CN210666240U - Anti-fatigue glasses - Google Patents
Anti-fatigue glasses Download PDFInfo
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- CN210666240U CN210666240U CN201921134403.XU CN201921134403U CN210666240U CN 210666240 U CN210666240 U CN 210666240U CN 201921134403 U CN201921134403 U CN 201921134403U CN 210666240 U CN210666240 U CN 210666240U
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- glasses
- fatigue
- direction adjusting
- light direction
- light
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- 239000011521 glass Substances 0.000 title claims abstract description 55
- 230000002929 anti-fatigue Effects 0.000 title claims abstract description 28
- 210000001508 eye Anatomy 0.000 claims abstract description 66
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 210000003205 muscle Anatomy 0.000 abstract description 11
- 210000005252 bulbus oculi Anatomy 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000825 pharmaceutical preparation Substances 0.000 abstract description 4
- 208000003464 asthenopia Diseases 0.000 description 10
- 239000003814 drug Substances 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
- 208000029091 Refraction disease Diseases 0.000 description 4
- 230000004430 ametropia Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000001491 myopia Diseases 0.000 description 4
- 230000004379 myopia Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 208000014733 refractive error Diseases 0.000 description 4
- 206010020675 Hypermetropia Diseases 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 201000006318 hyperopia Diseases 0.000 description 3
- 230000004305 hyperopia Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 208000003556 Dry Eye Syndromes Diseases 0.000 description 2
- 206010013774 Dry eye Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007688 edging Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000001179 pupillary effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 201000009487 Amblyopia Diseases 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- Eyeglasses (AREA)
Abstract
The anti-fatigue glasses comprise a glasses substrate and a glasses frame, wherein the glasses substrate is fixed on the glasses frame, the anti-fatigue glasses further comprise a light direction adjusting lens for realizing an anti-fatigue function, and the light direction adjusting lens is used for deflecting incident light to enable the incident light to enter human eyes in a manner similar to parallel light; the light direction adjusting lens is fixed on the glasses substrate, and the optical center of the light direction adjusting lens is superposed with the optical center of the glasses substrate. The utility model provides an anti-fatigue glasses, which can adjust the eye position and train the eye muscle under the condition of not interrupting normal use of eyes (namely, seeing objects by two eyes simultaneously), prevent the eyeball from being in a fixed refraction state for a long time, prevent the eye muscle from being in a fixed stretching state for a long time, and realize the anti-fatigue effect through the training of the eyeball and the eye muscle when using eyes; the utility model is a pure physical technical method, and does not relate to the intake of any pharmaceutical preparation.
Description
Technical Field
The utility model belongs to the technical field of the optics is looked to the eye and specifically relates to a novel glasses that are used for adjusting eye muscle so that reach the tired purpose of alleviating eye.
Background
Along with the rapid popularization of electronic products such as personal computers, tablets, mobile phones and the like in work and entertainment, the eye using population and the eye using amount are exponentially increased, and the accompanying eye fatigue phenomenon is also highlighted. The eye fatigue can not be relieved after long-term use, and the eye diseases such as ametropia (myopia or hypermetropia), amblyopia, strabismus and the like are easily caused; or causing eye discomfort symptoms such as dry eyes and dry eyes. Eye strain is currently common to all eye people, but has a particularly large impact on adolescents whose eyes are in development. The screening data show that in recent years, the incidence rate of the ametropia of teenagers in China is continuously increased dramatically, and the myopia rate of high and middle stages is the highest and exceeds 80%. Therefore, it is necessary to develop techniques and products for alleviating eye fatigue for all people using eyes.
The prior art and methods for relieving eye strain include: (1) performing eye exercises in a timing manner; (2) an eye massager such as a prior art "eyestrain resistant massager (CN 106361555 a)" is used, which functions similarly to doing an eye exercises; (3) a pharmaceutical preparation for relieving asthenopia, such as "eyedrops for relieving asthenopia (CN 109512945 a)", is used. The methods (1) and (2) belong to physical methods, do not rely on drugs, and have to interrupt work and study when in use; the method (3) requires a long-term intake of the pharmaceutical preparation and has inevitable side effects. The closest technical method of the utility model is 'bionic glasses (CN 103142348A) for avoiding eyestrain', one eye is periodically shielded by using an electric control method, the shielded eye is forced to have a rest, and the other eye works with one eye. However, the eyes of the human are in a normal state when viewing objects at the same time, so that the stereoscopic vision can be obtained and the real perception of the external world can be realized, therefore, the method and the glasses are not only inconsistent with the normal eye use condition of the eyes, and the eyes of the human and the normal work of the related optic nervous system are inevitably influenced after the glasses are worn for a long time.
In summary, the prior art exists or necessitates the long-term intake of drugs; or the user needs to work with one eye and deviates from the normal eye use state; or defects and deficiencies that work or learning must be interrupted during use. Therefore, there is a need to develop new technologies and products to meet the urgent need of eye people to prevent eye fatigue.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an anti-fatigue glasses, which can adjust the eye position, train the eye muscles under the condition of not interrupting normal use of eyes (namely, seeing objects by eyes at the same time), prevent the eyeballs from being in a fixed refraction state for a long time, prevent the eye muscles from being in a fixed stretching state for a long time, and realize the anti-fatigue effect through the training of the eye balls and the eye muscles when using eyes; the utility model is a pure physical technical method, and does not relate to the intake of any pharmaceutical preparation.
The utility model provides a technical scheme that its technical problem adopted is:
the anti-fatigue glasses comprise a glasses substrate and a glasses frame, wherein the glasses substrate is fixed on the glasses frame, the anti-fatigue glasses further comprise a light direction adjusting lens for realizing an anti-fatigue function, and the light direction adjusting lens is used for deflecting incident light to enable the incident light to enter human eyes in a manner similar to parallel light; the light direction adjusting lens consists of array microprisms, and each microprism unit forming the array is the same in the array microprisms; the light direction adjusting lens is fixed on the glasses substrate, and the optical center of the light direction adjusting lens is superposed with the optical center of the glasses substrate.
In the present invention, the optical center is the position where the sight line passes through the lens when the eyes are looking straight at the target; the selection of the spectacle frame must comply with the pupillary distance requirements of the wearer, which is the same as the distance between the optical centers of the left and right spectacle lenses.
Further, the structure of the microprism unit is represented by a length L of a bottom edge and an angle a between a bevel edge and the bottom edge, and the refractive index of the air and the refractive index of the microprism material array are respectively represented by n1And n2Meaning that light passing through the array microprisms enters the human eye at an angle b, which is the angle of the light with respect to the y-axis.
Preferably, the angle a and the angle b satisfy formula (1):
the angle b ranges from 0.1 ° to 6 °.
The value of the length L of the bottom edge meets the formula (2):
e-α·L tan α>85％ (2)
α in equation (2) represents the absorption coefficient of the array microlens material.
Furthermore, the edge of the array micro-prism is perpendicular to the connecting line of the optical centers of the left eye and the right eye.
The material of the light direction adjusting lens is optical plastic with good optical performance in a visible light wave band, and the optical plastic comprises but is not limited to polymethyl methacrylate (PMMA) or Polycarbonate (PC) and the like.
Still further, the eyeglass substrate is a plano lens, a concave lens or a convex lens. The following three cases are included: (1) for a user without ametropia, selecting a plano lens as a substrate; (2) for a user with myopia, selecting a concave lens as a substrate, the concave lens having the same diopter power as the myopic spectacle lens the user is using; (3) for a user suffering from hyperopia, a convex lens is selected as the substrate, the power of the convex lens being the same as the power of the presbyopic lens the user is using.
The side, provided with the array micro-prisms, of the light direction adjusting lens faces the glasses substrate, and the optical center of the light direction adjusting lens is aligned with the optical center of the glasses substrate and then fixed and assembled. When the glasses are fixedly assembled, the left eye and the right eye are respectively aligned and fixedly assembled with the light direction adjusting lens and the glasses substrate. The fixing and assembling method includes, but is not limited to, a mechanical method (such as welding), a chemical method (such as bonding), and the like.
The technical conception of the utility model is as follows: the micro-structure optical device is used for deflecting light rays, so that objects near the photopic distance seen by two eyes are at near infinity, the refraction state and the stretching state of eye muscles are adjusted, and the eye muscles and eyeballs are relaxed and exercised regularly.
The anti-fatigue glasses are based on a pure physical mode, do not relate to the intake of medicines, are convenient to wear or take off and switch, do not need to stop working when in use, can relax and exercise eye muscles and eyeballs while using eyes, and achieve the anti-fatigue effect.
The beneficial effects of the utility model are that: 1. the utility model relates to a novel anti-fatigue glasses, which can be used in the eye using state without interrupting the work; 2. based on the deflection principle of the microstructure optical device to light rays, the device belongs to a pure physical mode and does not relate to the intake of medicines; 3. the anti-fatigue glasses are simple in structure, and the core components of the anti-fatigue glasses, namely the light direction adjusting lenses, can be integrally manufactured in batches; 4. small size, light weight, good firmness and convenient carrying and use.
Drawings
Fig. 1 is a schematic structural diagram of the anti-fatigue glasses of the present invention, wherein 1 represents a light direction adjusting lens, 2 represents a glasses substrate, and 3 represents a glasses frame.
FIG. 2 is a schematic view of the structure of the light direction adjusting lens in the anti-fatigue glasses of the present invention, wherein x and y represent the horizontal axis and the vertical axis of the coordinate system, L is the length of the base of the microprism unit, a is the angle between the hypotenuse and the base of the microprism, and n is the angle between the hypotenuse and the base of the microprism1And n2Respectively representing the refractive index of air and the refractive index of the material of the array microprisms, the angle b represents the included angle between the light rays passing through the array microprisms and the y-axis, (a) is a schematic structural diagram of the whole, (b) is a cross-sectional diagram of the whole, and (c) is a schematic unit diagram of the microprisms.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an anti-fatigue glasses comprises a glasses substrate 2 and a glasses frame 3, wherein the glasses substrate 2 is fixed on the glasses frame 3, the anti-fatigue glasses further comprises a light direction adjusting lens 1 for implementing an anti-fatigue function, and the light direction adjusting lens 1 is used for deflecting incident light to enable the incident light to enter human eyes in an approximately parallel light manner; the light direction adjusting lens 3 is composed of array microprisms, and each microprism unit forming the array is the same in the array microprisms; the light direction adjusting lens 1 is fixed on the glasses substrate 2, and the optical center of the light direction adjusting lens 1 is overlapped with the optical center of the glasses substrate 2.
In the present invention, the optical center is the position where the sight line passes through the lens when the eyes are looking straight at the target; the selection of the spectacle frame must comply with the pupillary distance requirements of the wearer, which is the same as the distance between the optical centers of the left and right spectacle lenses.
Further, the structure of the microprism unit is represented by a length L of a bottom edge and an angle a between a bevel edge and the bottom edge (x-axis), and the refractive index of the air and the refractive index of the microprism material array are respectively represented by n1And n2It is shown that light passing through the array of microprisms enters the human eye at an angle b, which is the angle of the light with respect to the y-axis (see fig. 2).
The angle a and the angle b satisfy formula (1):
the angle b ranges from 0.1 ° to 6 °.
The value of the length L of the bottom edge meets the formula (2):
e-α·L tan α＞85％ (2)
α in equation (2) represents the absorption coefficient of the array microlens material.
The edge of the array micro-prism is perpendicular to the optical center connecting line of the left eye and the right eye.
The material of the light direction adjusting lens is optical plastics with good optical performance in a visible light waveband, and the optical plastics include but are not limited to polymethyl methacrylate (PMMA), Polycarbonate (PC) and the like.
Still further, the eyeglass substrate comprises the following three cases: (1) for a user without ametropia, selecting a plano lens as a substrate; (2) for a user with myopia, selecting a concave lens as a substrate, the concave lens having the same diopter power as the myopic spectacle lens the user is using; (3) for a user suffering from hyperopia, a convex lens is selected as the substrate, the power of the convex lens being the same as the power of the presbyopic lens the user is using.
The side, provided with the array micro-prisms, of the light direction adjusting lens faces the glasses substrate, and the optical center of the light direction adjusting lens is aligned with the optical center of the glasses substrate and then fixed and assembled. When the glasses are fixedly assembled, the left eye and the right eye are respectively aligned and fixedly assembled with the light direction adjusting lens and the glasses substrate. The fixing and assembling method includes, but is not limited to, a mechanical method (such as welding), a chemical method (such as bonding), and the like.
In this embodiment, after the light direction adjusting lens and the eyeglass substrate are fixed, the optical center position is marked at the edge of the eyeglass substrate, and the left and right eyes are separated to cut the eyeglass substrate. The cutting is based on the coincidence of the optical center and the pupil position. After the cutting is completed, edging is performed, and then the glasses are put into the glasses frame. When the lenses subjected to cutting and edging are installed into the glasses frame, the interpupillary distance is measured and calibrated, and the equal light deflection angles and opposite directions of the left eye and the right eye are ensured.
The anti-fatigue glasses provided by the embodiment are based on a pure physical mode, do not relate to the intake of medicines, are convenient to wear or take off and switch, do not need to stop working during use, can relax and exercise eye muscles and eyeballs while using eyes, and achieve the anti-fatigue effect.
Claims (6)
1. The anti-fatigue glasses are characterized by further comprising light direction adjusting lenses for realizing an anti-fatigue function, wherein the light direction adjusting lenses are used for deflecting incident light to enable the incident light to enter human eyes in a manner similar to parallel light; the light direction adjusting lens consists of array microprisms, and each microprism unit forming the array is the same in the array microprisms; the light direction adjusting lens is fixed on the glasses substrate, and the optical center of the light direction adjusting lens is superposed with the optical center of the glasses substrate.
2. The fatigue-resistant spectacles of claim 1, wherein the structure of the microprism elements is represented by a length L of the base and an angle a between the hypotenuse and the base, and the refractive index of air and the refractive index of the microprism material of the array are represented by n1And n2The light passing through the array microprism enters human eyes at an angle b, wherein the angle b is an included angle between the light and a y axis, and the angle a and the angle b satisfy the formula (1):
the value range of the angle b is 0.1-6 degrees;
the value of the length L of the bottom edge meets the formula (2):
e-α·L tan a＞85％ (2)
α in equation (2) represents the absorption coefficient of the array microlens material.
3. The fatigue resistant eyewear of claim 2, wherein the edges of said microprisms are perpendicular to the line joining the optical centers of the left and right eye.
4. An anti-fatigue spectacle according to any one of claims 1 to 3, wherein the light direction adjusting lens is made of methyl methacrylate or polycarbonate.
5. An anti-fatigue spectacle according to any one of claims 1 to 3, wherein the spectacle substrate is a plano lens, a concave lens or a convex lens.
6. A fatigue-resistant spectacles according to claim 2 or 3, wherein the side of the light direction adjusting lens on which the array of microprisms is formed faces the spectacle substrate, and the optical center of the light direction adjusting lens is fixedly assembled after being aligned with the optical center of the spectacle substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134403.XU CN210666240U (en) | 2019-07-19 | 2019-07-19 | Anti-fatigue glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921134403.XU CN210666240U (en) | 2019-07-19 | 2019-07-19 | Anti-fatigue glasses |
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| Publication Number | Publication Date |
|---|---|
| CN210666240U true CN210666240U (en) | 2020-06-02 |
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|---|---|---|---|
| CN201921134403.XU Active CN210666240U (en) | 2019-07-19 | 2019-07-19 | Anti-fatigue glasses |
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| CN (1) | CN210666240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515220A (en) * | 2019-07-19 | 2019-11-29 | 浙江工业大学 | A kind of anti-fatigue glasses |
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2019
- 2019-07-19 CN CN201921134403.XU patent/CN210666240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515220A (en) * | 2019-07-19 | 2019-11-29 | 浙江工业大学 | A kind of anti-fatigue glasses |
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