CN220158218U

CN220158218U - Large-view-field optometry device with binocular automatic alignment device

Info

Publication number: CN220158218U
Application number: CN202321427712.2U
Authority: CN
Inventors: 赵豪欣; 王清扬
Original assignee: Ruiermingkang Zhejiang Medical Technology Co ltd
Current assignee: Ruiermingkang Zhejiang Medical Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-06-06
Publication date: 2023-12-12
Anticipated expiration: 2033-06-06

Abstract

The present disclosure provides a large field of view optometry apparatus with binocular automatic alignment means comprising: a left path optometry module and a right path optometry module; and a binocular automatic alignment apparatus, the binocular automatic alignment apparatus comprising: the image acquisition device can acquire images of the left eye and images of the right eye so as to obtain three-dimensional position information of pupils of the left eye and three-dimensional position information of pupils of the right eye; the spatial position adjusting mechanism adjusts the spatial positions of the left path optometry module and the right path optometry module based on the three-dimensional position information of the left eye pupil and the three-dimensional position information of the right eye pupil; the spatial position adjustment mechanism includes: the whole position adjusting mechanism is used for adjusting the whole space positions of the left path optometry module and the right path optometry module; and the relative position adjusting mechanism is used for adjusting the relative position between the left path optometry module and the right path optometry module.

Description

Large-view-field optometry device with binocular automatic alignment device

Technical Field

The present disclosure relates to the field of eye self-alignment, large field of vision optometry technology, and in particular, to a large field of vision optometry device with a binocular self-alignment device.

Background

The incidence rate of the type of ametropia is high worldwide, and nearly one third of the population in China suffers from the ametropia, so that prevention and treatment of myopia are becoming more and more popular.

Regarding ametropia measurements, the ametropia measurement from the center of the macula retinae was also extended to the parafoveal region large field ametropia measurement.

When objective measurement is carried out on human eyes by utilizing an optometry device, the problem of three-dimensional alignment of eyes and instruments is solved, wherein the problem comprises center alignment of eyeballs and instruments and distance positioning of the eyes and the instruments; secondly, the position of the eyes in the whole measuring process needs to be kept, and accurate measuring results can be obtained only if the three-dimensional alignment of the eyes and the instrument is always ensured in the whole measuring process; furthermore, the measurement time is required to be shortened as much as possible, especially, the large-view-field refraction of human eyes is required to be shortened, and compared with the traditional refraction, the large-view-field refraction only measures the central fovea diopter, the large-view-field refraction is required to be measured in refraction under different view-field angles, so that the measurement times are increased, the measurement time under a single view-field angle is shortened, the visual fatigue of the eyes to be measured is effectively reduced, and the measurement accuracy is ensured.

Disclosure of Invention

In order to fully exert the advantages of the large-view-field optometry instrument and rapidly, accurately and conveniently obtain repeatable optometry results, the present disclosure proposes a large-view-field optometry device with a binocular automatic alignment device, which is realized by the following technical scheme.

A large field of view optometry apparatus with binocular automatic alignment means comprising:

the left path optometry module is used for optometrizing a left eye;

the right path optometry module is used for optometrizing a right eye;

a binocular automatic alignment apparatus, the binocular automatic alignment apparatus comprising:

the image acquisition device can acquire images of the left eye and images of the right eye so as to obtain three-dimensional position information of pupils of the left eye and three-dimensional position information of pupils of the right eye;

the spatial position adjusting mechanism is used for adjusting the spatial positions of the left path optometry module and the right path optometry module based on the three-dimensional position information of the left eye pupil and the three-dimensional position information of the right eye pupil;

wherein, the spatial position adjustment mechanism includes:

the overall position adjusting mechanism is used for adjusting the positions of the left road optometry module and the right road optometry module in the front-back direction so as to adjust the distance between the left road optometry module and the right road optometry module in the front-back direction relative to the dual purpose distance;

The relative position adjusting mechanism is used for adjusting the distance between the left road optometry module and the right road optometry module in the left-right direction and/or the distance between the left road optometry module and the right road optometry module in the up-down direction.

A large field of view optometry device with binocular automatic alignment device according to at least one embodiment of the present disclosure, the image acquisition device comprising: a left Lu Tongkong camera, which is used for collecting images of left eyes; and a right path pupil camera for collecting images of the right eye.

A large field of view optometry device having a binocular automatic alignment device according to at least one embodiment of the present disclosure, the binocular automatic alignment device further comprising:

the left pupil illumination part is fixedly arranged with the left pupil camera and is used for illuminating the left eye so as to be beneficial to the left pupil camera to collect images of the left eye;

the right path pupil illumination part is fixedly arranged with the right path pupil camera and is used for illuminating the right eye so as to be beneficial to the right path pupil camera to acquire the image of the right eye.

According to the large-view field optometry device with the binocular automatic alignment device of at least one embodiment of the present disclosure, the overall position adjusting mechanism includes an overall driving device capable of driving the overall supporting device to reciprocate in the front-rear direction so that the left road optometry module and the right road optometry module arranged on the overall supporting device integrally reciprocate in the front-rear direction.

A large field of view optometry apparatus with binocular automatic alignment means according to at least one embodiment of the present disclosure, the relative position adjustment mechanism comprising:

a first left-right adjusting mechanism including a first left-right driving device and a first left-right supporting device reciprocally driven in a left-right direction by the first left-right driving device;

a second left-right adjusting mechanism including a second left-right driving device and a second left-right supporting device reciprocally driven in a left-right direction by the second left-right driving device;

the first left-right supporting device is used for supporting the left-path optometry module or supporting the whole of the left-path optometry module and the right-path optometry module, and the second left-right supporting device is used for supporting the right-path optometry module.

A large field of view optometry device with binocular automatic alignment according to at least one embodiment of the present disclosure, the relative position adjustment mechanism further comprising:

the first vertical adjustment mechanism comprises a first vertical driving device and a first vertical supporting device which is driven by the first vertical driving device in a reciprocating manner in the vertical direction;

the second up-down adjusting mechanism comprises a second up-down driving device and a second up-down supporting device which is driven by the second up-down driving device in a reciprocating manner in the up-down direction;

the first upper and lower strutting arrangement is used for right road optometry module supports or is used for right road optometry module's whole supports, the second upper and lower strutting arrangement is used for right road optometry module supports.

According to the large-view-field optometry device with the binocular automatic alignment device of at least one embodiment of the present disclosure, the first left-right driving device of the first left-right adjusting mechanism and the second left-right driving device of the second left-right adjusting mechanism are both disposed on the integral supporting device so as to be capable of driving the first left-right supporting device and the second left-right supporting device to reciprocate in the left-right direction with respect to the integral supporting device.

A large-field optometry device with a binocular automatic alignment device according to at least one embodiment of the present disclosure, the first up-down driving device being provided on the first left-right supporting device to be capable of driving the first up-down supporting device to reciprocate in an up-down direction with respect to the first left-right supporting device;

the second up-down driving device is arranged on the second left-right supporting device so as to drive the second up-down supporting device to reciprocate in the up-down direction relative to the second left-right supporting device.

According to at least one embodiment of the present disclosure, the left road refraction module is fixedly arranged on the first upper and lower supporting devices, and the right road refraction module is fixedly arranged on the second upper and lower supporting devices.

According to the large-view field optometry device with the binocular automatic alignment device of at least one embodiment of the present disclosure, the first left-right adjusting mechanism is configured on the first upper-lower supporting device so that the first left-right driving device can drive the first left-right supporting device to reciprocate in a left-right direction relative to the first upper-lower supporting device.

A wide-field optometry device with a binocular automatic alignment device according to at least one embodiment of the present disclosure, the overall driving device is disposed on the first left and right support devices such that the overall driving device can drive the overall support devices to reciprocate in a front-rear direction with respect to the first left and right support devices.

According to the large-view-field optometry device with the binocular automatic alignment device of at least one embodiment of the present disclosure, the second left-right adjustment mechanism is disposed at a left portion position of the overall support device so that the second left-right driving device can drive the second left-right support device to reciprocate in a left-right direction relative to the overall support device, and the left road optometry module is disposed on the second left-right support device.

According to the large-view field optometry device with the binocular automatic alignment device of at least one embodiment of the present disclosure, the second up-down adjustment mechanism is disposed at a right portion position of the overall support device so that the second up-down driving device can drive the second up-down support device to reciprocate in an up-down direction relative to the overall support device, and the right road optometry module is disposed on the second up-down support device.

According to at least one embodiment of the present disclosure, the left pupil illumination section and the right pupil illumination section are both near infrared light sources.

According to the large-view-field optometry device with the binocular automatic alignment device of at least one embodiment of the present disclosure, the left path optometry module and the right path optometry module have the same optical path structure and are mirror image structures to each other.

A large field of view optometry apparatus with binocular automatic alignment apparatus according to at least one embodiment of the present disclosure, the left road optometry module comprising:

the focusing optical module comprises a front focusing lens and a rear focusing lens, wherein the front focusing lens is arranged at a preset position in front of a human eye, the rear focusing lens can be driven back and forth in the front-back direction of the human eye, and defocusing compensation is carried out on a target human eye based on the change of the distance between the front focusing lens and the rear focusing lens;

the astigmatism adjusting module comprises a cylindrical lens combination and performs astigmatism compensation on the human eye based on the relative movement of the cylindrical lens combination;

a detection module, the detection module comprising:

a light source section for emitting initial light;

A first convex lens that converts the initial light into a parallel light beam as initial detection light;

a deflection device configured to be reciprocally deflectable in a first direction to reflect the initial detection light to form a first dynamic light path dynamically adjusted in the first direction, the deflection device configured to be reciprocally deflectable in a second direction to reflect the initial detection light to form a second dynamic light path dynamically adjusted in the second direction;

the optical detector is used for detecting reflected light of the human eyes, so as to obtain first reflected light information based on a first dynamic optical path and second reflected light information based on a second dynamic optical path, and defocus compensation and/or astigmatism compensation are/is carried out based on the first reflected light information and the second reflected light information.

A large field of view optometry device with binocular automatic alignment according to at least one embodiment of the present disclosure, the light source section includes a point light source or an extended light source.

A large field of view optometry device with binocular automatic alignment device according to at least one embodiment of the present disclosure further comprises:

a first transition lens group disposed between the deflection device and the astigmatism adjustment module such that a dynamic optical path from the deflection device can be irradiated to a retina of a human eye after passing through the first transition lens group, the astigmatism adjustment module, and the focusing optical module in order;

The deflection center of the deflection device is located at a conjugate position with the pupil of the human eye.

A large field of view optometry device with binocular automatic alignment device according to at least one embodiment of the present disclosure, the first transition lens group comprising two convex lenses.

and a second transition lens group arranged between the deflection device and the light detector, wherein the second transition lens group comprises two convex lenses.

A large field of view optometry device with binocular automatic alignment device according to at least one embodiment of the present disclosure further comprises: a first light-splitting device and a second light-splitting device;

the first light splitting device is arranged between the first convex lens and the second light splitting device, the second light splitting device is arranged between the deflection device and the first light splitting device, so that the initial detection light can be reflected to the second light splitting device through the first light splitting device and then reflected to the deflection device through the second light splitting device, and the reflected light from the human eye reflected through the deflection device can be transmitted through the second light splitting device and transmitted to the light detector through the second transition lens group.

A large field of view optometry device with a binocular automatic alignment device according to at least one embodiment of the present disclosure, the light detector comprising a hartmann wavefront sensor.

A large field of view optometry device with binocular automatic alignment device according to at least one embodiment of the present disclosure, the detection module further comprising:

and the optotype component is used for providing an optotype capable of being projected to different areas of the retina of the human eye through the first dynamic light path and the second dynamic light path.

and the sighting target light provided by the sighting target assembly is collimated by the second convex lens, then is reflected to the second light splitting device through the first light splitting device, and is further reflected to the deflection device by the second light splitting device.

A large field of view optometry apparatus with binocular automatic alignment means according to at least one embodiment of the present disclosure, the light detector being in a conjugate position with the deflection means.

According to the large-view-field optometry device with the binocular automatic alignment device, through binocular simultaneous optometry, measurement accuracy is guaranteed, measurement time is shortened, a front-back movement module guarantees the distance between an instrument and an eye, and the eye is guaranteed to be always located at the pupil plane position of the instrument; the dual-purpose distance and the dual-purpose height are adjusted through the left-right moving module and the up-down moving module, so that the visual axis of the eyes always coincides with the optical axis of the instrument. The large-view-field optometry device with the binocular automatic alignment device realizes large-view-field detection optometry of human retina under the condition that human eyes do not rotate by configuring the deflection device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 and 2 are schematic structural views of a large field-of-view optometry device with a binocular automatic alignment device according to one embodiment of the present disclosure.

Fig. 3 is a schematic structural view of a large field of view optometry device with a binocular automatic alignment device according to another embodiment of the present disclosure.

Fig. 4 is a schematic view of the optical path structure of a large field of view optometry device with a binocular automatic alignment device according to one embodiment of the present disclosure.

Fig. 5 is a schematic view of the optical path structure of a large field-of-view optometry device with a binocular automatic alignment device according to still another embodiment of the present disclosure.

Description of the reference numerals

100. Binocular automatic alignment device

101. Integral driving device

102. Integral supporting device

110. Base seat

201. First left-right adjusting mechanism

202. Second left-right adjusting mechanism

301. First up-down adjusting mechanism

302. Second up-down adjusting mechanism

401. Left path optometry module

402. Right path optometry module

501. Left pupil lighting part

502. Right pupil lighting unit

601. Left pupil camera

602. Right pupil camera

800. Human eyes

802. Front focusing lens

803. Rear focusing lens

804. Astigmatic adjustment module

805. First transition lens group

806. Deflection device

807. Second light-splitting device

808. Second transition lens group

809. Photodetector

810. First spectroscopic device

811. First convex lens

812. Light source unit

813. Second convex lens

814. Optotype assembly

1000. Large-view-field optometry device

2011. First left-right driving device

2012. First left-right supporting device

2021. Second left-right driving device

2022. Second left-right supporting device

3011. First up-down driving device

3012. First upper and lower supporting device

3021. Second up-down driving device

3022. And a second upper and lower supporting device.

Detailed Description

The present disclosure is described in further detail below with reference to the drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant content and not limiting of the present disclosure. It should be further noted that, for convenience of description, only a portion relevant to the present disclosure is shown in the drawings.

In addition, embodiments of the present disclosure and features of the embodiments may be combined with each other without conflict. The technical aspects of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Unless otherwise indicated, the exemplary implementations/embodiments shown are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Thus, unless otherwise indicated, features of the various implementations/embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concepts of the present disclosure.

The use of cross-hatching and/or shading in the drawings is typically used to clarify the boundaries between adjacent components. As such, the presence or absence of cross-hatching or shading does not convey or represent any preference or requirement for a particular material, material property, dimension, proportion, commonality between illustrated components, and/or any other characteristic, attribute, property, etc. of a component, unless indicated. In addition, in the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.

When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there are no intervening elements present. For this reason, the term "connected" may refer to physical connections, electrical connections, and the like, with or without intermediate components.

For descriptive purposes, the present disclosure may use spatially relative terms such as "under … …," under … …, "" under … …, "" lower, "" above … …, "" upper, "" above … …, "" higher "and" side (e.g., in "sidewall") to describe one component's relationship to another (other) component as illustrated in the figures. In addition to the orientations depicted in the drawings, the spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" … … can encompass both an orientation of "above" and "below". Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising," and variations thereof, are used in the present specification, the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof is described, but the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximation terms and not as degree terms, and as such, are used to explain the inherent deviations of measured, calculated, and/or provided values that would be recognized by one of ordinary skill in the art.

Fig. 1 and 2 are schematic structural views of a large field-of-view optometry device with a binocular automatic alignment device according to one embodiment of the present disclosure (fig. 2 is a schematic structural view from the side of fig. 1). Fig. 3 is a schematic structural view of a large field of view optometry device with a binocular automatic alignment device according to another embodiment of the present disclosure.

Referring to fig. 1 and 2 and 3, the present disclosure provides a large field of view optometry apparatus 1000 with a binocular automatic alignment apparatus 100, comprising: the left path optometry module 401, the left path optometry module 401 is used for optometry of the left eye; a right path refraction module 402, wherein the right path refraction module 402 is used for performing refraction on a right eye; and a binocular automatic alignment apparatus 100.

Wherein, binocular automatic alignment device 100 includes:

and a spatial position adjustment mechanism that adjusts the spatial positions of the left-and right-path refraction modules 401 and 402 based on the three-dimensional position information of the left-and right-eye pupils.

Wherein, the space position adjustment mechanism includes:

an overall position adjustment mechanism for adjusting the positions of the left and right road refraction modules 401 and 402 in the front-rear direction so as to adjust the distance between the left and right road refraction modules 401 and 402 in the front-rear direction; and a relative position adjusting mechanism for adjusting the distance between left and right optometry modules 401 and 402 in the left-right direction and/or the distance in the up-down direction.

The wide-field optometry device 1000 of the present disclosure adapts to the change in the relative positions of the two pupils existing in the optometry process by configuring the spatial position adjustment mechanism such that the left-hand optometry module 401 and the right-hand optometry module 402 can integrally reciprocate in the front-rear direction with respect to the human eye 800 and such that the relative positions of the two in the left-right direction, the up-down direction are adjusted.

In some embodiments of the present disclosure, an image acquisition apparatus of a large field of view optometry apparatus 1000 with a binocular automatic alignment apparatus 100 of the present disclosure comprises: a left pupil camera 601, where the left pupil camera 601 is used to collect images of the left eye; and a right pupil camera 602, the right pupil camera 602 being configured to acquire an image of the right eye.

In some embodiments of the present disclosure, the binocular automatic alignment apparatus 100 of the large field of view optometry apparatus 1000 with binocular automatic alignment apparatus 100 of the present disclosure further comprises:

left pupil illumination portion 501, left pupil illumination portion 501 and left pupil camera 601 are fixedly arranged, left pupil illumination portion 501 is used for illuminating left eye, so that left pupil camera 601 is beneficial to collecting left eye image; and a right pupil illumination portion 502, where the right pupil illumination portion 502 is fixedly disposed with the right pupil camera 602, and the right pupil illumination portion 502 is used for illuminating the right eye, so as to facilitate the right pupil camera 602 to collect the image of the right eye.

The left pupil camera 601 and the left pupil illumination unit 501 may be held by the same holding mechanism, the relative positions of the two may be unchanged, and the right pupil camera 602 and the right pupil illumination unit 502 may be held by the same holding mechanism, the relative positions of the two may be unchanged.

Referring to fig. 1 and 2 and 3, the retaining mechanism of the pupil camera and pupil illuminator may be in the form of a retaining cylinder, which may be adjusted by one skilled in the art and fall within the scope of the present disclosure.

The left pupil illumination section 501 and the right pupil illumination section 502 described in this disclosure may both be near infrared light sources.

In a preferred embodiment of the present disclosure, the number of left pupil cameras and right pupil cameras is plural, for example, in fig. 1, 2, and 3, two left pupil cameras and two right pupil cameras are shown, two left pupil cameras are configured up and down (or configured left and right), two right pupil cameras are configured up and down (or configured left and right), and a person skilled in the art may adjust the number of left pupil cameras and/or the number of right pupil cameras to configure the plurality of left pupil cameras and the plurality of right pupil cameras on a circumference according to a preset positional relationship, respectively.

With continued reference to fig. 1 and 2 and 3, in some embodiments of the present disclosure, the overall position adjustment mechanism of the present disclosure includes an overall drive device 101 and an overall support device 102, the overall drive device 101 being capable of driving the overall support device 102 to reciprocate in a front-to-rear direction such that the left and right prescription modules 401 and 402 disposed on the overall support device 102 integrally reciprocate in the front-to-rear direction.

Referring to fig. 1 and 2 and 3, the spatial position adjustment mechanism of the present disclosure further includes a base 110, and other components of the spatial position adjustment mechanism are disposed on the base 110.

Referring to fig. 1 and 2 and 3, in some embodiments of the present disclosure, a relative position adjustment mechanism of a binocular automatic alignment apparatus 100 of the present disclosure includes:

the first left-right adjusting mechanism 201, the first left-right adjusting mechanism 201 including a first left-right driving device 2011 and a first left-right supporting device 2012 reciprocally driven in the left-right direction by the first left-right driving device 2011;

the second left-right adjusting mechanism 202, the second left-right adjusting mechanism 202 includes a second left-right driving device 2021 and a second left-right supporting device 2022 reciprocally driven in the left-right direction by the second left-right driving device 2021.

Wherein, the first left and right supporting device 2012 is used for supporting the left path optometry module 401 or for supporting the whole of the left path optometry module 401 and the right path optometry module 402, and the second left and right supporting device 2022 is used for supporting the right path optometry module 402.

In some embodiments of the present disclosure, with continued reference to fig. 1 and 2 and 3, the relative position adjustment mechanism of the binocular automatic alignment apparatus 100 of the present disclosure further comprises:

a first up-down adjusting mechanism 301, the first up-down adjusting mechanism 301 including a first up-down driving device 3011 and a first up-down supporting device 3012 reciprocally driven in the up-down direction by the first up-down driving device 3011;

the second vertical adjustment mechanism 302, the second vertical adjustment mechanism 302 includes a second vertical drive device 3021 and a second vertical support device 3022 reciprocally driven in the vertical direction by the second vertical drive device 3021.

Wherein, the first up-down supporting device 3012 is used for supporting the left path optometry module 401 or for supporting the whole of the left path optometry module 401 and the right path optometry module 402, and the second up-down supporting device 3022 is used for supporting the right path optometry module 402.

Referring to fig. 1 and 2, in some embodiments of the present disclosure, the first left-right driving device 2011 of the first left-right adjusting mechanism 201 and the second left-right driving device 2021 of the second left-right adjusting mechanism 202 of the binocular automatic alignment apparatus 100 of the present disclosure are disposed on the whole supporting device 102 so as to be capable of driving the first left-right supporting device 2012 and the second left-right supporting device 2022 to be capable of reciprocating in the left-right direction with respect to the whole supporting device 102.

As shown in fig. 1 and 2, two linear guides may be arranged on the overall support device 102 such that the first right and left support device 2012 and the second right and left support device 2022 reciprocate in the right and left directions based on the guides of the linear guides, respectively.

In some embodiments of the present disclosure, the first left-right driving device 2011 and the second left-right driving device 2021 may each be an electric screw, and the first left-right supporting device 2012 and the second left-right supporting device 2022 may each be driven by the electric screw to reciprocate in the left-right direction.

Those skilled in the art may adjust the matching structures of the first left-right adjusting mechanism 201 and the second left-right adjusting mechanism 202 in the light of the technical solution of the present disclosure, which all fall within the protection scope of the present disclosure.

In the embodiment shown in fig. 1 and 2, the first up-down driving device 3011 of the present disclosure is provided on the first left-right supporting device 2012 so as to be able to drive the first up-down supporting device 3012 to reciprocate in the up-down direction with respect to the first left-right supporting device 2012; the second up-down driving device 3021 is provided on the second left-right supporting device 2022 so as to be capable of driving the second up-down supporting device 3022 to reciprocate in the up-down direction with respect to the second left-right supporting device 2022.

The first up-down driving device 3011 and the second up-down driving device 3021 may use driving motors, the first up-down driving device 3011 and the second up-down driving device 3021 may be held on the integral supporting device 102 by a supporting frame, a plurality of linear guide rails in a vertical direction may be disposed on the supporting frame, the first up-down supporting device 3012 and the second up-down supporting device 3022 may be disposed on a rail matching structure, and the driving motors may be in transmission connection with the up-down supporting device by a threaded matching manner, so as to convert a rotation motion into a linear motion, so that the first up-down supporting device 3012 and the second up-down supporting device 3022 may reciprocate in a vertical direction under the guidance of the linear guide rails.

Those skilled in the art may adjust the specific matching structures of the first up-down adjusting mechanism 301 and the second up-down adjusting mechanism 302 in the light of the technical solution of the present disclosure, which all fall within the protection scope of the present disclosure.

With continued reference to fig. 1 and 2, in some embodiments of the present disclosure, left road refraction module 401 of the present disclosure is fixedly disposed on first upper and lower support 3012, and right road refraction module 402 is fixedly disposed on second upper and lower support 3022.

As shown in fig. 1 and 2, in some embodiments of the present disclosure, the left and right optometry modules 401 and 402 of the present disclosure may be configured within a box structure, and holding mechanisms for holding the pupil camera and the pupil illumination portion may be respectively configured on the left and right optometry modules 401 and 402, and those skilled in the art may adjust the box structures of the left and right optometry modules 401 and 402, etc. under the teaching of the technical solution of the present disclosure, all fall within the protection scope of the present disclosure.

The binocular automatic alignment device 100 of the present disclosure realizes adjustment of the overall spatial position of the left and right optometry modules in the front-rear direction and adjustment of the relative spatial position of the left and right directions/up-down directions by configuring the position adjustment mechanisms of three dimensions, and realizes real-time positioning of the spatial position of the left and right pupils, and generates control signals for controlling the operation of the spatial position adjustment mechanisms based on the difference between the real-time positioning information and the calibration positions/target positions, and the control signals can control the corresponding driving devices to output a corresponding amount of driving actions, so that the left and right optometry modules are automatically aligned with the pupils of both eyes under the condition that the head of a tested person is fixed to the front of the wide-field optometry device through a chin rest, a jaw rest, etc. without the action.

Those skilled in the art, in light of the technical solution of the present disclosure, cancel only one of the binocular optometry module, i.e., any one of the left road optometry module 401 and the right road optometry module 402, to form a structural adjustment performed by the monocular optometry module, which also falls within the protection scope of the present disclosure.

Fig. 3 is a schematic structural view of a large field-of-view optometry device with a binocular automatic alignment device according to another embodiment of the present disclosure, which has a different structure from the large field-of-view optometry device with a binocular automatic alignment device shown in fig. 1 and 2.

Referring to fig. 3, in some embodiments of the present disclosure, a first left-right adjustment mechanism 201 of the binocular automatic alignment apparatus 100 of the present disclosure is configured on a first up-down support apparatus 3012 such that a first left-right driving apparatus 2011 (the first left-right driving apparatus 2011 is not shown in fig. 3 due to a viewing angle limitation) can drive a first left-right support apparatus 2012 to reciprocate in a left-right direction with respect to the first up-down support apparatus 3012.

The first up-down driving device 3011 is disposed on the base 110 by a support frame, on which a plurality of linear guide rails in the vertical direction can be disposed, and the first up-down supporting device 3012 has a guide rail mating structure, and the first up-down supporting device 3012 is driven by the first up-down driving device 3011 under the guidance of the linear guide rails to reciprocate in the vertical direction.

With continued reference to fig. 3, the integral driving device 101 with the binocular automatic alignment device 100 of the present embodiment is disposed on the first left and right supporting devices 2012 such that the integral driving device 101 can drive the integral supporting device 102 to reciprocate in the front-rear direction with respect to the first left and right supporting devices 2012.

With continued reference to fig. 3, the second left-right adjusting mechanism 202 with the binocular automatic alignment apparatus 100 of the present embodiment is disposed at a left portion position of the whole supporting apparatus 102 such that the second left-right driving apparatus 2021 can drive the second left-right supporting apparatus 2022 to reciprocate in the left-right direction with respect to the whole supporting apparatus 102, and the left road inspection module 401 is disposed on the second left-right supporting apparatus 2022.

The second vertical adjustment mechanism 302 is disposed at a right position of the whole supporting device 102, so that the second vertical driving device 3021 can drive the second vertical supporting device 3022 to reciprocate in the vertical direction with respect to the whole supporting device 102, and the right road refraction module 402 is disposed on the second vertical supporting device 3022.

Referring to fig. 1 and 2 and 3, for the large field of view optometry apparatus 1000 of the present disclosure having the binocular automatic alignment apparatus 100, the left and right optometry modules 401 and 402 have the same optical path structure and are mirror image structures to each other.

It should be noted that the structure of the large-field optometry device 1000 with the binocular automatic alignment device 100 shown in fig. 1 to 3 should not be construed as limiting the technical solution of the large-field optometry device with the binocular automatic alignment device of the present disclosure, and those skilled in the art may adjust the specific structure shown in fig. 1 to 3 in light of the technical solution of the present disclosure, which falls within the protection scope of the present disclosure.

Fig. 4 is a schematic view of the optical path structure of a large field of view optometry device 1000 with a binocular automatic alignment device 100 according to one embodiment of the present disclosure. Fig. 5 is a schematic view of the optical path structure of a large field of view optometry device 1000 with a binocular automatic alignment device 100 according to another embodiment of the present disclosure.

The left-side refraction module and the right-side refraction module are identical and have mirror image structures, and the light path structure of the large-field refraction device 1000 will be described below by taking the left-side refraction module as an example.

As shown in fig. 4 and 5, in some embodiments of the present disclosure, left-path prescription module 401 includes: a focusing optical module including a front focusing lens 802 disposed at a preset position in front of the human eye 800 and a rear focusing lens 803 capable of being reciprocally driven in the front-rear direction of the human eye 800, performing defocus compensation for a target human eye based on a change in a distance between the front focusing lens 802 and the rear focusing lens 803; the astigmatism adjustment module 804, the astigmatism adjustment module 804 comprising a cylindrical lens combination to perform astigmatism compensation on the human eye 800 based on the relative movement of the cylindrical lens combination; and a detection module.

Wherein, the detection module includes:

a light source portion 812, the light source portion 812 for emitting an initial light;

a first convex lens 811, the first convex lens 811 converting the initial light into a parallel light beam as initial detection light;

a deflection device 806, the deflection device 806 being configured to be reciprocally deflectable in a first direction to reflect the initial detection light to form a first dynamic light path dynamically adjusted in the first direction, the deflection device 806 being configured to be reciprocally deflectable in a second direction to reflect the initial detection light to form a second dynamic light path dynamically adjusted in the second direction;

the light detector 809, the light detector 809 is configured to detect the reflected light of the human eye 800 to obtain first reflected light information and second reflected light information, and defocus compensation and/or astigmatism compensation is performed based on the first reflected light information and the second reflected light information.

The light source part 812 described above in the present disclosure may be a point light source or an extended light source.

With continued reference to fig. 4 and 5, in some embodiments of the present disclosure, the large field of view optometry apparatus 1000 of the present disclosure with binocular automatic alignment apparatus 100 further comprises: a first transition lens group 805, the first transition lens group 805 being disposed between the deflection device 806 and the astigmatism adjustment module 804 such that a dynamic optical path from the deflection device 806 can be irradiated to the retina of the human eye 800 after passing through the first transition lens group 805, the astigmatism adjustment module 804, and the focusing optical module in order; the center of deflection of the deflection device 806 is in conjugate with the pupil of the human eye 800.

By the configuration of the first transition lens group 805, adjustment of the beam aperture size can be achieved. Wherein the first transition lens group 805 may include two convex lenses. Those skilled in the art, with the benefit of this disclosure, may make adjustments to the optical configuration of the first transition lens group 805 that fall within the scope of this disclosure.

In some embodiments of the present disclosure, the large field of view optometry device 1000 with binocular automatic alignment device 100 of the present disclosure further comprises: a second transition lens group 808, the second transition lens group 808 being arranged between the deflection device 806 and the light detector 809, the second transition lens group 808 comprising two convex lenses. The second transition lens group 808 can implement adjustment of the aperture size of the light beam.

With continued reference to fig. 4, in some embodiments of the present disclosure, a large field-of-view optometry apparatus 1000 of the present disclosure with a binocular automatic alignment apparatus 100 further comprises: a first light-splitting device 810 and a second light-splitting device 807; wherein the first light splitting device 810 is disposed between the first convex lens 811 and the second light splitting device 807, the second light splitting device 807 is disposed between the deflecting device 806 and the first light splitting device 810 such that the initial detection light can be reflected to the second light splitting device 807 via the first light splitting device 810, and then reflected to the deflecting device 806 by the second light splitting device 807, and the reflected light from the human eye 800 reflected via the deflecting device 806 can be transmitted through the second light splitting device 807 and transmitted to the light detector 809 via the second transition lens group 808.

Referring to fig. 5, in other embodiments of the present disclosure, a first light splitting device 810 is disposed between the deflecting device 806 and the first transition lens group 805, a second light splitting device 807 is disposed between the deflecting device 806 and the second transition lens group 808 such that the initial detection light can be reflected to the deflecting device 806 via the second light splitting device 807, and the reflected light from the human eye 800 reflected via the deflecting device 806 can be transmitted through the second light splitting device 807 and transmitted to the light detector 809 via the second transition lens group 808.

Wherein the light detector 809 described above in the present disclosure may be a hartmann wavefront sensor. The deflection devices described above in this disclosure may be mechanical galvanometers, electrically tuned galvanometers, piezo-electric optically tuned galvanometers, and the like. The first and second light splitting devices described above in this disclosure may be proportional beamsplitters, apertured mirrors, dichroic beamsplitters, and the like.

With continued reference to fig. 4, in some embodiments of the present disclosure, the detection module of the present disclosure further includes: the optotype component 814. The optotype light provided by the optotype component 814 can be projected to different areas of the retina of the human eye 800 via a first dynamic light path and a second dynamic light path.

In other embodiments of the present disclosure, referring to fig. 5, the optotype light provided by the optotype assembly 814 of the present disclosure is reflected by the first light splitting device 810 toward the first transition lens group 805 and projected onto the retina of the human eye 800.

Further, referring to fig. 4, in some embodiments of the present disclosure, the detection module of the present disclosure further includes: the second convex lens 813, and the optotype image provided by the optotype component 814 is reflected by the first spectroscopic device 810 to the second spectroscopic device 807 after being imaged by the second convex lens 813, and then reflected by the second spectroscopic device 807 to the deflection device 806.

Referring to fig. 5, in further embodiments of the present disclosure, a target image provided by a target assembly 814 is imaged by a second convex lens 813, transmitted to a first light splitting device 810 and reflected by the first light splitting device 810 to be projected onto the retina of a human eye 800 through a first transition lens group 805.

Wherein the photodetector 809 assembly is in a conjugate position with the deflection device 806.

The wide-field optometry device 1000 disclosed by the disclosure can construct a first dynamic light path dynamically adjusted in a first direction and a second dynamic light path dynamically adjusted in a second direction by configuring a deflection device, so that different fields of view of the retina of a human eye can be irradiated under the condition that the human eye 800 does not rotate, reflected light information of the retina of the human eye based on the wide field of view is obtained, and further a wide-field wavefront aberration or refractive error measurement result of the human eye is obtained.

The wide-field optometry device 1000 of the present disclosure can be used to measure not only the wavefront aberration and diopter of the fovea but also the wavefront aberration and diopter of the peripheral retina of the fovea by objectively controlling the size (angle range) of the measurement field, and can also be used to measure the visual functions of the fovea and the peripheral retina after diopter compensation via the rear focus lens 803 and the astigmatism adjustment module 804. The large-view-field optometry device can effectively solve the limitation that the traditional optometry instrument only aims at the central view-field wavefront aberration and diopter measurement, and achieves accurate measurement and subjective visual function assessment of the large-view-field objective wavefront aberration and diopter of human eyes.

As shown in fig. 4 and 5, the wide field optometry device of the present disclosure is capable of large field wavefront aberration and diopter measurements and/or vision function detection with binocular self-alignment by cooperation of the deflection device and corresponding optical path structures in conjunction with the binocular self-alignment device 100 described hereinabove in the present disclosure. The operation of the wide field refraction device of the present disclosure is described below in conjunction with fig. 5.

After binocular automatic alignment is completed, binocular large-view-field optometry is started. As shown in fig. 5, the optical layout of the wide-field optometry device 1000 of the present disclosure is symmetrically arranged, the optical structure of the left-hand optometry is arranged on the left-hand optometry module 401, and the optical structure of the right-hand optometry is arranged on the right-hand optometry module 402.

The pupil of the human eye 800 is in optically conjugate position with the microlens array in the astigmatism adjustment module 804, the deflection device 806, and the light detector 809 (e.g., hartmann wavefront sensor).

Before the refraction measurement starts, the left and right visual target components 814 display the same fixation target, and on the premise of completing binocular alignment, normal eyes can complete binocular fusion, so that the stabilization of eyes in subsequent optometry is facilitated.

The light source 812 is collimated into parallel light by the first convex lens 811, and then enters the human eye 800 to be imaged on the retina through the second light splitting device 807, the deflection device 806, the first light splitting device 810, the first transition lens group 805, the astigmatism adjusting module 804, the rear focusing lens 803 and the front focusing lens 802, the refractive error information of the human eye is carried by the backward reflection of the retina, and then enters the Hartmann wavefront sensor, namely the light detector 809, after sequentially passing through the front focusing lens 802, the rear focusing lens 803, the astigmatism adjusting module 804, the first transition lens group 805, the first light splitting device 810, the deflection device 806, the second light splitting device 807 and the second transition lens group 808, the wavefront aberration information of the human eye is obtained based on a general wavefront restoration algorithm, and then the refractive error information of the human eye is obtained through calculation, including defocus, astigmatism axial direction and the like.

When the deflection device 806 is in a central position, wavefront aberrations and diopters are measured to obtain the center of the macula lutea; as the deflection device 806 rotates, the peripheral wavefront aberration of the retina and the diopters at the current field angle are measured.

After the measurement is completed, according to the measured defocus and astigmatism results, a first driving module (not shown, for example, a micro motor) of the left optical module 401 (right optical module 402) may drive the rear focusing lens 803 of the focusing optical module, the astigmatism adjusting module 804 and the detecting module as a whole (the part outlined by the box) to move in the arrow direction to perform defocus compensation, and a second driving module (not shown, for example, a micro motor) of the left optical module 401 (right optical module 402) may drive the cylindrical lens combination in the astigmatism adjusting module 804 to generate relative movement to perform astigmatism compensation. After the compensation of the diopter of the human eye is completed, the deflection devices 806 are respectively positioned under different deflection angles, and at this time, the tested person completes the measurement of the visual function of the large visual field by observing the test task presented in the optotype component 814 of the large visual field optometry device. The measurement of visual functions may include contrast sensitivity measurement, sharpness of vision measurement, contrast vision measurement, red-green balance measurement, color vision inspection, and the like, depending on the visual task.

In the large-view-field optometry device disclosed by the disclosure, under an initial state, a pupil illumination module (namely the pupil illumination part described above) and a pupil imaging module (namely the image acquisition device described above) image the pupil of an eye, the difference between the current position and the calibration position of the pupil is obtained through pupil images shot by a plurality of pupil cameras, the displacement required to be generated by a front-back movement module, a left-right movement module and an up-down movement module can be obtained through calculation by a computer and the like, and the displacement is completed by an electromechanical structure (such as a driving motor) of each movement module driven by an electromechanical controller and the like, so that the alignment of eyes and the large-view-field optometry device disclosed by the disclosure is completed, the coincidence of an eye axis and the optical axis of the large-view-field optometry device is realized, the positioning of the pupil surface of the measured eye is realized, and the accuracy and the repeatability of optometry are ensured.

The large-view-field optometry device with the binocular automatic alignment device can ensure automatic alignment of eyes before measurement, improve measurement efficiency, monitor and track positions of the eyes in real time in the measurement process, and ensure optometry accuracy.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the present disclosure. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.

It will be appreciated by those skilled in the art that the above-described embodiments are merely for clarity of illustration of the disclosure, and are not intended to limit the scope of the disclosure. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present disclosure.

Claims

1. A wide field of view optometry apparatus with binocular automatic alignment means comprising:

the left path optometry module is used for optometrizing a left eye;

the right path optometry module is used for optometrizing a right eye; and

The image acquisition device can acquire images of the left eye and images of the right eye so as to obtain three-dimensional position information of pupils of the left eye and three-dimensional position information of pupils of the right eye; a kind of electronic device with high-pressure air-conditioning system

wherein, the spatial position adjustment mechanism includes:

the whole position adjusting mechanism is used for adjusting the positions of the whole left road optometry module and the whole right road optometry module so as to adjust the whole space positions of the left road optometry module and the whole right road optometry module; a kind of electronic device with high-pressure air-conditioning system

The relative position adjusting mechanism is used for adjusting the relative position between the left road optometry module and the right road optometry module.

2. The wide field of view optometry apparatus with binocular automatic alignment of claim 1, wherein the image acquisition means comprises:

a left Lu Tongkong camera, which is used for collecting images of left eyes; and

The right path pupil camera is used for collecting images of the right eye.

3. The wide field of view optometry apparatus of claim 2, wherein the binocular automatic alignment apparatus further comprises:

the left pupil illumination part is fixedly arranged with the left pupil camera and is used for illuminating the left eye so as to be beneficial to the left pupil camera to collect images of the left eye; and

4. The wide-field refraction device with binocular automatic alignment device of claim 1, wherein the overall position adjustment mechanism comprises an overall driving device and an overall supporting device, the overall driving device being capable of driving the overall supporting device to reciprocate in a front-rear direction so that the left road refraction module and the right road refraction module disposed on the overall supporting device integrally reciprocate in the front-rear direction.

5. The wide field of view optometry apparatus with binocular automatic alignment of claim 4, wherein the relative position adjustment mechanism comprises:

a first left-right adjusting mechanism including a first left-right driving device and a first left-right supporting device reciprocally driven in a left-right direction by the first left-right driving device; and

6. The wide-field optometry apparatus with binocular automatic alignment of claim 5, wherein the relative position adjusting mechanism further comprises:

the first vertical adjustment mechanism comprises a first vertical driving device and a first vertical supporting device which is driven by the first vertical driving device in a reciprocating manner in the vertical direction; and

7. The wide-field optometry apparatus with binocular automatic alignment of claim 6, wherein the first left-right driving means of the first left-right adjusting mechanism and the second left-right driving means of the second left-right adjusting mechanism are both disposed on the whole supporting means so as to be capable of driving the first left-right supporting means and the second left-right supporting means to reciprocate in a left-right direction with respect to the whole supporting means.

8. The wide-field optometry apparatus with binocular automatic alignment of claim 7, wherein the first up-down driving means is provided on the first left-right supporting means so as to be capable of driving the first up-down supporting means to reciprocate in an up-down direction with respect to the first left-right supporting means;

9. The wide field of view optometry apparatus with binocular automatic alignment of claim 8, wherein the left road optometry module is fixedly disposed on the first upper and lower support means and the right road optometry module is fixedly disposed on the second upper and lower support means.

10. The wide-field optometry apparatus with binocular automatic alignment of claim 6, wherein the first left-right adjusting mechanism is disposed on the first upper and lower supporting means such that the first left-right driving means can drive the first left-right supporting means to reciprocate in a left-right direction with respect to the first upper and lower supporting means.

11. The wide field of view optometry apparatus with binocular automatic alignment of claim 10, wherein the integral driving means is disposed on the first left and right support means such that the integral driving means can drive the integral support means to reciprocate in a front-rear direction with respect to the first left and right support means.

12. The wide-field optometry apparatus with binocular automatic alignment of claim 11, wherein the second left-right adjustment mechanism is disposed at a left position of the overall support apparatus such that the second left-right driving apparatus can drive the second left-right support apparatus to reciprocate in a left-right direction with respect to the overall support apparatus, the left-road optometry module being disposed on the second left-right support apparatus.

13. The wide-field optometry apparatus with binocular automatic alignment of claim 12, wherein the second up-down adjustment mechanism is disposed at a right position of the overall support apparatus such that the second up-down driving apparatus can drive the second up-down support apparatus to reciprocate in an up-down direction with respect to the overall support apparatus, and the right road optometry module is disposed on the second up-down support apparatus.

14. A large field of view optometry apparatus with binocular automatic alignment according to claim 3 wherein the left and right pupil illuminators are both near infrared light sources.

15. The large field of view refraction device with binocular automatic alignment according to any one of claims 1 to 14, wherein the left and right path refraction modules have the same optical path structure and mirror image structure to each other.

16. The large field of view refraction device with binocular automatic alignment of claim 15, wherein the left road refraction module comprises:

the astigmatism adjusting module comprises a cylindrical lens combination and performs astigmatism compensation on the human eye based on the relative movement of the cylindrical lens combination; and

a detection module, the detection module comprising:

a light source section for emitting initial light;

a deflection device configured to be reciprocally deflectable in a first direction to reflect the initial detection light to form a first dynamic light path dynamically adjusted in the first direction, the deflection device configured to be reciprocally deflectable in a second direction to reflect the initial detection light to form a second dynamic light path dynamically adjusted in the second direction; a kind of electronic device with high-pressure air-conditioning system

17. The large field of view optometry apparatus with binocular automatic alignment of claim 16, wherein the light source section comprises a point light source or an extended light source.

18. The large field of view optometry apparatus with binocular automatic alignment of claim 16, further comprising:

19. The wide field of view optometry apparatus with binocular automatic alignment of claim 18, wherein the first transition lens group comprises two convex lenses.

20. The large field of view optometry apparatus with binocular automatic alignment of claim 19, further comprising:

21. The large field of view optometry apparatus with binocular automatic alignment of claim 20, further comprising: a first light-splitting device and a second light-splitting device;

22. The large field of view optometry with binocular automatic alignment of claim 21, wherein the light detector comprises a hartmann wavefront sensor.

23. The large field of view optometry apparatus with binocular automatic alignment of claim 21, wherein the detection module further comprises:

24. The large field of view optometry apparatus with binocular automatic alignment of claim 23, wherein the detection module further comprises:

25. The large field of view optometry apparatus with binocular automatic alignment of claim 24, wherein the light detector is in a conjugate position with the deflection means.