CN219533516U - Vision correction reinforcing device - Google Patents
Vision correction reinforcing device Download PDFInfo
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- CN219533516U CN219533516U CN202321024041.5U CN202321024041U CN219533516U CN 219533516 U CN219533516 U CN 219533516U CN 202321024041 U CN202321024041 U CN 202321024041U CN 219533516 U CN219533516 U CN 219533516U
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Abstract
The utility model relates to the technical field of vision correction, in particular to a vision correction enhancing device, which is provided with at least one group of vision correction components, wherein the vision correction components comprise: a projection member, the projection direction of which is provided with a projection objective; the first light-emitting surface of the vibration beam-splitting prism faces the projection piece, and a human eye correction space is reserved on one side of the second light-emitting surface of the vibration beam-splitting prism facing the projection piece; the vibrating mirror faces the vibration beam splitter prism and is arranged at an angle with the vibration beam splitter prism, the vibrating mirror and the projection piece are respectively arranged on two sides of the vibration beam splitter prism, and the vibrating mirror is suitable for receiving light rays parallel to the direction of the first light inlet surface of the vibration beam splitter prism and deflecting the light rays to the second light inlet surface of the vibration beam splitter prism. Through the cooperation of the sagittal direction and the meridian direction, a large conical visual field can be obtained by scanning and enters human eyes, and a visual field larger than the normal viewing of a patient is obtained according to the automatic fusion of the brain.
Description
Technical Field
The utility model relates to the technical field of vision correction, in particular to a vision correction enhancing device.
Background
Many people now suffer from vision impairment due to ophthalmic diseases or industrial injuries, and the like, resulting in symptoms of incomplete vision, including single-eye vision, double-eye vision insufficiency, double-eye vision non-uniformity, and the like. The left and right eye vision of a low vision user is lost, which can cause the vision to be too narrow. If an object is present directly in front of it, the low vision user will gradually not see the object during the forward travel.
The existing low vision aid is a type of vision aid used for improving the resolution of target object details and reading capability for low vision users. The target object is amplified, so that the life self-care ability and the working ability of a user are improved to a certain extent, and the optical vision correction device and the electronic vision correction device can be divided into various different types. However, the prior vision correction device is usually only suitable for short-distance use and cannot be used in outdoor activities at the expense of the visual field, i.e. the range of the scene seen by the user, although the target is enlarged during use.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the vision correction device in the prior art can sacrifice the visual field of a user when in use, so as to provide the vision correction enhancing device.
In order to solve the above technical problem, the present utility model provides a vision correction enhancing device, which has at least one group of vision correction components, wherein the vision correction components include:
a projection member, the projection direction of which is provided with a projection objective;
the first light-emitting surface of the vibration beam-splitting prism faces the projection piece, and a human eye correction space is reserved on one side of the second light-emitting surface of the vibration beam-splitting prism facing the projection piece;
the vibrating mirror faces the vibration beam splitter prism and is arranged at an angle with the vibration beam splitter prism, the vibrating mirror and the projection piece are respectively arranged on two sides of the vibration beam splitter prism, and the vibrating mirror is suitable for receiving light rays parallel to the direction of the first light inlet surface of the vibration beam splitter prism and deflecting the light rays into the second light inlet surface of the vibration beam splitter prism.
Optionally, the included angle between the vibrating mirror and the second light incident surface of the vibration beam splitter prism is 10-80 degrees.
Optionally, the included angle between the vibrating mirror and the second light incident surface of the vibration beam splitter prism is 45 degrees.
Optionally, a light modulator is mounted between the vibration beam splitter prism and the human eye correction space.
Optionally, the vision correction modules are arranged in pairs, and the vision correction modules arranged in pairs are arranged in mirror symmetry.
Optionally, a pair of projection members arranged in mirror image is arranged between a pair of vibration beam splitting prisms.
Optionally, the device further comprises a projection shell, wherein the pair of projection pieces and the pair of projection objective lenses are arranged in the projection shell, and projection openings are formed in the projection shell towards two sides of the two vibration beam splitting prisms.
Optionally, a pair of vibrating mirrors disposed in a mirror image are disposed on opposite sides of the pair of vibration splitting prisms.
The technical scheme of the utility model has the following advantages:
1. the present utility model provides a vision correction enhancing device having at least one set of vision correction elements, the vision correction elements comprising: a projection member, the projection direction of which is provided with a projection objective; the first light-emitting surface of the vibration beam-splitting prism faces the projection piece, and a human eye correction space is reserved on one side of the second light-emitting surface of the vibration beam-splitting prism facing the projection piece; the vibrating mirror faces the vibration beam splitter prism and is arranged at an angle with the vibration beam splitter prism, the vibrating mirror and the projection piece are respectively arranged on two sides of the vibration beam splitter prism, and the vibrating mirror is suitable for receiving light rays parallel to the direction of the first light inlet surface of the vibration beam splitter prism and deflecting the light rays into the second light inlet surface of the vibration beam splitter prism.
When the vision correction enhancing device is worn by a patient with impaired vision, human eyes enter the human eye correction space, and the human eyes face the second light emitting surface. Before formal wearing, a standard vision contrast table is projected in front of human eyes by the projection piece through the projection objective lens and the vibration beam splitter prism, and the optimal and comfortable vision range is obtained by the human eyes through adjusting the angles of the vibration beam splitter prism and the vibration mirror. The vibrating mirror is arranged on one side of the vibration beam splitter prism, the vibrating mirror deflects the light on one side of the vibration beam splitter prism by 90 degrees, and then the light enters human eyes through the vibration beam splitter prism by 90 degrees. The vibrating mirror deflects the light which cannot enter the human eye due to the damage of the visual field of the patient on one side of the vibrating beam splitter into the light in the sagittal direction, and then deflects the light into the human eye again through the vibrating beam splitter. The light rays of the part of the vision field reserved after the vision field of the patient is lost directly enter the human eyes through the vibration beam splitting prism. Through the cooperation of the sagittal direction and the meridian direction, a large conical visual field can be obtained by scanning and enters human eyes, and a visual field larger than the normal viewing of a patient is obtained according to the automatic fusion of the brain.
2. According to the vision correction enhancing device provided by the utility model, the light modulator is arranged between the vibration beam splitting prism and the human eye correction space. Through setting up the light modulator, before formally wearing, utilize spatial light modulator to based on the eye aberration of people's eyesight reaction repeated modulation, until the human eye obtains the best and most comfortable eyesight, the parameter of fixed light modulator this moment lets the patient wear always, and the light modulator corrects the aberration when the patient wears vision correction reinforcing apparatus for the patient can see clear comfortable image.
3. According to the vision correction enhancing device provided by the utility model, the vision correction components are arranged in pairs, and the vision correction components arranged in pairs are arranged in mirror symmetry. The vision correction enhancing device worn by the patient with the damaged monocular vision can be provided with only one vision correction component, and the patient with the damaged binocular vision is worn with the vision correction enhancing device provided with the paired vision correction components, so that the binocular vision is corrected and compensated simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram illustrating the operation of the vision correction enhancing device according to the embodiment of the present utility model.
Fig. 2 is a schematic view of a vision correction enhancing device provided in an embodiment of the present utility model.
Reference numerals illustrate: 1. vibrating mirror; 2. a vibration beam-splitting prism; 3. an optical modulator; 4. a human eye; 5. a projection objective; 6. a projection member; 7. spectacle legs; 8. a projection housing; 9. and a field view observation frame.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, 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 utility model 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 utility model. 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.
In the description of the present utility model, it should be noted that, 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 utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Fig. 1 and fig. 2 show a vision correction enhancing device according to this embodiment, which has two groups of vision correction components, and the two groups of vision correction components are arranged in mirror symmetry, so that the vision correction device is worn by a patient with impaired binocular vision. A vision correction enhancing device for wearing by a patient with impaired monocular vision may be provided with only one set of vision correction components. The vision correction assembly comprises an LED micro-projection screen as a projection member 6, a vibration beam splitter prism 2 and a vibrating mirror 1.
As shown in fig. 1, a projection objective 5 is mounted in the projection direction of the projector 6. The first light emitting surface of the vibration beam splitter prism 2 is arranged towards the projection piece 6, and a correction space for the human eye 4 is reserved on one side of the second light emitting surface of the vibration beam splitter prism 2. The vibrating mirror 1 faces the vibration beam splitter prism 2 and is arranged at an angle with the vibration beam splitter prism 2, the vibrating mirror 1 and the projection piece 6 are respectively arranged at the left side and the right side of the vibration beam splitter prism 2, and the vibrating mirror 1 is suitable for receiving light rays parallel to the direction of the first light incident surface of the vibration beam splitter prism 2 and deflecting the light rays into the second light incident surface of the vibration beam splitter prism 2. The vibrating mirror 1 is rotatably installed around the vertical direction, so that the angle between the vibrating mirror 1 and the beam splitting prism can be adjusted. The included angle between the vibrating mirror 1 and the second light incident surface of the vibration beam splitting prism 2 is adjusted to be 10-80 degrees. When the device leaves the factory, the included angle between the vibrating mirror 1 and the second light incident surface of the vibration splitting prism 2 is set to be 45 degrees, so that the angle of the vibrating mirror 1 can be adjusted later.
In order to correct aberrations of the human eye 4, a light modulator 3 is installed between the vibration beam splitter prism 2 and the human eye 4 correction space. In the two groups of vision correction modules arranged in a mirror-image symmetry manner in the embodiment, a pair of projection pieces 6 arranged in a mirror-image manner are arranged between a pair of vibration beam splitter prisms 2. The pair of projection pieces 6 and the pair of projection objectives 5 are arranged in the projection shell 8, and projection openings are formed in the projection shell 8 towards two sides of the two vibration beam splitting prisms 2. The pair of vibrating mirrors 1 are arranged on two opposite sides of the pair of vibrating beam splitting prisms 2.
In order to be worn by a patient, the vision correction enhancing device in this embodiment is in the form of a frame glasses, specifically, as shown in fig. 2, the frame glasses include a projection housing 8 in the middle, a pair of projection members 6 and a pair of projection objective lenses 5 are fixedly installed in the projection housing 8, a pair of field observation frames 9 are provided on both sides of the projection housing 8, and the spatial light modulator, the vibration beam splitter prism 2 and the vibrating mirror 1 are all installed in the field observation frames 9, so that the human eyes 4 observe an external scene through the field observation frames 9. Wherein the spatial modulator is mounted perpendicular to the viewing axis; the second light-emitting surface of the vibration beam-splitting prism 2 is installed towards the correction space of the human eye 4, and the vibration beam-splitting prism 2 is rotatably installed along the meridian direction through a screw rod, so that the angles of the light-entering surface and the light-emitting surface of the vibration beam-splitting prism 2 can be adjusted, and in order to prevent the screw rod from blocking the view, the screw rod is only abutted and fixed with two sides of the vibration beam-splitting prism 2, and the screw rod does not extend into the vibration beam-splitting prism 2; the vibrating mirror 1 is obliquely arranged on one side of the vibration beam splitter prism 2, and the vibrating mirror 1 is rotatably arranged along the sagittal direction through a screw rod, so that the angle between the vibrating mirror 1 and the vibration beam splitter prism 2 can be adjusted. The angles of the vibration beam splitter prism 2 and the vibration mirror 1 are locked and fixed through nuts after rotating in place. For convenient wearing, the glasses legs 7 are rotatably arranged at two sides of the two visual field observation frames 9.
When the vision correction enhancing device is worn by a patient, the vibrating mirror 1 deflects the light entering the visual field of the human eye 4 of the patient by 90 degrees, then the light enters the spatial light modulator 3 through the vibration beam splitting prism 2 by 90 degrees, and then enters the human eye 4. The vibrating mirror 1 can rotate along the sagittal direction, the vibrating beam splitting prism 2 can rotate along the meridional direction, the meridional direction and the sagittal direction are perpendicular to the visual axis direction, the meridional sagittal direction is perpendicular to each other, a large cone-shaped visual field is obtained by matching high-frequency scanning of the sagittal direction and the meridional direction, and the visual field which is larger than the normal visual field of a patient is obtained according to automatic fusion of the brain and enters the human eyes 4. Before the glasses are worn, the aberration of a patient is corrected by using the spatial light modulator 3, and the specific correction method is as follows: the LED micro-projection screen as the projection piece 6 projects a standard vision reference chart in front of the human eye 4 through the projection objective 5 and the vibration beam splitter prism 2, the aberration of the human eye 4 is repeatedly modulated by the spatial light modulator 3 based on the vision response of the human eye until the human eye 4 obtains the best and most comfortable vision, and at the moment, the parameters of the spatial light modulator 3 are fixed, so that the patient can wear the lens until the next time after the aberration is newly modulated.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (8)
1. A vision correction enhancing device having at least one set of vision correction components, the vision correction components comprising:
a projection member (6) in which a projection objective (5) is mounted in the projection direction;
the first light-emitting surface of the vibration beam-splitting prism (2) faces the projection piece (6), and a correction space for human eyes (4) is reserved on the side, facing the second light-emitting surface, of the vibration beam-splitting prism;
the vibrating mirror (1) faces the vibrating beam-splitting prism (2) and is arranged at an angle with the vibrating beam-splitting prism (2), the vibrating mirror (1) and the projection piece (6) are respectively arranged on two sides of the vibrating beam-splitting prism (2) opposite to each other, and the vibrating mirror (1) is suitable for receiving light rays parallel to the direction of the first light incident surface of the vibrating beam-splitting prism (2) and deflecting the light rays into the second light incident surface of the vibrating beam-splitting prism (2).
2. The vision correction enhancing device according to claim 1, wherein an included angle between the vibrating mirror (1) and the second light incident surface of the vibration beam splitter prism (2) is 10 ° to 80 °.
3. The vision correction enhancing device according to claim 1, wherein the angle between the vibrating mirror (1) and the second light incident surface of the vibration beam splitter prism (2) is 45 °.
4. A vision correction enhancing device as claimed in any one of claims 1 to 3, characterized in that a light modulator (3) is mounted between the vibration splitting prism (2) and the correction space of the human eye (4).
5. A vision correction enhancing device as claimed in any one of claims 1 to 3 wherein said vision correction elements are arranged in pairs with mirror symmetry between said vision correction elements arranged in pairs.
6. A vision correction enhancing apparatus as claimed in claim 5, wherein a pair of said projection members (6) arranged in mirror image are provided between a pair of said vibration beam-splitting prisms (2).
7. The vision correction enhancing device according to claim 6, further comprising a projection housing (8), wherein a pair of the projection members (6) and a pair of the projection objective (5) are both provided in the projection housing (8), and projection openings are provided on both sides of the projection housing (8) facing both of the vibration beam-splitting prisms (2).
8. The vision correction enhancing apparatus according to claim 5, wherein a pair of said vibrating mirrors (1) provided in mirror image are provided on opposite sides of a pair of said vibration beam splitting prisms (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024041.5U CN219533516U (en) | 2023-04-28 | 2023-04-28 | Vision correction reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321024041.5U CN219533516U (en) | 2023-04-28 | 2023-04-28 | Vision correction reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219533516U true CN219533516U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321024041.5U Active CN219533516U (en) | 2023-04-28 | 2023-04-28 | Vision correction reinforcing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219533516U (en) |
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2023
- 2023-04-28 CN CN202321024041.5U patent/CN219533516U/en active Active
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