focus of the myopic eye at the central part of the spectacle lens, and a convex lens which is uniform and consistent at the peripheral part is designed. 1155 detection results of myopia of children, nose and temporal retina periphery are described in WO2012/012826 patent by ELSmith Smith of theoretical associator of peripheral defocus, the average value of temporal peripheral defocus of 40 degrees is +2.47D, the average value of nasal peripheral defocus of 40 degrees is +1.64D, and the average value difference of nasal temporal peripheral defocus is + 0.83D. The inventor measures that the peripheral defocus difference value of the nasal temporal side of an individual person is +1.25D, the peripheral equivalent convex lens is applied, the asymmetric hyperopic defocus on the nasal temporal side periphery cannot be eliminated or reduced, one side over-correction and one side under-correction are generated, and new asymmetric hyperopic defocus on the nasal temporal side periphery is generated.
At present, a spectacle lens for simultaneously correcting asymmetric hyperopic defocusing around the retina at the nasal temporal side and correcting eye regulation and correction set dysfunction is not available, and the myopia correction and control glasses for children and teenagers are still one of the technical problems in the fields of ophthalmology and glasses.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lens based on correct near-sighted eye nose temporal side retina peripheral asymmetric peripheral hyperopic out of focus and correct interior strabismus or outer strabismus myopia.
The purpose of the utility model is realized through the following technical scheme:
A nose-temporal side peripheral out-of-focus spectacle lens based on an eye adjustment set is a frame spectacle lens and is hereinafter referred to as the spectacle lens. This ophthalmic lens form includes four regions: the nose side treatment area is located the lens nose side peripheral region, is used for correcting temporal side retina periphery hyperopic out-of-focus, and the temporal side treatment area is located the lens temporal side peripheral region, is used for correcting nasal side retina periphery hyperopic out-of-focus. The central correction area is positioned in the center of the spectacle lens, extends upwards to the peripheral area of the spectacle lens and is used for correcting the central myopic defocus of retina, the central correction area customizes the central correction area power for remote distance according to the standard distance of 5m from the subjective refraction of an individual wearer, the central correction area power is customized according to the standard distance of 2m to 40cm from the subjective refraction, and the central correction area power is set to be-0.00D to-8.00D. The adjusting set correction area is positioned at the lower side area of the center of the spectacle lens, or positioned at the lower side area of the nasal side treatment area and the temporal side treatment area, or positioned at the lower side of the center of the spectacle lens and extended to the lower side area of the nasal side treatment area and the temporal side treatment area, and is used for correcting eye adjusting and set dysfunction, the diopter of the adjusting set correction area is customized according to the subjective refraction of the reference distance of 80cm to 30cm of an individual wearer, the diopter is set to be positive addition value +0.50D to +3.00D relative to the diopter of the central correction area, and four areas are set to be four different.
Four types of such ophthalmic lens are provided: the spectacle lens is set into a progressive multifocal adjusting type nasal-temporal side peripheral out-of-focus spectacle lens based on eye adjustment, a nasal side treatment area and a temporal side treatment area are positioned in a peripheral area within 8mm to 12mm of the upper side and the lower side of an optical center horizontal meridian, a central correction area and an adjusting set correction area are set into a progressive multifocal lens, a far vision area, a transition area and a near vision area are positioned on the upper side of the spectacle lens and extend to the lower peripheral area along the center, the transition area is at least positioned in an area below 8mm of the optical center vertical meridian, and an astigmatism area is positioned in the lower peripheral area of the nasal side treatment area and the temporal side treatment area. The bifocal adjusting type nasal-temporal side peripheral out-of-focus spectacle lens is set based on eye adjustment, a nasal side treatment area and a temporal side treatment area are respectively located in nasal-temporal side peripheral areas of the spectacle lens, and a central correction area and an adjusting set correction area are set to be bifocal lenses. The progressive multi-focus integrated type nose-temporal side peripheral out-of-focus spectacle lens is set based on the eye set, the near vision area of the progressive multi-focus lens is set to be a base-to-nose side triangular prism lens, or a base-to-lower side triangular prism lens, and the prism degrees are 0.3 delta to 1.5 delta, so that the thicknesses of the lenses are uniform and consistent. The bifocal integrated type nasal-temporal side peripheral out-of-focus spectacle lens is set based on an eye set, a nasal side treatment area and a temporal side treatment area are respectively located in nasal-temporal side peripheral areas of the spectacle lens, a central correction area and an adjusting integrated correction area are set to be bifocal lenses, and one to three base-to-nasal side triangular lenses and prism degrees are set to be 0.5 delta to 10.0 delta in the adjusting integrated correction area or the composite central correction area.
The nasal and temporal treatment zones of the spectacle lens each occupy a range of 90 ° to 180 ° of the peripheral circumference of the spectacle lens. The refractive power of the nasal treatment area and the temporal treatment area is set to be more than the refractive power of the temporal treatment area +0.50D +2.00D relative to the positive addition value of the refractive power of the central correction area +0.50D + 3.00D.
The central correction area of the spectacle lens is arranged in an upward opening window type and occupies a range of 90-180 degrees of the circumference of the upper side of the spectacle lens, the spectacle lens in the central correction area for the long distance is used for preparing outdoor far and middle near distance spectacles, and the spectacle lens in the central correction area for the middle distance is used for preparing indoor middle and short distance spectacles.
The progressive multifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the progressive multifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is characterized in that a transition area is at least arranged in a 9mm area below an optical center of the spectacle lens, and an astigmatism area is located in a nasal side treatment area and a temporal side treatment area.
the bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is characterized in that the upper side edge of an adjusting gathering correction area is more than 3mm away from an optical center, and the adjusting gathering correction area is vertically moved inwards towards the nasal side by a distance of 1mm to 4mm compared with the center of a central correction area.
bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens are set as three bifocal lenses of a nasal side treatment area composite adjusting set correction area, a temporal side treatment area composite adjusting set correction area and a central correction area composite adjusting set correction area, the nasal side treatment area, the temporal side treatment area and the junction of the central correction area and the adjusting set correction area are fused with the refractive power of the upper area and the lower area by progressive refractive power to form an invisible bifocal lens.
The bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is set to be in a dome shape or an arc top shape in an adjusting gathering correction area.
Bifocus set type nose temporal side periphery out of focus lens sets up the base towards nose side triangular prism piece, wherein sets up a triangular prism piece in adjusting the set correction district, perhaps sets up two upper and lower horizontal arrangement triangular prism pieces in adjusting the set correction district, perhaps respectively sets up a triangular prism piece in central authorities 'correction district and regulation set correction district, perhaps sets up two upper and lower horizontal arrangement triangular prism pieces in adjusting the set correction district and compound and set up a triangular prism piece in central authorities' correction district, triangular prism piece prism number of degrees, downside triangular prism piece are greater than upside triangular prism piece prism number of degrees.
The spectacle lens is ground by a numerical control lathe or cast or injection molded by a mold, a nasal side treatment area and a temporal side treatment area are arranged on the front lens surface of the spectacle lens, a central correction area and an adjusting and collecting correction area are arranged on the inner lens surface of the spectacle lens, or four areas are arranged on the inner lens surface of the spectacle lens, or the four areas of the spectacle lens are arranged on the lens surfaces of a blue-light-proof spectacle lens, a sunglass lens, a polarized spectacle lens and an antifogging spectacle lens. The progressive multifocal adjustable spectacle lens and the bifocal adjustable spectacle lens are used for preparing myopia spectacles for correcting the asymmetric hyperopic defocus and the implosion or normal eye position around the temporal retina of the myopia eye, and the progressive multifocal aggregate spectacle lens and the bifocal aggregate spectacle lens are used for preparing the myopia spectacles for correcting the asymmetric hyperopic defocus and the extrados around the temporal retina of the myopia eye. The spectacle frame with the selection pupil of 22mm to 30mm is characterized in that the spectacle frame is mounted on a single-layer spectacle frame, or a rotary type and folding type spectacle frame, or a modular combined spectacle frame with spectacle frame, nose support and spectacle legs freely switched by a spectacle wearer.
Compared with the prior art, the utility model beneficial effect be:
1. the existing spectacle lens has single correction function and cannot simultaneously correct the asymmetric hyperopic defocus around the retina at the nasal temporal side of the myopic eye and correct the adjustment and the collective dysfunction of the myopic eye.
2. The utility model discloses the lens adopts brand-new optical surface type design, and optical surface type design has nose side treatment area, temporal side treatment area, central correction district, adjusts four regions in set correction district. Progressive multifocal accommodation type nasal temporal side peripheral out-of-focus spectacle lenses and bifocal accommodation type nasal temporal side peripheral out-of-focus spectacle lenses are set based on eye accommodation, and eye near accommodation load is reduced. Set up to near out of focus lens and the peripheral out of focus lens of bifocal set type nose temporal side of progressive multifocal set type based on the eye set, reduce the eye set load.
3. The spectacle lens has the functions of simultaneously correcting the asymmetric hyperopic defocusing of the periphery of the temporal retina of a myopic eye, correcting the myopic eye adjusting and gathering dysfunction, and is suitable for being worn by children and teenagers with normal, inward or outward strabismus eye positions.
drawings
FIG. 1 is a schematic diagram of a progressive multifocal accommodative spectacle lens for nasal temporal peripheral defocus;
FIG. 2 is a schematic diagram of a progressive multifocal collective type spectacle lens for nasal temporal peripheral defocus;
FIG. 3 is a schematic structural diagram of a near vision composite substrate downward progressive addition type nasal temporal side peripheral out-of-focus spectacle lens;
FIG. 4 is a schematic diagram of a bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens structure with an adjusting collective correction area located on the lower side of a central correction area;
FIG. 5 is a schematic structural diagram of a bifocal adjusting type nasal-temporal peripheral out-of-focus spectacle lens with an adjusting set correction area positioned on the lower side of a nasal treatment area and a temporal treatment area;
FIG. 6 is a schematic structural diagram of a bifocal adjusting type nasal-temporal peripheral out-of-focus spectacle lens on the lower sides of a central correction area and nasal and temporal treatment areas of an adjusting set correction area;
FIG. 7 is a schematic structural diagram of a bifocal collective type nasal temporal side peripheral out-of-focus spectacle lens with a triangular prism lens arranged in an adjustment collective correction area;
FIG. 8 is a schematic structural diagram of a bifocal collective type nasal temporal side peripheral out-of-focus spectacle lens with two triangular prisms disposed in an adjustment collective correction area;
FIG. 9 is a schematic view of a bifocal collective type nasal temporal peripheral out-of-focus spectacle lens with a triangular prism lens disposed in each of the adjustment collective correction area and the central correction area;
FIG. 10 is a schematic diagram of a bifocal collective type spectacle lens for nasal temporal peripheral defocus which is provided with two triangular lenses in the adjustment collective correction area and one triangular lens in the central correction area.
in the figure: 1 a nasal treatment area; 2 a temporal treatment zone; 3 a central correction zone; 4 adjusting the aggregate correction zone; 5, a concave lens sheet; 6, a convex lens sheet; 7 the base faces the nose prism lens; 8, the base faces to the lower triangular prism; 9, a far vision zone; 10 a transition zone; 11 near vision zone; 12 an astigmatic region; 13 a progressive addition lens; 14 bifocal lenses.
Symbol abbreviations: h: (Horizontal) Horizontal meridian; v: (Vertical) Vertical meridian.
Detailed Description
the utility model provides a peripheral out of focus lens in nasal temporal side based on collection is adjusted to the eye, for the frame lens, hereinafter is referred to as this kind of lens.
The invention is described in further detail below with reference to the following figures and embodiments:
A nose-temporal side peripheral out-of-focus spectacle lens based on an eye adjustment set is a frame spectacle lens and is hereinafter referred to as the spectacle lens. The spectacle lens is ground by a numerical control lathe, or cast by a mould, or injection molded to form a spectacle lens surface type. The ophthalmic lens surface type is provided with four regions of four mutually different refractive powers in order to correct hyperopic defocus in the periphery of the nose-side retina and hyperopic defocus in the periphery of the temporal retina, reduce the eye accommodation load, and reduce the eye concentration.
The light rays entering the peripheral retina of the eyeball are contralateral refraction, the peripheral retina at the nose side receives the light rays from the temporal side, the peripheral retina at the temporal side receives the light rays from the nasal side, therefore, the refractive power of the peripheral part of the spectacle lens is designed, the nasal side treatment area is positioned in the peripheral area at the nose side of the spectacle lens and used for correcting the peripheral hyperopic defocusing of the peripheral retina at the temporal side, and the temporal side treatment area is positioned in the peripheral area at the temporal side of the spectacle lens and used for correcting the peripheral hyperopic defocusing. The myopic eye has retina periphery hyperopic defocus, the hyperopic defocus has nose-temporal asymmetry, and the temporal retina periphery hyperopic defocus is larger than the nose-side retina periphery hyperopic defocus. The peripheral parts of the spectacle lenses are arranged on the nasal temporal side, and unequal correction degrees are adopted, so that the asymmetric hyperopic defocus on the nasal temporal side can be eliminated or reduced, and the spectacle lens surface type is arranged in a nasal treatment area and a temporal treatment area, which is the most fundamental design.
The central correction area is positioned in the center of the spectacle lens, extends upwards to the peripheral area of the spectacle lens and is used for correcting the central myopic defocus of the retina, and the central correction area is of an upward windowing type and aims to expand the central visual field. In order to adapt to wearing requirements of different people, central correction zones with different reference distances can be set, the power of the central correction zone for the long distance is customized according to the subjective refraction of the individual wearer at the reference distance of 5m, the power of the central correction zone for the middle distance is customized according to the subjective refraction of the individual wearer at the reference distance of 2m to 40cm, and the power of the central correction zone is set to be-0.00D to-8.00D. The central correction zone is set to be-0.00D, and aims to meet the requirements of myopia patients with insufficient hyperopia reserve, myopia parents, hyperopic defocusing on the periphery of the nasal temporal side of retina and children and teenagers wearing corneal plastic lenses.
Such an eyeglass accommodation aggregate correction zone 5 is provided in the area under the center of the eyeglass lens (see fig. 4), or in the area under the nasal treatment zone 1 and the temporal treatment zone 2 (see fig. 5), or in the area under the center of the eyeglass lens and extending to the area under the nasal treatment zone 1 and the temporal treatment zone 2 (see fig. 6). The accommodation aggregate correction zone is configured to correct accommodation and aggregate dysfunction in the eye, with myopic eyes often accompanied by accommodation and aggregate dysfunction. The adjustment collective correction zone power is customized to the individual wearer's reference distance subjective refraction from 80cm to 30cm, or is set to +0.50D to +3.00D plus the central correction zone power.
The nasal side treatment area and the temporal side treatment area are arranged on the front mirror surface of the spectacle lens, the central correction area and the adjusting set correction area and are arranged on the inner mirror surface of the spectacle lens, or the four areas are all arranged on the inner mirror surface of the spectacle lens, or the four areas of the spectacle lens are arranged on the mirror surfaces of a blue-light-proof spectacle lens, a sunglasses lens, a polarized spectacle lens and an anti-fog spectacle lens.
four types of the spectacle lens are arranged, and a progressive multi-focus adjustment type nasal-temporal side peripheral out-of-focus spectacle lens (as shown in figure 1) is arranged based on eye adjustment, wherein a nasal side treatment area 1 and a temporal side treatment area 2 are positioned in a peripheral area within 8mm to 12mm of the upper side and the lower side of an optical center horizontal line, and the nasal side treatment area 1 and the temporal side treatment area 2 are ensured to have enough treatment range. The central correction zone 3 and the adjustment set correction zone 4 are provided as a progressive addition lens 13, the distance vision zone 9 and the transition zone 10 and the near vision zone 11 are located on the upper side of the lens and extend centrally to the lower peripheral area, the transition zone 10 is located at least in the area below 8mm below the vertical meridian of the optical center to ensure that the astigmatism zone 12 of the progressive addition lens 13 does not interfere with the nasal treatment zone 1 and the temporal treatment zone 2, and the astigmatism zone 12 is located in the lower peripheral area of the nasal treatment zone 1 and the temporal treatment zone 2.
the bifocal adjusting type nasal-temporal side peripheral out-of-focus spectacle lens is set based on eye adjustment, a nasal side treatment area and a temporal side treatment area are respectively located in nasal-temporal side peripheral areas of the spectacle lens, and a central correction area and an adjusting set correction area are set to be bifocal lenses. The progressive addition set type nasal-temporal side peripheral out-of-focus spectacle lens (as shown in fig. 2) is set based on the eye set, the near vision zone 11 of the progressive addition lens 13 is set to be a base nasal triangular prism 7, and the base nasal triangular prism 7 is set to correct the myopia accompanied by recessive or dominant outward strabismus. A base-down triangular prism 8 (shown in figure 3) is arranged in the near vision zone 11 of the progressive addition lens 13, the prism power is 0.3 delta to 1.5 delta, and the compensating triangular prism enables the thickness of the lens to be uniform.
The bifocal integrated type nasal-temporal side peripheral out-of-focus spectacle lens is set based on the eye set, the nasal side treatment area and the temporal side treatment area are respectively located in the nasal-temporal side peripheral area of the spectacle lens, and the central correction area and the adjusting integrated correction area are set to be bifocal lenses. Myopia is accompanied by outward strabismus, myopia degree development can be effectively controlled by utilizing the base to face the nasal prism, and one to three base to nasal prism lenses and prism degrees of 0.5 delta to 10.0 delta are arranged in the adjusting and collecting correction area or the composite central correction area.
The nasal and temporal treatment zones of the lens each occupy a range of 90 ° to 180 ° of the peripheral circumference of the lens, with a range greater than 90 ° being intended to ensure that the effective treatment area is sufficiently extensive. The refractive powers of the nasal treatment area and the temporal treatment area are set to be positive addition value +0.50D +3.00D relative to the refractive power of the central correction area, and the refractive power of the nasal treatment area is larger than that of the temporal treatment area +0.50D +2.00D, so as to correct larger hyperopic defocus of the temporal retina.
The central correction zone is configured as an upwardly opening window occupying a range of 90 to 180 of the peripheral circumference of the upper side of the lens. The spectacle lens in the central correction area for the distance is used for preparing outdoor far and middle near distance spectacles, and the spectacle lens in the central correction area for the middle distance is used for preparing indoor middle and short distance spectacles.
The progressive multifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the progressive multifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is characterized in that a transition area is at least arranged in a 9mm area below an optical center of the spectacle lens. The position of the astigmatism area is correlated with the transition area, and the transition area is properly shifted downwards on the basis of ensuring that the hyperopic defocus area with the asymmetry on the periphery of the retina on the nasal temporal side is corrected, so that the astigmatism area is positioned on the lower side area of the nasal side treatment area and the temporal side treatment area.
The bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is characterized in that the distance between the upper side edge of an adjusting gathering correction area and an optical center is more than 3mm, and the purpose is to ensure that a central correction area and the adjusting gathering correction area have enough areas. The accommodation aggregate correction zone is shifted vertically inward toward the nasal side by a distance of 1mm to 4mm from the center of the central correction zone in order for the eyes to see near aggregate needs.
Bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens are set as three bifocal lenses of a nasal side treatment area composite adjusting set correction area, a temporal side treatment area composite adjusting set correction area and a central correction area composite adjusting set correction area, the nasal side treatment area, the temporal side treatment area and the junction of the central correction area and the adjusting set correction area are fused with the refractive power of the upper area and the lower area by progressive refractive power to form an invisible bifocal lens. The invisible bifocal lens has no obvious bifocal boundary and jump phenomenon. The bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is set to be in a dome shape or an arc top shape in an adjusting gathering correction area.
Bifocal assemblage type nose temporal side periphery out of focus lens sets up the basement and faces nasal side triple prism lens. The existing myopia adjusting collective glasses are only provided with a composite triangular prism lens in the near vision zone. The human eyes have a pupil-regulation-set three-linkage mechanism, different regulation amounts and the same physiological effect are generated at near distance in the visual distance of the human eyes, different eye set forces are generated, and different far, middle and near set prism degrees are required to be set when the spectacle lens is designed based on the set function. In the design of the bifocal collective type nasal-temporal peripheral out-of-focus spectacle lens, a triangular prism lens (as shown in figure 7) is arranged in an adjusting collective correction area 4, so that the focusing power is reduced during near vision, and the spectacle lens is particularly suitable for being worn by children and teenagers who accompany recessive outward strabismus. In this spectacle lens, two triangular prisms (see fig. 8) are arranged horizontally up and down in the adjustment set correction region 4, in order to set two composite triangular prisms to two gradient prism degrees and gradually increase the prism degrees. This spectacle lens is provided with a triangular prism lens (see fig. 9) in each of the central correction region 3 and the adjustment set correction region 4, and is intended for use in a case where the degree of the external strabismus is dominant or significant. The spectacle lens is provided with two triangular lenses which are horizontally arranged up and down in the adjusting and collecting correction area 4 and are combined with a triangular lens in the central correction area 3 (as shown in figure 10), so that the spectacle lens is suitable for people accompanied with more explicit exophthalmos or more obvious exophthalmos. Prism degree of prism piece, downside prism piece are greater than prism degree of prism piece of upside prism piece, prism degree: the triangular prism lens at the lower side of the adjusting and collecting correction area is more than the triangular prism lens at the upper side of the adjusting and collecting correction area is more than the triangular prism lens at the central correction area.
The spectacle lens progressive multi-focus adjustable type spectacle lens and the bifocal adjustable type spectacle lens are used for preparing myopia spectacles for correcting the asymmetric hyperopic defocus at the periphery of the temporal retina of a myopia eye nose and accompanied with the inward strabismus or the normal eye position. Progressive multifocal aggregate type nasal temporal side peripheral out-of-focus spectacle lens and bifocal aggregate type nasal temporal side peripheral out-of-focus spectacle lens are used for preparing myopia glasses for correcting myopia, nasal temporal side retina peripheral asymmetric hyperopic out-of-focus and outer strabismus. In order to meet the design of four-face type areas, the spectacle frame with the pupil height of 22mm to 30mm is selected, and the spectacle lens is installed on a single-layer spectacle frame, or a rotary type and folding type spectacle frame, or a module combined type spectacle frame with a spectacle frame, a nose support and spectacle legs freely switched by a spectacle dispenser.
The utility model discloses the lens adopts brand-new optical surface type design, and optical surface type design has nose side treatment area, temporal side treatment area, central correction district, adjusts four regions in set correction district. Present peripheral out of focus lens only corrects peripheral hyperopia out of focus of retina, progressive multifocal lens only alleviate near regulation, compound prism only corrects near set, the utility model discloses four regions of lens design satisfy four kinds of correction functions. On the basis of the new face type design, the adjusting set is designed into four types of a progressive multi-focus adjusting type and an integrated type nasal temporal side peripheral out-of-focus spectacle lens, a bifocal adjusting type and an integrated type nasal temporal side peripheral out-of-focus spectacle lens. The spectacle lens has three functions of correcting hyperopic defocus asymmetrically around the retina at the nasal temporal side of the myopic eye, correcting myopic eye adjustment and integrating dysfunction, is suitable for being worn by children and teenagers with normal, inward or outward strabismus eye positions, generates unexpected technical effects, and has prominent substantive characteristics and remarkable progress.
Claims (10)
1. The utility model provides a peripheral out of focus lens of nose temporal side based on eye adjustment set, is frame lens, its characterized in that: the ophthalmic lens face shape includes four zones: the nasal treatment area is positioned in the nasal peripheral area of the spectacle lens and is used for correcting the hyperopic defocus at the temporal retinal periphery, the temporal treatment area is positioned in the temporal peripheral area of the spectacle lens and is used for correcting the hyperopic defocus at the nasal retinal periphery, the central correction area is positioned in the center of the spectacle lens and extends upwards to the peripheral area of the spectacle lens and is used for correcting the central myopic defocus at the retina, the central correction area customizes the central correction area power for distance according to the subjective refraction of 5m reference distance of an individual wearer and customizes the central correction area power for distance according to the subjective refraction of 2m to 40cm reference distance, the central correction area power is set to-0.00D to-8.00D, the adjusting set correction area is positioned in the lower side area of the center of the spectacle lens or positioned in the lower side areas of the nasal treatment area and the temporal treatment area or positioned at the lower side of the center of the spectacle lens and extends to the lower, for correcting ocular accommodation and aggregate dysfunction, with the power customized for subjective refraction at a reference distance of 80cm to 30cm from the individual wearer, the power set to +0.50D to +3.00D plus value of power relative to the central correction zone, the four zones set to four different powers from each other;
The spectacle lens is provided with four types: a progressive multifocal adjustment type nasal-temporal peripheral defocus spectacle lens is set based on eye adjustment, a nasal treatment area and a temporal treatment area are positioned in a peripheral area within 8mm to 12mm of the upper side and the lower side of an optical center horizontal meridian, a central correction area and an adjustment set correction area are set as progressive multifocal lenses, a far vision area, a transition area and a near vision area are positioned on the upper side of the spectacle lens and extend to the lower peripheral area along the center, the transition area is at least positioned in an area below 8mm of the lower side of an optical center vertical meridian, an astigmatism area is positioned in the peripheral area below the nasal treatment area and the temporal treatment area, a bifocal adjustment type nasal-temporal peripheral spectacle lens is set based on eye adjustment, the nasal treatment area and the temporal treatment area are respectively positioned in the peripheral area on the nasal temporal side of the spectacle lens, the central correction area and the adjustment set correction area are set as bifocal lenses, and a progressive multifocal set type nasal-temporal peripheral defocus spectacle lens is set based, the progressive multifocal lens near vision zone is set as a base nasal side triangular prism lens or a base downside triangular prism lens, the prism power is 0.3 delta to 1.5 delta, the thickness of the lens is uniform, the bifocal integrated type nasal temporal side peripheral defocusing spectacle lens is set based on the eye set, the nasal side treatment zone and the temporal side treatment zone are respectively positioned in the nasal temporal side peripheral area of the spectacle lens, the central correction zone and the adjusting set correction zone are set as bifocal lenses, one to three base nasal side triangular prisms and the prism power is 0.5 delta to 10.0 delta are set in the adjusting set correction zone or the composite central correction zone.
2. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the nasal side treatment zone and the temporal side treatment zone each occupy a range of 90 ° to 180 ° of the peripheral circumference of the ophthalmic lens.
3. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the refractive power of the nasal side treatment area and the temporal side treatment area is set to be more than the refractive power of the temporal side treatment area +0.50D +2.00D relative to the positive addition value of the refractive power of the central correction area +0.50D + 3.00D.
4. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the central correction area is arranged to be of an upward opening window type and occupies a range of 90-180 degrees of the circumference of the upper side of the spectacle lens, the spectacle lens of the central correction area for long distance is used for preparing outdoor far and middle near distance spectacles, and the spectacle lens of the central correction area for middle distance is used for preparing indoor middle and short distance spectacles.
5. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the transition area of the progressive multifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the progressive multifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is at least arranged in an area 9mm below the optical center of the spectacle lens, and the astigmatism area is located in the area below the nasal side treatment area and the temporal side treatment area.
6. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is used for adjusting the distance between the upper side edge of the gathering correction area and the optical center to be more than 3mm, and adjusting the distance between the center of the gathering correction area and the center of the central correction area to move inwards towards the nasal side by 1mm to 4 mm.
7. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the bifocal adjusting type nasal-temporal side peripheral out-of-focus spectacle lens or bifocal gathering type nasal-temporal side peripheral out-of-focus spectacle lens is set as three bifocal lenses of a nasal side treatment area composite adjusting set correction area, a temporal side treatment area composite adjusting set correction area and a central correction area composite adjusting set correction area, the nasal side treatment area, the temporal side treatment area and the joint of the central correction area and the adjusting set correction area are fused with the refractive power of the upper area and the lower area by the progressive refractive power to be consistent, and an invisible bifocal lens is formed.
8. a spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the bifocal adjusting type nasal temporal side peripheral out-of-focus spectacle lens or the bifocal gathering type nasal temporal side peripheral out-of-focus spectacle lens is set to be in a dome shape or an arc top shape in an adjusting and gathering correction area.
9. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: bifocus set type nose temporal side periphery out of focus lens sets up the basement towards nose side triangular prism piece, wherein sets up a triangular prism piece in adjusting the set correction district, perhaps sets up two horizontal arrangement triangular prism pieces from top to bottom in adjusting the set correction district, perhaps respectively sets up a triangular prism piece in central authorities 'correction district and regulation set correction district, perhaps sets up two horizontal arrangement triangular prism pieces from top to bottom in adjusting the set correction district and compound and set up a triangular prism piece in central authorities' correction district, triangular prism piece prism number of degrees, downside triangular prism piece are greater than upside triangular prism piece prism number of degrees.
10. A spectacle lens for nasal temporal peripheral defocus based on eye accommodation set as claimed in claim 1, wherein: the spectacle lenses are ground by a numerical control lathe or cast or injection molded by a mould, a nasal side treatment area and a temporal side treatment area are arranged on a front lens surface of the spectacle lens, a central correction area and an adjustment collection correction area are arranged on a lens surface in the spectacle lens, or four areas are all arranged on the lens surface in the spectacle lens, or four areas of the spectacle lens are arranged on a blue-light-proof spectacle lens, a sunglass lens, a polarized spectacle lens and an antifog spectacle lens, the progressive multifocal adjustment type nasal temporal side peripheral out-of-focus spectacle lens and the bifocal adjustment type nasal temporal side peripheral out-of-focus lens are used for preparing myopia spectacles for correcting the asymmetric far-focus at the temporal side retina periphery of the myopia eyes with the inward strabisopia or the normal eye position, the progressive multifocal collection type nasal temporal side peripheral out-of-focus lens and the bifocal collection type nasal temporal side peripheral out-of-focus lens are used for preparing the myopia correcting the asymmetric at the temporal side retina periphery of the, the spectacle frame with the spectacle lens selection pupil being 22mm to 30mm in height is characterized in that the spectacle lens is mounted on a single-layer spectacle frame, or a rotary type and folding type spectacle frame, or a module combined type spectacle frame with spectacle frame, nose support and spectacle legs freely switched by a spectacle dispenser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920704930.3U CN209803477U (en) | 2019-05-11 | 2019-05-11 | Nose temporal side peripheral out of focus lens based on eye adjustment set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920704930.3U CN209803477U (en) | 2019-05-11 | 2019-05-11 | Nose temporal side peripheral out of focus lens based on eye adjustment set |
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| CN209803477U true CN209803477U (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994948A (en) * | 2022-07-19 | 2022-09-02 | 欧普康视科技股份有限公司 | Frame spectacle lens |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994948A (en) * | 2022-07-19 | 2022-09-02 | 欧普康视科技股份有限公司 | Frame spectacle lens |
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