CN116020057B - Light feeding instrument with sight guiding function - Google Patents
Light feeding instrument with sight guiding function Download PDFInfo
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- CN116020057B CN116020057B CN202310140688.2A CN202310140688A CN116020057B CN 116020057 B CN116020057 B CN 116020057B CN 202310140688 A CN202310140688 A CN 202310140688A CN 116020057 B CN116020057 B CN 116020057B
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- 210000001508 eye Anatomy 0.000 claims abstract description 26
- 210000001525 retina Anatomy 0.000 claims abstract description 23
- 230000000474 nursing effect Effects 0.000 claims description 47
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000004438 eyesight Effects 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims 1
- 238000000554 physical therapy Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 8
- 210000005252 bulbus oculi Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002207 retinal effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 208000003556 Dry Eye Syndromes Diseases 0.000 description 1
- 206010013774 Dry eye Diseases 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000004089 microcirculation Effects 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The invention relates to the technical field of light feeding instruments, and particularly discloses a light feeding instrument with a sight guiding function, which comprises a shell, wherein two light path channels are arranged in the shell side by side, a light source module is arranged in the light path channels, a slide rail module is also arranged in the light path channels, the light source module can be adjustably arranged on the slide rail module, the light source module comprises a light feeding source and a sight mark light source, the orthographic projection of the light feeding source in the direction of the sight mark light source surrounds the periphery of the sight mark light source, the light emitted by the light feeding source irradiates on a retina to form an annular light spot, and the color of the light emitted by the light feeding source is different from that of the light emitted by the sight mark light source. When the device is used, eyes watch the optotype light source, the optotype light source is enabled to image the most central position of the fovea, physiotherapy light can irradiate a specific area, and the reduction of physiotherapy effect caused by irradiation damage of the fovea in the physiotherapy process is avoided.
Description
Technical Field
The invention relates to the technical field of light feeding instruments, in particular to a light feeding instrument with a sight guiding function.
Background
At present, a light feeding instrument is increasingly used in the myopia physiotherapy process, and the specific principle is that a laser light source in the light feeding instrument is used for emitting red light of a specific wave band sensitive to eyes and irradiating the eyes for a certain time, and the photon biological stimulation effect is used for improving fundus microcirculation, so that the eye physiotherapy effect is realized. In addition, the most sensitive place of retinal sensitization is the fovea of the retina, which is a shallow funnel-like small depression of about 2mm diameter in the posterior pole of the retina, also known as the macular fovea. The retina around the fovea becomes slightly thicker, while the fovea retina is thinner, where there are only cone cells, so the fovea is the region where retinal vision is most powerful. The sensitivity and resolution of vision from the fovea to the peripheral portions of the retina gradually diminish. Therefore, attention is paid to the protection of the foveal area during the light physiotherapy. However, the vision instrument in the prior art is not provided with a vision standard for guiding vision, so that the fovea of the retina is easily damaged by irradiation due to the rotation of the eyeball of a patient in the physiotherapy process, and the physiotherapy effect is reduced.
Disclosure of Invention
The invention aims to solve the technical problems that: how to avoid the problem of the reduction of physiotherapy effect caused by irradiation damage of the fovea in the physiotherapy process.
In order to solve the technical problems, the invention provides a light feeding instrument with a sight line guiding function, which comprises a shell, wherein two light path channels are arranged in the shell side by side, and a light source module is arranged in the light path channels;
still be equipped with the slide rail module in the light path passageway, the light source module adjustable install in on the slide rail module, the light source module includes light source and optotype light source of feeding, wherein, light source of feeding is in the ascending orthographic projection of optotype light source direction is around locating the periphery of optotype light source, light that light source sent out shines on the retina and can form annular facula, just light source of feeding is different with the light colour that optotype light source sent.
Further preferably, an opening is formed at one end of the light path channel, a convex lens is arranged on the opening, and light rays emitted by the nursing light source and the optotype light source can be emitted to the convex lens.
Further preferably, the sliding rail module comprises a first sliding rail arranged in the optical path channel, the first sliding rail extends along the axial direction of the optical path channel, and the light source module is mounted on the first sliding rail and can move along the linear direction of the first sliding rail.
Further preferably, the light source module further comprises a light source housing, and the nursing light source and the optotype light source are arranged on the end face of the light source housing facing the convex lens together.
Further preferably, the optotype light source is arranged at the axis of the light source shell and plays a role in guiding the sight, and the nursing light sources are uniformly distributed around the optotype light source so that the light emitted by the nursing light source irradiates the retina to form an annular light spot.
Still preferably, the sliding rail module comprises a second sliding rail and a third sliding rail, the second sliding rail is arranged in the light path channel and is far away from one end of the convex lens, the third sliding rail is arranged in the light path channel and is close to one end of the convex lens, and the second sliding rail and the third sliding rail are arranged on the same straight line and all extend along the axial direction of the light path channel.
Further preferably, the optotype light source is arranged on the second sliding rail, the nursing light source is arranged on the third sliding rail, and the optotype light source and the nursing light source are both positioned at the axis of the light path channel.
Further preferably, a through hole is formed in the center of the nursing light source, so that light rays emitted by the optotype light source can pass through the through hole to irradiate on eyes of a user.
Further preferably, the nursing light source is an annular light source formed by uniformly distributing a plurality of small light sources.
Further preferably, the nursing light source is an annular band light source which emits light integrally.
Compared with the prior art, the light feeding instrument with the sight guiding function has the beneficial effects that:
the light source module comprises a nursing light source and a sighting mark light source which emit light rays with different colors, the orthographic projection of the nursing light source in the direction of the sighting mark light source surrounds the periphery of the sighting mark light source, the sighting mark light source is arranged at the center position of the nursing light source, when the device is used by a user, eyes watch the sighting mark light source, the sighting mark light source is imaged at the most center position of a retina fovea, the energy of the sighting mark light source is lower, and only the guiding function is realized, so that the effect of protecting the retina fovea is realized; the nursing light source is arranged on the periphery of the optotype light source, so that light rays emitted by the nursing light source irradiate the retina to form annular light spots, and the light spots are arranged on the periphery of the fovea, thereby avoiding the reduction of physiotherapy effect caused by irradiation damage of the fovea in the physiotherapy process, and the adjustment of the intensity and the angle of the light rays can be realized by utilizing the slide rail module to adjust the light source module.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the light source module according to the present invention.
Fig. 3 is a schematic view of another structure of the light source module according to the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a light path diagram of a second embodiment of the present invention.
Fig. 6 is a schematic view of the structure of the mask of the present invention.
In the figure, 1, a shell; 2. an optical path channel; 3. a light source module; 31. a light source housing; 32. a light source; 33. a optotype light source; 4. a first slide rail; 5. a head of a human body; 6. a convex lens; 7. a face mask; 8. a power switch; 9. a first slide switch; 10. a brightness adjusting knob; 11. a fixing belt; 12. a third slide switch; 13. a flexible pad; 14. a heating module; 15. a second slide rail; 16. a third slide rail; 17. and a second slide rail switch.
Note that a broken line in the figure indicates a propagation path of light.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "near," "far," "between," "inside," "outside," "facing," "toward," "orthographic projection in the direction of … …," "periphery," "circumference," "axis," "end face," "center," "parallel," etc. are used in the present invention as indicated by the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and are not intended to indicate or imply that the device or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, the invention provides a nursing instrument with a sight line guiding function, which is worn on the head 5 of a human body and is used for physiotherapy of eyes of a patient, the nursing instrument with the sight line guiding function comprises a shell 1, two light path channels 2 are arranged in the shell 1 side by side corresponding to the eyes, the axis of the light path channels 2 extends along the sight line direction, one end, far away from the eyes, of the light path channels 2 is provided with a light source module 3, and the light source module 3 is used for providing light rays for physiotherapy for the nursing instrument.
In specific embodiments, the end of the light path channel 2 far away from the eyes is further provided with a slide rail module, the slide rail module comprises a first slide rail 4 arranged in the light path channel 2, the first slide rail 4 extends along the axis direction of the light path channel 2, the light source module 3 is adjustably mounted on the first slide rail 4, and the light source module 3 can move back and forth to adjust the intensity and the angle of light.
The forward and backward movement described in the above embodiment means movement in the axial direction of the optical path channel 2, and forward movement means movement of the light source module 3 in a direction approaching the eyes, and backward movement means movement of the light source module 3 in a direction separating from the eyes.
In addition, the first slide rail 4 is preferably an electric slide rail in order to achieve electric drive.
In a specific embodiment, as shown in fig. 2, the light source module 3 includes a light source housing 31, a light source 32 for nursing light and a target light source 33, wherein the light source housing 31 is mounted on the first slide rail 4, the light source 32 for nursing light and the target light source 33 are jointly disposed on an end surface of the light source housing 31 facing the eyes, the target light source 33 is disposed at an axial center position of the light source housing 31 to play a role in guiding vision, and the light source 32 for nursing light is disposed at an outer periphery of the target light source 33, so that light emitted by the light source 32 can irradiate on the retina to form an annular light spot.
In this embodiment, the nursing light source 32 is an annular light source formed by uniformly distributing a plurality of small light sources, and the small light sources are uniformly distributed around the optotype light source 33, so as to provide physiotherapy light, and form annular light spots on the retina.
In this embodiment, the light source 32 and the optotype light source 33 emit different colors of light; generally, the light color of the optotype light source 33 is green for eye protection, and the light energy of the optotype light source 33 is low, which not only plays a role in guiding the sight, but also does not cause damage to the fovea.
In addition, the energy of the light emitted from the optotype light source 33 is weak, which is mainly used for guiding the line of sight, and the image of the optotype light source 33 on the retina is the fovea.
In this embodiment, the light spot irradiated onto the retina by the nursing light source 32 is an annular light spot, which is located around the fovea, and the eyeball is not excessively rotated in the process of irradiating physiotherapy through the sight line guide of the sighting mark light source 33, so that the fovea is always within the light spot range of the sighting mark light source 33, while the light spot of the nursing light source 32 is always irradiated around the fovea, thereby avoiding direct irradiation of the fovea and reducing the risk of damage to the fovea.
As shown in fig. 3, the light source module 3 may have another structure, specifically, the optotype light source 33 is disposed at the axial center of the light source housing 31, and the light source 32 is an integrally luminous annular band light source disposed around the optotype light source 33; the annular nursing light source 32 emits light more uniformly than the configuration shown in fig. 2, and the energy of the light spot irradiated on the retina is relatively more uniform.
In this embodiment, the light feeding instrument further has a control module, and the control module is electrically connected to the light source module 3 and the first slide rail 4, and the control module is respectively used for controlling the light intensity of the light source module 3 and the movement of the light source module 3 on the first slide rail 4.
In this embodiment, an opening is formed at one end of the optical path 2 near the eye, a convex lens 6 is disposed on the opening, and the light emitted by the light source module 3 can be emitted to the eye through the convex lens 6.
Further, the convex lens 6 is used for adjusting the path of light, and the distance between the virtual image and the eye, which are represented by the light source module 3 through the convex lens 6, is greater than the distance between the light source module 3 and the eyeball, so that the irradiation area of the light source module 3 is increased, that is, a relatively short distance between the light source module 3 and the eyeball can be maintained, and meanwhile, a considerable part of the area on the eyeball can still be irradiated.
Further, by arranging the convex lens 6, the distance between the light source module 3 and the eyeball is shortened under the condition that the range of the light source module 3 irradiated on the eyeball is unchanged, the thickness of the light feeding instrument is shortened, and the portability and wearing comfort are improved.
In addition, the light feeding instrument is also provided with a battery module, and the battery module is arranged in the shell 1 and is used for providing electric energy for the light feeding instrument; preferably, the housing 1 further has a charging hole, and the charging hole is connected with the battery module through a circuit, and is used for connecting an external power supply device to supplement electric energy for the battery module.
In some examples, the light feeding instrument may further be provided with a power switch 8, a first slide rail switch 9 and a brightness adjusting knob 10 on the housing 1; the power switch 8 is connected with the control module and the battery module in a circuit manner and is used for controlling the opening and closing of the light feeding instrument; the first slide rail switch 9 is electrically connected with the control module, and the first slide rail switch 9 is provided with a forward button and a backward button of the light source module 3, which are respectively used for sending a moving instruction to the control module, and the control module controls the first slide rail 4 to drive the light source module 3 to move forwards and backwards; and the brightness adjusting knob 10 is connected with the control module in a circuit way and used for adjusting the brightness of the nursing light source 32 and the optotype light source 33.
In addition, in some examples, the nursing instrument is also provided with a fixing band 11, and two ends of the fixing band 11 are respectively fixed on two sides of the shell 1 and used for fixing the nursing instrument on the head 5 of a human body.
In other examples, all fixed being provided with the magic subsides at the both ends of fixed band 11, also having the magic subsides on corresponding casing 1, the magic subsides of fixed band 11 tip can be laminated with the magic subsides on the casing 1, and then realize fixedly, in this example, set up the magic subsides in order to can adjust the size of fixed band 11 to deal with different size requirements.
Preferably, the fixing band 11 is an elastic fixing band.
In this embodiment, the light feeding instrument further has a mask 7, where the mask 7 is disposed on the housing 1 and located between the housing 1 and the face of the user, and is used for fitting the face of the user, so as to improve wearing comfort, and it should be noted that the position of the mask 7 corresponding to the optical path channel 2 is provided with an opening for light to irradiate the eyes of the user through the optical path channel 2.
In this embodiment, the flexible pad 13 is disposed in the wall of the housing of the mask 7, and the position of the flexible pad 13 corresponding to the opening of the mask 7 is also provided with an opening, so that light transmission is prevented, and in general, the flexible pad 13 is higher than the mask 7, so that contact with the face and the surrounding of the eye orbit of the user is facilitated, and wearing comfort is improved.
In addition, the flexible pad 13 is preferably a high-density sponge, so that the flexible pad 13 can be completely attached to the face of a user, and external light is prevented from entering the mask 7 to influence the treatment effect.
As shown in fig. 6, a heating module 14 may be further disposed inside the flexible pad 13, and the heating module 14 is electrically connected with the control module, so as to compress the face of the user when the user wears the light meter, promote blood circulation of eyes, relieve symptoms of eye fatigue, increase the temperature of eyes, effectively prevent and relieve dry eye symptoms, and promote physiotherapy effects.
In addition, a hot compress switch is provided on the housing 1 to control the operation state of the heating module 14, and in the above example, the heating module 14 is usually a heating wire, and the heating wire is uniformly distributed inside the flexible pad 13, so as to avoid contact with the face of the user.
Example 2
Referring to fig. 4 and 5, the difference between the present embodiment 2 and embodiment 1 is that: the light source module 3 of the embodiment includes a light source 32 and a sighting mark light source 33, the slide rail module includes a second slide rail 15 and a third slide rail 16, wherein the second slide rail 15 is disposed at one end of the optical path channel 2 far away from the convex lens 6, i.e. one end far away from the user, and the third slide rail 16 is disposed at one end of the optical path channel 2 near the convex lens 6 and between the sighting mark light source 33 and the user, and the second slide rail 15 and the third slide rail 16 are disposed on the same straight line and extend along the axial direction of the optical path channel 2; the optotype light source 33 is arranged on the second slide rail 15, the nursing light source 32 is arranged on the third slide rail 16, the optotype light source 33 and the nursing light source 32 are both positioned at the axis of the light path channel 2, and the optotype light source 33 is driven by the second slide rail 15 to move back and forth through control operation; the third slide rail 16 can drive the light source 32 to move back and forth, so as to change the irradiation angle of the light and the irradiation position of the light source to a certain extent.
Note that the forward and backward movement described in the above embodiment refers to movement in the axial direction of the optical path channel 2, the forward movement indicating movement of the light source module 3 in a direction approaching the eye, and the backward movement indicating movement of the light source module 3 in a direction departing from the eye.
In this embodiment, the orthographic projection of the nursing light source 32 in the direction of the optotype light source 33 surrounds the periphery of the optotype light source 33, the light emitted by the nursing light source 32 irradiates the retina to form a ring-shaped light spot, and the color of the light emitted by the nursing light source 32 is different from that of the light emitted by the optotype light source 33.
In this embodiment, a through hole is formed in the center of the nursing light source 32, so that the light emitted from the optotype light source 33 can pass through the through hole to be irradiated onto the eyes of the user, so as to provide the optotype for the user.
The light source 32 is an annular light source, which may be an annular light source formed by uniformly distributing a plurality of small light sources, or an annular belt light source which emits light integrally.
In addition, a second slide switch 17 and a third slide switch 12 are also provided on the housing 1; the second slide rail switch 17 is electrically connected to the control module, and the second slide rail switch 17 has a forward button and a backward button for controlling the optotype light source 33, and is respectively used for sending a moving command to the control module, and the control module controls the second slide rail 15 to drive the optotype light source 33 to move back and forth.
Similarly, the third slide rail switch 12 is electrically connected to the control module, and the third slide rail switch 12 has a forward button and a backward button for controlling the light source 32, which are respectively used for sending a movement command to the control module, and the control module controls the third slide rail 16 to drive the light source 32 to move back and forth.
In summary, the embodiment of the invention provides a nursing light instrument with a sight guiding function, wherein a light source module 3 comprises a nursing light source 32 and a sighting target light source 33 which emit light rays with different colors, the orthographic projection of the nursing light source 32 on the direction of the sighting target light source 33 surrounds the periphery of the sighting target light source 33, the sighting target light source 33 is arranged at the center position of the nursing light source 32, when a user uses the device, eyes watch the sighting target light source 32, the sighting target light source 32 is imaged at the most center position of a retina fovea, the energy of the sighting target light source 32 is lower, and the nursing light source 32 only plays a guiding role, thereby playing a role in protecting the retina fovea; the nursing light source 32 is arranged on the periphery of the optotype light source 33, so that the light emitted by the nursing light source 32 irradiates the retina to form an annular light spot, and the light spot is arranged on the periphery of the fovea, thereby avoiding the reduction of physiotherapy effect caused by irradiation damage of the fovea in the physiotherapy process, and the adjustment of the intensity and angle of the light can be realized by utilizing the slide rail module to adjust the light source module 3.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention. While there has been shown and described what are at present considered to be fundamental principles, main features and advantages of the present invention, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing preferred embodiments, and that the examples should be considered as exemplary and not limiting, the scope of the present invention being defined by the appended claims rather than by the foregoing description, and it is therefore intended to include within the invention all changes which fall within the meaning and range of equivalency of the claims.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail herein, but rather is provided for the purpose of enabling those skilled in the art to make and use the embodiments described herein.
Claims (3)
1. The utility model provides a light instrument of feeding with sight guide function, includes the casing, set up two light path passageway side by side in the casing, be equipped with light source module, its characterized in that in the light path passageway:
the light path channel is internally provided with a sliding rail module, the light source module is adjustably arranged on the sliding rail module, the light source module comprises a light source for feeding and a sighting mark light source, wherein the orthographic projection of the light source for feeding in the direction of the sighting mark light source surrounds the periphery of the sighting mark light source, the light emitted by the light source for feeding irradiates on retina to form annular light spots, and the color of the light emitted by the light source for feeding is different from that of the light emitted by the sighting mark light source;
the mask is arranged on the shell and positioned between the shell and the face of a user, an opening is arranged at the position of the mask corresponding to the light path channel, a flexible pad is arranged in the shell wall of the mask, and a heating module is arranged in the flexible pad;
an opening is formed in one end of the light path channel, a convex lens is arranged on the opening, and light rays emitted by the light source for nursing light and the light source for sighting mark can be emitted to the convex lens;
the light source for nursing is different from the light source for optotype, the light color of optotype is green, the imaging of optotype on retina is fovea, the energy of light emitted by optotype is low, which not only plays the role of guiding sight, but also can not cause damage to fovea;
the sliding rail module comprises a second sliding rail and a third sliding rail, the second sliding rail is arranged at one end, far away from the convex lens, of the light path channel, the third sliding rail is arranged at one end, close to the convex lens, of the light path channel, and the second sliding rail and the third sliding rail are arranged on the same straight line and extend along the axial direction of the light path channel;
the optotype light source is arranged on the second sliding rail, the light feeding light source is arranged on the third sliding rail, and the optotype light source and the light feeding light source are both positioned at the axis of the light path channel;
the center of the nursing light source is provided with a through hole, so that light rays emitted by the optotype light source can pass through the through hole and irradiate on eyes of a user.
2. The nursing light instrument with the sight line guiding function according to claim 1, wherein the nursing light source is an annular light source formed by uniformly distributing a plurality of small light sources.
3. The nursing light instrument with vision guiding function as defined in claim 1, wherein the nursing light source is an integrally lighted annular band light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310140688.2A CN116020057B (en) | 2023-02-20 | 2023-02-20 | Light feeding instrument with sight guiding function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310140688.2A CN116020057B (en) | 2023-02-20 | 2023-02-20 | Light feeding instrument with sight guiding function |
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| CN116020057A CN116020057A (en) | 2023-04-28 |
| CN116020057B true CN116020057B (en) | 2024-04-09 |
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| CN115245311A (en) * | 2022-07-15 | 2022-10-28 | 北京鹰瞳科技发展股份有限公司 | Multifunctional device for eyes |
| CN219128062U (en) * | 2023-02-20 | 2023-06-06 | 光朗(海南)生物科技有限责任公司 | Light feeding instrument with physiotherapy protection function |
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|---|---|---|---|---|
| KR20210112072A (en) * | 2020-03-04 | 2021-09-14 | 원재연 | Eye disease treatment apparatus |
| CN216318777U (en) * | 2021-11-17 | 2022-04-19 | 苏州宣嘉光电科技有限公司 | Light source module and vision training instrument |
| CN216456562U (en) * | 2021-11-25 | 2022-05-10 | 三维医疗科技有限公司 | Light feeding instrument for protecting retina |
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