CN117111328B - Adjustable high-precision myopia defocusing prevention and control glasses - Google Patents
Adjustable high-precision myopia defocusing prevention and control glasses Download PDFInfo
- Publication number
- CN117111328B CN117111328B CN202311291862.XA CN202311291862A CN117111328B CN 117111328 B CN117111328 B CN 117111328B CN 202311291862 A CN202311291862 A CN 202311291862A CN 117111328 B CN117111328 B CN 117111328B
- Authority
- CN
- China
- Prior art keywords
- glasses
- prevention
- defocus
- control
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 108
- 230000002265 prevention Effects 0.000 title claims abstract description 67
- 208000001491 myopia Diseases 0.000 title claims abstract description 24
- 230000004379 myopia Effects 0.000 title claims abstract description 22
- 230000004438 eyesight Effects 0.000 claims abstract description 29
- 230000002123 temporal effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000003491 array Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000011162 core material Substances 0.000 claims 4
- 210000003128 head Anatomy 0.000 abstract description 18
- 210000001525 retina Anatomy 0.000 abstract description 14
- 201000009310 astigmatism Diseases 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004310 photopic vision Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004515 progressive myopia Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/12—Nose pads; Nose-engaging surfaces of bridges or rims
- G02C5/122—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/14—Side-members
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/14—Side-members
- G02C5/20—Side-members adjustable, e.g. telescopic
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Eyeglasses (AREA)
Abstract
The invention belongs to the technical field of glasses, and particularly relates to a pair of myopia defocusing prevention and control glasses with adjustable high precision, which comprises a prevention and control glasses frame and prevention and control lenses, wherein two prevention and control lenses are fixed in the prevention and control glasses frame, the prevention and control glasses frame comprises a glasses frame main body, a nose support and glasses legs, the nose support and the glasses legs can be slidably adjusted on the glasses frame main body, the tail parts of the glasses legs are rotationally connected with ear hooks, the prevention and control lenses are defocusing lenses with the first grade of 5 DEG, the positions of the nose support can be quickly adjusted, the relative positions between the centers of the defocusing lenses and the centers of eyes can be further adjusted, the defocusing lenses can be conveniently and correctly used, the glasses can be freely stretched and contracted according to the head transformation problem, the earhook camber is suitable for being worn by young children with different head types, the defocusing lenses adopt a front-back composite defocusing design, so that the defocusing quantity is enhanced, the defocusing signals are transmitted by retina, the growth of eye axis is inhibited, the astigmatism is reduced, the vision quality is improved, the defocusing lenses are first grade, the precision is higher, and the error is smaller.
Description
Technical Field
The invention belongs to the technical field of glasses, and particularly relates to a pair of adjustable high-precision myopia defocusing prevention and control glasses.
Background
The existing defocusing glasses for the teenagers of children are required to achieve a particularly good prevention and control effect, the glasses frame is particularly suitable, the degree of the defocusing lenses is particularly accurate, the proper glasses frame can be unsuitable after a few months from the beginning considering that the physical development of the teenagers of children is faster, meanwhile, the defocusing lenses are 25 degrees, and the precision is slightly poor for the high-precision defocusing lenses;
The eyeglass frame and eyeglasses of patent application No. cn201710965418.X, comprising a bridge having a first extension and a second extension for mounting a lens, and an intermediate portion disposed between the first extension and the second extension; and the first glasses leg and the second glasses leg are respectively connected to two ends of the middle beam, and the middle beam and the first glasses leg and the second glasses leg are integrally formed. According to the eyeglass frame, the middle beam, the first eyeglass leg and the second eyeglass leg are integrally formed, so that a screw structure, a welding process and the like can be avoided, but the technical scheme has the defect that the position of the nose pad and the length of the eyeglass leg cannot be adjusted, the configuration defocusing lens is arranged in the eyeglass frame, and the eye axis is easy to be increased after long-term wearing, so that myopia is deepened.
Disclosure of Invention
The invention aims to provide a pair of myopia defocusing prevention and control glasses with adjustable high precision, which solves the problems in the prior art, and the specific technical scheme is as follows:
The utility model provides an adjustable high accuracy's myopia defocus prevention and control glasses, includes prevention and control mirror holder and prevention and control lens, prevents that the mirror holder is equipped with two prevention and control lenses, prevents that the control mirror holder includes mirror holder main part, nose support and mirror leg, and nose support and the equal slidable regulation of mirror leg are in the mirror holder main part, and the mirror leg afterbody rotates to be connected with the ear hook, prevents that the control lens is 5 degrees and is the defocusing lens of first grade.
Further, the mirror holder main part includes mirror ring, mirror holder crossbeam, pile head and mirror leg frame, prevents controlling the lens and fix in the mirror ring, through mirror holder crossbeam fixed connection between two mirrors, nose holds in the palm sliding connection on the mirror holder crossbeam, mirror ring and pile head one end fixed connection, and the pile head other end is fixed with mirror leg frame, mirror leg frame and mirror leg sliding connection.
Further, sliding connection has slider one on the mirror holder crossbeam, be equipped with scale mark one on the slider one, scale mark one corresponds with mirror holder crossbeam edge, mirror holder crossbeam inside is equipped with the cavity, be equipped with spring one in the cavity, spring one end is fixed on the mirror holder crossbeam, spring one other end fixed connection is in spacing ball, spacing ball sliding connection is in the cavity, slider one is equipped with the recess with mirror holder crossbeam contact's both sides, spacing ball part volume is arranged in the recess, spacing ball is arranged in the mirror holder crossbeam in the volume of arranging in the recess more than, be fixed with the fixed column on the slider one, fixed column and fixed plate sliding connection, fixed plate and nose hold in the palm fixed connection, the nose holds in the palm for special material, special metal core is embedded in special material inside, purpose-made metal core is fixed on the fixed plate.
Further, be equipped with a plurality of fender bit lines on the mirror leg frame, be equipped with a plurality of circular boss posts on the mirror leg frame, the mirror leg frame slides in the cavity of mirror leg, is fixed with spacing lug on the mirror leg, and spacing lug is arranged in between two circular boss posts, and the mirror leg front end corresponds on keeping off the bit line, and distance is 2.5mm between two circular boss posts.
Further, a plurality of protrusions are fixed on a rotating shaft connected with the glasses legs through the ear hooks, and the protrusions are alternately arranged on the glasses legs at intervals.
Further, a magnetic attraction device is fixed in the pile head, and the magnetic attraction device can attract the sunglasses with the magnets.
Further, the area with the central diameter of 9mm on the front surface of the prevention and control lens is a first central bright vision area, the edge of the first central bright vision area is outwards expanded to form a defocusing signal area, the edge of the defocusing signal area is outwards expanded to form a lens peripheral area on the edge of the prevention and control lens, the defocusing signal area consists of a plurality of aspheric micro lens arrays with the diameter of 1mm or a plurality of micro cylindrical lens arrays with the width of 1mm, the micro cylindrical lens arrays are n defocusing rings which are concentrically arranged, adjacent defocusing rings can be closely connected and can also be separated by gaps, the n defocusing rings which are concentrically arranged are outwards arranged along the radial direction, the value of n is between 8 and 12, and the defocusing amount of the defocusing signal area is between +3.50D and +700D.
Further, the area with the central diameter of 10mm on the rear surface of the prevention and control lens is a second central bright vision area, the area with the central diameter of 9mm on the rear surface of the prevention and control lens and the area with the central diameter of 18mm on the lower radius in the vertical direction of the lens is a lower area, the area with the central diameter of 16mm upwards is an upper area, the area with the central diameter of 24mm towards the temple is a temporal area, the area with the central diameter of 24mm towards the nose is a nasal area, the defocus change of the temporal area is symmetrical with the nasal area, and the defocus amount gradually increases from the second central bright vision area to the periphery.
Further, the maximum point of the defocus amount of the nasal area is a, the maximum point of the defocus amount of the temporal area is b, the maximum point of the defocus amount of the upper area is c, the maximum point of the defocus amount of the lower area is d, the four point relationship is in accordance with the equation x 2/24+y2/(18- α) =1, α is a variable constant, x is the horizontal distance from the optical center to any point on the rear surface of the prevention lens, y is the vertical distance from the optical center to any point on the rear surface of the prevention lens, the defocus amounts at abcd are the same, the defocus amount change formula of the nasal area and the temporal area from the second central bright visual area is θ (x-5), θ is a horizontal defocus constant, the defocus amount change formula of the upper area and the lower area from the second central bright visual area is β (y-5), and β is a vertical defocus constant.
Further, the area except the second central bright visual area of the rear surface of the prevention and control lens corresponds to the defocus signal area and the lens peripheral area, and the defocus amount of the rear surface of the prevention and control lens is +0.50D+/-2.50D.
The invention has the advantages that:
1. The nose support position can be quickly adjusted, so that the relative position between the defocusing lens and the eyes can be adjusted, and the defocusing lens can be conveniently and correctly used;
2. According to the head type variation problem, the length of the freely telescopic glasses leg is suitable for the adolescent children with different head types to wear;
3. The defocusing lens adopts a front-back compound defocusing design, the front surface multipoint interconnection micro lens forms a more ideal defocusing design, the deformation of the defocusing lens visual object is eliminated, the technology of the rear surface free-form surface enhances the defocusing amount, so that the retina transmits stronger defocusing signals, inhibits the growth of an eye axis, reduces astigmatism, improves the visual quality, and meanwhile, the defocusing lens takes 5 degrees as a first grade, has higher precision, has smaller error, improves the vision, reduces discomfort, achieves more accurate and more effective defocusing effect and achieves the effect of relieving myopia deepening.
Drawings
FIG. 1 is a schematic diagram of the overall front structure of the glasses of the present invention;
FIG. 2 is a schematic diagram of the overall side structure of the glasses of the present invention;
FIG. 3 is a schematic view of a nose pad according to the present invention;
FIG. 4 is a schematic diagram of a nose pad according to the present invention;
FIG. 5 is a schematic diagram of a nose pad according to the present invention;
FIG. 6 is a schematic view of a temple structure according to the present invention;
FIG. 7 is a schematic diagram of a temple structure according to the present invention;
FIG. 8 is a schematic diagram of the front surface structure of the control lens according to the present invention;
FIG. 9 is a schematic diagram II of the front surface structure of the control lens according to the present invention;
FIG. 10 is a schematic diagram III of the front surface structure of the control lens according to the present invention;
FIG. 11 is a schematic view of the rear surface structure of the control lens of the present invention;
The figure indicates:
1. a frame body; 2. a prevention and control lens; 3. a nose pad; 4. a pile head; 5. a temple bar; 6. a gear line; 7. a round convex column; 8. a temple; 9. a mirror sleeve; 10. a frame cross member; 11. a first sliding block; 12. a limit ball; 13. a first spring; 14. fixing the column; 15. a fixing plate; 16. a first scale mark; 17. a groove; 18. a rotating shaft; 19. a magnetic attraction device; 20. a limit bump; 21. a cavity; 22. a first central bright viewing zone; 23. an upper region; 24. a lower side region; 25. temporal region; 26. a nasal side region; 27. a defocus signal region; 28. a lens peripheral zone; 29. a second central bright viewing zone.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1-11, the high-precision adjustable myopia defocus prevention and control glasses comprise a prevention and control glasses frame and prevention and control lenses 2, wherein the prevention and control glasses frame is provided with two prevention and control lenses 2, the prevention and control glasses frame comprises a glasses frame main body 1, a nose support 3 and glasses legs 8, the nose support 3 and the glasses legs 8 can be slidably adjusted on the glasses frame main body 1, the tail parts of the glasses legs 8 are rotatably connected with ear hooks 9, and the prevention and control lenses 2 are defocus lenses with the first grade of 5 degrees;
The working principle of the technical scheme is as follows: the anti-control mirror holder is fixed two anti-control lenses 2 inside the anti-control mirror holder through the screw, the nose support 3 can be adjusted up and down relative to the mirror holder main body 1, the positions of the nose supports 3 are adjusted according to different nose-shaped children and teenagers, the glasses and the anti-control lenses 2 are arranged at reasonable heights and distances, the glasses legs 8 can slide on the mirror holder main body 1, according to the head size of the children and teenagers, the lengths of the glasses legs can be prolonged or shortened, the glasses legs are supported on ears in proper lengths, the tail parts of the glasses legs 8 are rotationally connected with the earhooks 9, the earhooks 9 are arranged behind auricles, the glasses can be rotated to different angles according to the auricles, the whole glasses are further fixed more firmly, the glasses are prevented from falling off in the movement process of the children and teenagers, the anti-control lenses 2 are defocusing lenses, light rays fall on the retina through the central bright vision area of the defocusing lenses, peripheral micro lenses can enable light rays to fall on the retina or in front of the retina, the light rays are prevented from falling behind the retina to induce the eye axis to rapidly grow, and the lens is a lens with 5 degrees being a near-vision lens, the accuracy is the lens with high natural vision accuracy, and the accuracy is improved.
The nose support position can be quickly adjusted by the prevention and control mirror frame, the relative position of the defocusing lens and eyes can be further adjusted, the defocusing lens is correctly used, the length of the freely telescopic lens leg is suitable for being worn by a head-shaped adolescent child, the front surface multipoint interconnection micro lens is designed to form a more ideal defocusing design, deformation of a visual object of the defocusing lens is eliminated, the technology of a free curved surface on the rear surface is adopted, the defocusing quantity is enhanced, retina transmits stronger defocusing signals, eye axis growth is restrained, astigmatism is reduced, vision quality is improved, meanwhile, the defocusing lens takes 5 degrees as a grade, the precision of the lens is greatly improved, a more accurate defocusing effect can be provided for eyes, and the effect of relieving myopia deepening is realized.
Example two
As shown in fig. 1-7, the mirror bracket main body 1 comprises a mirror ring, a mirror bracket beam 10, a pile head 4 and a mirror leg frame 5, the prevention and control lens 2 is fixed in the mirror ring, the two mirror rings are fixedly connected through the mirror bracket beam 10, the nose pad 3 is slidingly connected on the mirror bracket beam 10, the mirror ring is fixedly connected with one end of the pile head 4, the other end of the pile head 4 is fixedly provided with the mirror leg frame 5, and the mirror leg frame 5 is slidingly connected with the mirror leg 8;
The working principle of the technical scheme is as follows: the mirror circle is divided into an upper half frame and a lower half frame, the prevention and control lens 2 is arranged in the upper half frame and the lower half frame, the upper half frame and the lower half frame are fixed through screws, the prevention and control lens 2 is further fixed, the position of the nose support 3 on the mirror frame beam 10 can be finely adjusted up and down, the relative position of the defocused lens and eyes is adjusted, the mirror leg frames 5 can slide in the pile head 4, the distance between the two mirror leg frames 5 can be adjusted, heads with different widths are adapted, the height of the mirror circle is 36mm, the length of the mirror circle is 44mm, the length of the mirror frame beam 10 is 16mm, and the length of the mirror leg is 135mm.
Example III
As shown in fig. 1-7, the frame beam 10 is slidably connected with a first slider 11, a first scale mark 16 is arranged on the first slider 11, the first scale mark 16 corresponds to the edge of the frame beam 10, a cavity is arranged in the frame beam 10, a first spring 13 is arranged in the cavity, one end of the first spring 13 is fixed on the frame beam 10, the other end of the first spring 13 is fixedly connected with a limiting ball 12, the limiting ball 12 is slidably connected in the cavity, grooves 17 are arranged on two sides of the first slider 11, which are in contact with the frame beam 10, part of the limiting ball 12 is arranged in the grooves 17, the volume of the limiting ball 12 in the frame beam 10 is larger than the volume in the grooves 17, a fixed column 14 is fixed on the first slider 11, the fixed column 14 is slidably connected with a fixed plate 15, the fixed plate 15 is fixedly connected with a nose support 3, a special metal core is embedded in the nose support 3, and the special metal core is fixed on the fixed plate 15;
The working principle of the technical scheme is as follows: the first slider 11 is slid downwards or upwards, the limiting ball 12 is extruded into the cavity of the frame crossbeam 10, the first spring 13 is driven to be compressed, after the first slider 11 moves a certain distance, the groove 17 on the first slider 11 is aligned with the cavity of the frame crossbeam 10, part of the volume of the limiting ball 12 is pushed into the groove 17 on the first slider 11 under the action of the elasticity of the first spring 13, the first slider 11 is prevented from freely sliding relative to the frame crossbeam 10, at the moment, the first slider 11 drives the nose support 3 to move upwards or downwards by one unit, the first slider 11 is provided with the first scale mark 16 and corresponds to the edge of the frame crossbeam 10, the ascending or descending height can be displayed, the edge of the fixing column 14 is provided with a wave shape, the fixing plate 15 is limited at the bottom edge of the wave shape, the fixing plate 15 is pulled outwards or pushed inwards by force, the fixing plate 15 can cross the high edge of the wave shape, the distance between the nose support 3 and the anti-scorching lens 2 is further changed, after adjustment, the nose support 3 is correctly used, the special material of the nose support 3 is made of titanium, the material is soft, the special material of the nose support is prevented from being damaged, the special material of the nose support 3 is suitable to be fixed on the nose support 3, and the nose support 3 is fixed in a proper shape.
Example IV
As shown in fig. 1-7, the temple frame 5 is provided with a plurality of gear lines 6, the temple frame 5 is provided with a plurality of round posts 7, the temple frame 5 slides in a cavity 21 of the temple 8, the temple 8 is fixedly provided with a limit lug 20, the limit lug 20 is arranged between the two round posts 7, the front end of the temple 8 is correspondingly arranged on the gear lines 6, and the distance between the two round posts 7 is 2.5mm;
The working principle of the technical scheme is as follows: when the glasses leg frame 5 and the glasses leg 8 relatively move, the glasses leg 8 is fixedly provided with a limiting lug 20 which passes through the round convex columns 7 on the glasses leg frame 5, the limiting lug 20 is limited by the next group of parallel round convex columns 7, the distance between the two round convex columns 7 is 2.5mm, namely the unit length of movement of the glasses leg 8 is 2.5mm, the front end of the glasses leg 8 corresponds to the gear line 6, the total length of the glasses leg frame 5 and the glasses leg 8 can be seen, the width of the glasses leg frame 5 is 4.1mm, the length of the glasses leg 8 is 52.8mm, the height of the glasses leg 8 is 39.6mm, the length of a cavity in the glasses leg 8 is 23.5mm, the width of the cavity 21 in the glasses leg 8 is 4.1mm, the width of the cavity 21 in the glasses leg 8 is 6.5mm, and the middle part and the tail end of the earhook 9 are 5.5mm and 6.4mm respectively.
Example five
As shown in fig. 1-7, a plurality of protrusions are fixed on a rotating shaft 18 connected with the glasses legs 8 of the ear hooks 9, and the protrusions are alternately arranged on the glasses legs 8 at intervals;
The working principle of the technical scheme is as follows: the tail of the glasses leg 8 is provided with a plurality of gears, the ear hook 9 can be clamped at different gears according to different requirements, and then the ear hook 9 adjusts different bending degrees according to auricles;
the position from the tail end of the glasses leg 8 to the rotating shaft 18 of the ear hook 9 can be removed, and only the ear hook 9 is kept to flexibly rotate on the glasses leg 8.
Example six
As shown in fig. 1-7, a magnetic attraction device 19 is fixed in the pile head 4, and the magnetic attraction device 19 can attract a sunglasses with magnets;
The working principle of the technical scheme is as follows: the two stake heads 4 on the main body 1 of the glasses frame are internally provided with a magnetic attraction device 19 which can adsorb the sunglasses with the magnets in front of the prevention and control lenses 2;
the defocusing glasses are recommended to be worn all the day, the wearing time is at least 12 hours, when the sun is particularly strong in summer, people often need to take the sunglasses to feel comfortable, so that the defocusing glasses can be taken off and replaced by the sunglasses, the use is very inconvenient, a magnetic attraction device is added at the pile head of the glasses frame, and a magnetic attraction sunglass lens is additionally arranged on the outer side of the defocusing glasses, so that when the sunglasses are needed to be worn, the defocusing glasses are not needed to be replaced.
Example seven
As shown in fig. 8-9, the area with the center diameter of 9mm on the front surface of the prevention and control lens 2 is a first central bright vision area 22, the edge of the first central bright vision area 22 is outwards expanded to form a defocus signal area 27, the edge of the defocus signal area 27 is outwards expanded to form a lens peripheral area 28 on the edge of the prevention and control lens 2, the defocus signal area 27 is composed of a plurality of aspherical micro lens arrays with the diameter of 1mm or a plurality of micro cylindrical lens arrays with the width of 1mm, each micro lens array is n concentrically arranged defocus rings, adjacent defocus rings can be closely connected and can also be separated by a gap, the n concentrically arranged defocus rings are outwards arranged in a radial direction, the value of n is between 8 and 12, and the defocus amount of the defocus signal area 27 is between +3.50d and +700D;
The working principle of the technical scheme is as follows: the light falls on the retina of the teenager through the first central photopic vision area 22 on the front surface of the prevention and control lens 2, the first central photopic vision area 22 ensures that myopia is relieved and meanwhile clear vision is considered, the defocusing signal area 27 consists of n ring-shaped punctiform micro lenses which are closely arranged, the micro lenses are circular micro lenses with the diameter of 1mm, the micro lenses are respectively independent and closely connected in series to form defocusing rings, no obvious gap is formed between the defocusing rings or the gap between the defocusing rings is 3mm, n is 10, namely a 10-ring-shaped micro lens array altogether, no micro lenses are arranged in the lens peripheral area 28, the prescription luminosity is still provided, the defocusing signal area 27 can enable the light to be refracted and fall on the retina or in front of the retina, and after the defocusing amount of the superimposed rear surface, the light is prevented from falling on the rear of the retina to induce rapid eye axis growth, so that myopia is increased;
The front surface is the first central photopic zone 22 of 9mm in the center of the lens, the periphery is a multi-point interconnected lens, the defocus amount is between +3.50d and +7.00d, each microlens is of aspheric design, thus enabling thinner lenses with less aberrations.
Example eight
As shown in fig. 11, the area with the central diameter of 10mm on the rear surface of the prevention and control lens 2 is a second central bright vision area 29, the area with the central diameter of 9mm to the radius of 18mm in the vertical direction of the lens center is a lower side area 24, the area with the upward radius of 16mm is an upper side area 23, the area with the direction of 24mm towards the temple is a temporal side area 25, the area with the direction of 24mm towards the nose is a nasal side area 26, the defocus variation of the temporal side area 25 is symmetrical to the nasal side area 26, and the defocus amount gradually increases from the second central bright vision area 29 to the periphery;
The maximum point of the defocus amount of the nasal area 26 is a, the maximum point of the defocus amount of the temporal area 25 is b, the maximum point of the defocus amount of the upper area 23 is c, the maximum point of the defocus amount of the lower area 24 is d, the four point relationship accords with the equation x 2/24+y2/(18- α) =1, α is a variable constant, x is the horizontal distance from the optical center of any point on the rear surface of the prevention lens 2, y is the vertical distance from the optical center of any point on the rear surface of the prevention lens 2, the defocus amount at abcd is the same, the defocus amount change formula of the nasal area 26 and the temporal area 25 from the second central bright visual area 29 is θ (x-5), θ is the horizontal defocus constant, the defocus amount change formula of the upper area 23 and the lower area 24 from the second central bright visual area 29 is β (y-5), and β is the vertical defocus constant;
The working principle of the technical scheme is as follows: the back surface of the prevention and control lens 2 is free-form surface defocusing, a second central bright vision area with the center of the lens being 10mm, a position with the radius of 18mm downwards from the area with the diameter of 10mm at the center of the lens to the vertical direction of the center of the lens, a position with the radius of 16mm upwards, a position with the diameter of 24mm leftwards and a position with the diameter of 24mm rightwards are set, the maximum defocusing amount is +1.00D, and the total defocusing area with the defocusing amount of +3.50D on the front surface is up to +4.50D, so that the peripheral retina is ensured to be in a near-sighted defocusing state. Because the defocus amount in the defocus region increases linearly with the position from the center of the lens, the temporal region 25 is equidistant from the second central bright vision region 29 with the outer edge of the nasal region 26, the defocus amount is equal, the outer edge of the lower region 24 is distant from the second central bright vision region 29 less than the outer edge of the nasal region 26, the defocus amount of the nasal region 26 is greater than the defocus amount of the lower region 24, the outer edge of the lower region 24 is distant from the second central bright vision region 29 more than the outer edge of the upper region 23, the defocus amount of the lower region 24 is greater than the defocus amount of the upper region 23, and the greater the defocus amount is required by children with higher eye axis according to the glance habit while increasing the defocus amount, and the greater the defocus amount required by the retina is not regular sphere, by superposition of the front and rear surfaces, the defocus amount is increased while the comfort of the wearer is increased by increasing the front and rear surfaces;
the first central bright vision area of the front surface is 9mm in diameter, the second central bright vision area of the rear surface is 10mm in diameter, and a transition area of 1mm is reserved, so that aberration is reduced, and comfort is improved.
Example nine
As shown in fig. 11, the area except the second central bright vision area 29 on the rear surface of the prevention and control lens 2 corresponds to the defocus signal area 27 and the lens peripheral area 28, and the defocus amount of the rear surface of the prevention and control lens 2 is +0.50d±2.50d;
The working principle of the technical scheme is as follows: the front surface multipoint interconnection micro-lens forms a more ideal defocusing design, so that deformation of objects seen by the defocusing lens is eliminated, the defocusing amount is enhanced by a rear surface free-form surface technology, so that retina transmits stronger defocusing signals, eye axis growth is inhibited, astigmatism is reduced, visual quality is improved, myopia deepening relieving effect is realized, and meanwhile, precision is higher.
Examples ten
As shown in fig. 10, the area with the center diameter of 9mm on the front surface of the prevention and control lens 2 is a first central bright vision area 22, the edge of the first central bright vision area 22 extends outwards for a certain distance to form a combined area, a small circle diverging in the combined area is a lens peripheral area 28, the other parts of the combined area are defocus signal areas 27, the edge of the combined area extends outwards until the edge of the prevention and control lens 2 is a lens peripheral area 28, and the lens peripheral area 28 is a common myopia lens area;
The working principle of the technical scheme is as follows: the distribution area of the microstructure is increased, more defocusing areas can be provided, and the design of the free curved surface of the rear surface is added, so that the defocusing amount is increased, the defocusing area is increased, and larger defocusing stimulation can be provided while the central bright vision area is ensured, and the effect of delaying myopia progression can be improved.
It will be understood that the application has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The pair of myopia defocus prevention and control glasses with adjustable high precision is characterized by comprising a prevention and control glasses frame and prevention and control lenses (2), wherein the prevention and control glasses frame is provided with two prevention and control lenses (2), the prevention and control glasses frame comprises a glasses frame main body (1), a nose support (3) and glasses legs (8), the nose support (3) and the glasses legs (8) can be slidably adjusted on the glasses frame main body (1), the tail parts of the glasses legs (8) are rotationally connected with ear hooks (9), and the prevention and control lenses (2) are defocus lenses with the first grade of 5 degrees;
the area with the central diameter of 10mm on the rear surface of the prevention and control lens (2) is a second central bright vision area (29), the area with the central diameter of 9mm on the rear surface of the lens and the area with the radius of 18mm downwards in the vertical direction of the center of the lens is a lower side area (24), the area with the radius of 16mm upwards is an upper side area (23), the area with the radius of 24mm towards the temple is a temporal side area (25), the area with the radius of 24mm towards the nose is a nasal side area (26), the defocusing change of the temporal side area (25) is symmetrical with the nasal side area (26), and the defocusing amount gradually increases from the second central bright vision area (29) to the periphery;
The maximum point of the defocus amount of the nasal side area (26) is a, the maximum point of the defocus amount of the temporal side area (25) is b, the maximum point of the defocus amount of the upper side area (23) is c, the maximum point of the defocus amount of the lower side area (24) is d, the four point relationship conforms to the equation x 2/24+y2/(18-alpha) =1, alpha is a variable constant, x is the horizontal distance from any point on the rear surface of the prevention lens (2) to the optical center, y is the vertical distance from any point on the rear surface of the prevention lens (2) to the optical center, the defocus amounts at abcd are the same, the defocus amount change formulas of the nasal side area (26) and the temporal side area (25) are θ×5 from the second central bright viewing area (29), θ is a horizontal defocus constant, the defocus amount change of the upper side area (23) and the lower side area (24) from the second central bright viewing area (29) is β×y-5), and β is a vertical defocus constant.
2. The pair of myopia defocus prevention and control glasses with adjustable high precision according to claim 1, wherein the glasses frame main body (1) comprises a glasses ring, a glasses frame cross beam (10), a pile head (4) and a glasses leg frame (5), the prevention and control glasses (2) are fixed in the glasses ring, the two glasses rings are fixedly connected through the glasses frame cross beam (10), the nose pad (3) is slidably connected on the glasses frame cross beam (10), the glasses ring is fixedly connected with one end of the pile head (4), the other end of the pile head (4) is fixedly provided with the glasses leg frame (5), and the glasses leg frame (5) is slidably connected with the glasses leg (8).
3. The pair of adjustable high-precision myopia defocus prevention and control glasses according to claim 2, wherein a first sliding block (11) is connected to the frame cross beam (10) in a sliding mode, a first scale mark (16) is arranged on the first sliding block (11), the first scale mark (16) corresponds to the edge of the frame cross beam (10), a cavity is formed in the frame cross beam (10), a first spring (13) is arranged in the cavity, one end of the first spring (13) is fixed to the frame cross beam (10), the other end of the first spring (13) is fixedly connected to a limiting ball (12), the limiting ball (12) is connected to the cavity in a sliding mode, grooves (17) are formed in two sides, which are in contact with the frame cross beam (10), part of the limiting ball (12) is placed in the grooves (17), the volume, which is placed in the frame cross beam (10), of the limiting ball (12) is larger than the volume, which is placed in the grooves (17), a fixing post (14) is fixed to the first sliding mode, the fixing post (14) is fixedly connected to the fixing plate (15), one end of the first spring (13) is fixedly connected to the nose support (3), the nose support (3) is fixedly connected to the special metal core (15), and the special metal core is embedded in the special metal core material is fixedly embedded in the special metal core (15.
4. A pair of myopia defocus prevention and control glasses with adjustable high precision according to claim 3, wherein a plurality of gear lines (6) are arranged on the glasses leg frame (5), a plurality of round convex columns (7) are arranged on the glasses leg frame (5), the glasses leg frame (5) slides in the hollow cavity (21) of the glasses leg (8), a limit lug (20) is fixed on the glasses leg (8), the limit lug (20) is arranged between the two round convex columns (7), the front end of the glasses leg (8) corresponds to the gear lines (6), and the distance between the two round convex columns (7) is 2.5mm.
5. The pair of high-precision adjustable myopia defocus prevention and control glasses according to claim 4, wherein a plurality of protrusions are fixed on a rotating shaft (18) connected with the glasses legs (8) through ear hooks (9), and the protrusions are alternately arranged on the glasses legs (8) at intervals.
6. The pair of adjustable high-precision myopia defocus prevention and control glasses according to claim 5, wherein a magnetic attraction device (19) is fixed in the pile head (4), and the magnetic attraction device (19) can attract a sunglasses with magnets.
7. The pair of high-precision adjustable myopia defocus prevention and control glasses according to claim 1, wherein a region with the center diameter of 9mm on the front surface of the prevention and control lens (2) is a first central bright vision region (22), the edge of the first central bright vision region (22) is outwards expanded to form a defocus signal region (27), the edge of the defocus signal region (27) is outwards expanded to form a lens peripheral region (28) on the edge of the prevention and control lens (2), the defocus signal region (27) is composed of a plurality of aspherical micro lens arrays with the diameter of 1mm or a plurality of micro cylindrical lens arrays with the width of 1mm, the micro cylindrical lens arrays are n concentrically arranged defocus rings, adjacent defocus rings can be closely connected and can be separated, the n concentrically arranged defocus rings are radially outwards arranged, the value of n is between 8 and 12, and the defocus amount of the defocus signal region (27) is between +3.50d and +7. 00d.
8. An adjustable high-precision myopia defocus-preventing and controlling glasses according to claim 1, wherein the regions of the rear surface of the preventing and controlling lens (2) except the second central bright vision region (29) correspond to defocus signal regions (27) and lens peripheral regions (28), and the defocus amount of the rear surface of the preventing and controlling lens (2) is +0.50d±2.50d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311291862.XA CN117111328B (en) | 2023-10-08 | 2023-10-08 | Adjustable high-precision myopia defocusing prevention and control glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311291862.XA CN117111328B (en) | 2023-10-08 | 2023-10-08 | Adjustable high-precision myopia defocusing prevention and control glasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117111328A CN117111328A (en) | 2023-11-24 |
| CN117111328B true CN117111328B (en) | 2024-08-30 |
Family
ID=88805666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311291862.XA Active CN117111328B (en) | 2023-10-08 | 2023-10-08 | Adjustable high-precision myopia defocusing prevention and control glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117111328B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215678948U (en) * | 2021-08-29 | 2022-01-28 | 苏州明世光学科技有限公司 | Out-of-focus spectacle lens suitable for teenager myopia control |
| CN116027571A (en) * | 2022-12-06 | 2023-04-28 | 首都医科大学附属北京同仁医院 | Myopia defocusing lens and myopia defocusing glasses |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3016935C2 (en) * | 1980-05-02 | 1991-01-24 | Fa. Carl Zeiss, 7920 Heidenheim | Multifocal spectacle lens with partially sliding refractive power |
| FR2809193B1 (en) * | 2000-05-16 | 2002-08-09 | Essilor Int | PROGRESSIVE MULTIFOCAL OPHTHALMIC LENS WITH FAST POWER VARIATION |
| CN103777368B (en) * | 2014-01-16 | 2018-09-14 | 段亚东 | A kind of wide visual field myopic peripheral defocus spectacle lens |
| CN104090380A (en) * | 2014-07-04 | 2014-10-08 | 段亚东 | Peripheral out-of-focus frame eyeglass lens with functional area asymmetric correction quantity |
| US11567347B2 (en) * | 2017-04-28 | 2023-01-31 | Brien Holden Vision Institute Limited | Systems, methods and devices for controlling the progression of myopia |
| CN114994948B (en) * | 2022-07-19 | 2022-11-25 | 欧普康视科技股份有限公司 | Frame spectacle lens |
-
2023
- 2023-10-08 CN CN202311291862.XA patent/CN117111328B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215678948U (en) * | 2021-08-29 | 2022-01-28 | 苏州明世光学科技有限公司 | Out-of-focus spectacle lens suitable for teenager myopia control |
| CN116027571A (en) * | 2022-12-06 | 2023-04-28 | 首都医科大学附属北京同仁医院 | Myopia defocusing lens and myopia defocusing glasses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117111328A (en) | 2023-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7686449B2 (en) | Eyewear retention system and method | |
| US6056399A (en) | Interchangeable nosepiece system | |
| US5805261A (en) | Biased eyeglass frames | |
| CN101855590B (en) | Ophthalmic lens element | |
| US5969790A (en) | Multi prism image enhancing lens system and method of making same | |
| CA2171697A1 (en) | Rotationally stabilized contact lens and methods of lens stabilization | |
| US20060245052A1 (en) | Light-weight high resolution viewer | |
| CN216434562U (en) | Spectacle lens and optical spectacles | |
| AU2021218773B2 (en) | Apparatus and methods of ancillary spectacle kit solution for myopia management | |
| JP2019078859A (en) | Farsighted spectacle lens and farsighted spectacles | |
| EP4034940A1 (en) | Apparatus and methods of spectacle solutions for myopia | |
| CN117111328B (en) | Adjustable high-precision myopia defocusing prevention and control glasses | |
| JPH06509011A (en) | High power telephoto glasses for age-related macular degeneration | |
| AU2014275090B2 (en) | Non-progressive corridor bi-focal lens with substantially tangent boundary of near and distal visual fields | |
| CN208861095U (en) | A kind of multifocal progressive lenses | |
| CN217639824U (en) | All-focus lens for delaying hyperopia development | |
| US20240012270A1 (en) | Adjustable out-of-focus glasses | |
| CN216434569U (en) | Spectacle lens and optical spectacles | |
| CN201035248Y (en) | Advance gradually multiple focus compound spectacles piece of bevelled mirror | |
| CN115728961A (en) | Spectacle lens and optical spectacles | |
| CN102236175A (en) | Multiple lens geometries for safety glasses | |
| CN211554515U (en) | Glasses lens capable of preventing, controlling and correcting myopia | |
| CN221008030U (en) | High-precision defocusing prevention and control lens and glasses | |
| CN220121093U (en) | Peripheral retinal front defocusing glasses | |
| CN221101162U (en) | VR/MR glasses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |