CN109633924B - Vision test system and method - Google Patents
Vision test system and method Download PDFInfo
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- CN109633924B CN109633924B CN201811616419.4A CN201811616419A CN109633924B CN 109633924 B CN109633924 B CN 109633924B CN 201811616419 A CN201811616419 A CN 201811616419A CN 109633924 B CN109633924 B CN 109633924B
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/024—Methods of designing ophthalmic lenses
- G02C7/027—Methods of designing ophthalmic lenses considering wearer's parameters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/04—Trial frames; Sets of lenses for use therewith
Abstract
The invention discloses a vision testing system, which comprises: the operation device comprises a transverse adjusting part, a deflection adjusting part and a lens placing disc set, wherein the lens placing disc set comprises a plurality of lens placing discs, and the lens placing discs are used for placing a plurality of test lenses; the driving device is used for driving the running device to run; the control device is used for receiving and processing target lens data to obtain first driving information, and the first driving information is used for sending to the driving device; a feedback device for detecting a plurality of operation information of the operation device and transmitting the plurality of operation information to a control device. The invention not only realizes accurate adjustment by intelligently adjusting the lens placing disc, the transverse adjusting part and the deflection adjusting part, but also effectively improves the vision detection precision by detecting and feeding back the adjusting information through the feedback device and then carrying out secondary adjustment, thereby meeting the requirements of people.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a vision testing system and method.
Background
With the development of modern science and technology, people use electronic products for a longer time, so that the vision of people is damaged to different degrees, and the people need to wear glasses. For the matched audience, the matched glasses are the main group due to myopia, and a considerable part of people have the problems of hyperopia, astigmatism and the like. Because the structure of the human eyeball is very precise, the requirement on the precision is very high when the glasses are matched, and the degree needs to be very accurate when the degree is adjusted. However, the prior art has the problem that the precision is not high enough when the instrument is adjusted during the vision test, the vision blur is caused in the past, and the eye fatigue is increased after the device is worn for a long time.
Disclosure of Invention
In order to effectively overcome the above defects in the prior art, embodiments of the present invention creatively provide a vision testing system and method.
One aspect of the present invention provides a vision testing system, including: the operation device comprises a transverse adjusting part, a deflection adjusting part and a lens placing disc set, wherein the lens placing disc set comprises a plurality of lens placing discs, and the lens placing discs are used for placing a plurality of test lenses; the driving device is used for driving the running device to run; the control device is used for receiving and processing target lens data to obtain first driving information, and the first driving information is used for being sent to the driving device so that the driving device can be driven according to the first driving information; the feedback device is used for detecting a plurality of pieces of operation information of the operation device and sending the plurality of pieces of operation information to the control device; and the control device receives and judges whether the plurality of operation information accords with the target lens data or not to obtain a judgment result, generates second driving information according to the judgment result and sends the second driving information to the driving device for driving operation.
In one embodiment, according to the above system of the present invention, the receiving and determining, by the control device, whether the plurality of pieces of operation information conform to the target lens data, obtaining a determination result, and generating the second driving information according to the determination result includes: if the running information conforms to the target lens data, generating stop information and sending the stop information to the driving device; and if the plurality of pieces of operation information do not accord with the target lens data, generating second driving information and sending the second driving information to the driving device.
In one embodiment, according to the above system of the present invention, the control device includes a primary controller and a secondary controller, the driving device includes a plurality of primary motors and a plurality of secondary motors, the primary controller is configured to control the plurality of primary motors, and the secondary controller is configured to control the plurality of secondary motors.
In one embodiment, according to the above system of the present invention, the primary motor is used for driving the transverse adjustment portion and the deflection adjustment portion to operate, and the secondary motor is used for driving the plurality of mirror setting disks in the mirror setting disk group to operate.
In one embodiment, according to the above system of the present invention, the feedback device includes a hall sensor and a displacement sensor, the plurality of operation information includes a plurality of primary operation information and a plurality of secondary operation information, and the second driving information includes primary second driving information and secondary second driving information.
In an embodiment, according to the above system of the present invention, displacement sensing pieces are respectively disposed on the transverse adjustment portion and the deflection adjustment portion, and the displacement sensor respectively detects a plurality of pieces of primary operation information of the transverse adjustment portion and the deflection adjustment portion through the displacement sensing pieces and sends the plurality of pieces of primary operation information to the primary controller.
In an embodiment, according to the above system of the present invention, the primary controller receives and determines whether the plurality of primary operation information matches the target lens data, and if yes, generates a stop message and sends the stop message to the primary motor; and if not, generating the primary second driving information and sending the primary second driving information to the primary motor.
In an embodiment, according to the above system of the present invention, magnets are disposed on the plurality of mirror placing disks, and the hall sensor senses the operation information of the plurality of mirror placing disks respectively by the magnets to obtain the plurality of secondary operation information, and sends the plurality of secondary operation information to the secondary controller.
In one embodiment, according to the above system of the present invention, the secondary controller receives and determines whether the plurality of secondary operation information matches the target lens data, and if yes, generates a stop message and sends the stop message to the secondary motor; and if not, generating the secondary second driving information and sending the secondary second driving information to the secondary motor.
In another aspect, the present invention provides a vision testing method, including: receiving and processing target lens data to obtain first driving information; driving a plurality of mirror placing discs in the transverse adjusting part, the deflection adjusting part and the mirror placing disc group to start to operate according to the first driving information; detecting the running states of the transverse adjusting part, the deflection adjusting part and the plurality of mirror placing discs to obtain a plurality of running information; judging whether the running information accords with the target lens data or not, and if so, generating stop information; and if not, generating second driving information for driving operation.
The invention not only realizes primary accurate adjustment by intelligently adjusting the vision detection, but also accurately controls the running state of the instrument by detecting and feeding back the adjustment information through the feedback device and then adding a secondary adjustment mode, thereby effectively improving the detection accuracy and meeting the requirements of people.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
FIG. 1 is a schematic diagram of a vision testing system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating an implementation of a vision testing method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In order to overcome the above-mentioned drawbacks, the present invention provides a vision testing system and method.
Referring to fig. 1 and 2, in one aspect, an embodiment of the present invention provides a vision testing system, including: the operation device 101 comprises a transverse adjusting part, a deflection adjusting part and a lens placing disc set, wherein the lens placing disc set comprises a plurality of lens placing discs, and the lens placing discs are used for placing a plurality of test lenses; the driving device 102 is used for driving the operation device 101 to operate; the control device 103 is configured to receive target lens data and process the target lens data to obtain first driving information, where the first driving information is used to send the first driving information to the driving device 102, so that the driving device 102 drives according to the first driving information; a feedback device 104 for detecting a plurality of pieces of operation information of the operation device 101 and sending the plurality of pieces of operation information to the control device 103; the control device 103 receives and judges whether the plurality of pieces of operation information conform to the target lens data, obtains a judgment result, generates second driving information according to the judgment result, and sends the second driving information to the driving device 102 for driving operation.
In this embodiment, when performing vision examination, target lens data in the vision testing system is adjusted and set according to information such as the pupil distance of a patient, and the target lens data includes not only information such as the visual acuity but also information such as the pupil distance and even the anterior rake angle of the patient. The control device 103 processes the set target lens data to obtain first driving information reflecting the target lens data, and sends the first driving information to the driving device 102, so that the transverse adjusting part is driven to transversely move according to the first driving information to reach a distance meeting the interpupillary distance, and meanwhile, the deflection adjusting part deflects according to the first driving part until the distance between the anteversion angle and the vertex of the cornea of the patient and the distance between the test lens and the vertex of the cornea of the patient reach a proper distance; most importantly, the lens placing disk set is driven by the driving device 102 to operate, specifically, to rotate the angle according to the first driving information until the data degree of the target lens is reached. After the operation starts, the feedback device 104 detects and sends a plurality of operation information of each device to the control device 103, the control device 103 judges whether the plurality of operation information meet the target lens data to realize accurate measurement of the vision test, and if not, the control device further sends second driving information to perform intelligent adjustment again. The invention not only can accurately adjust the lens placing disc, the transverse adjusting part and the deflection adjusting part in an intelligent adjusting mode, but also can effectively improve the detection precision and meet the requirements of people in a mode of detecting and feeding back the adjusting information through the feedback device 104 and then carrying out secondary adjustment.
In this embodiment, the receiving and determining, by the control device 103, whether the plurality of pieces of operation information conform to the target lens data to obtain a determination result, and generating the second driving information according to the determination result includes: if the plurality of pieces of operation information conform to the target lens data, generating stop information and sending the stop information to the driving device 102; if the plurality of pieces of operation information do not conform to the target lens data, second driving information is generated and sent to the driving device 102.
The target lens data is set according to the vision condition of the subject, and if the target lens data is selected from 25 degrees of right myopia, 75 degrees of left hyperopia, 61 mm of pupil distance, and 8 degrees of anteversion angle, the corresponding left disk rotation angle should be 30 degrees, the corresponding right disk rotation angle should be 60 degrees, the corresponding transverse displacement of the transverse adjustment part should be +3mm, and the deflection displacement of the deflection adjustment part should be 8 degrees, and the detected plurality of pieces of operation information include 29 degrees of left disk rotation angle, 60 degrees of right disk rotation angle, +2mm of transverse displacement of the transverse adjustment part, and 7 degrees of anteversion angle, so that the operation information does not match the target lens data, and second driving information is generated and sent to the driving device 102, preferably, the second driving information should include 1 degree of left disk rotation angle, +2mm of transverse displacement of the transverse adjustment part, and the deflection displacement of the deflection adjustment part should be 1 degree. The invention carries out secondary regulation by feeding back the feedback device 104 after detection, thereby effectively improving the detection regulation precision and reducing the error.
In this embodiment, the control device 103 includes a primary controller and a secondary controller, the driving device 102 includes a plurality of primary motors and a plurality of secondary motors, the primary controller is configured to control the plurality of primary motors, and the secondary controller is configured to control the plurality of secondary motors. Wherein, the primary motor is used for driving the transverse adjusting part and the deflection adjusting part to operate, and the secondary motor is used for driving the plurality of lens placing discs in the lens placing disc group to operate.
In this embodiment, after the target lens data is input, the primary controller receives and processes the target lens data to obtain first driving information, and then sends the first driving information to the plurality of primary motors and the plurality of secondary motors, so that the plurality of primary motors drive the transverse adjusting frames and the deflection adjusting frames to operate, and the plurality of secondary motors drive the plurality of lens placing discs to operate. Of course, after the target lens data is input, the first-stage controller and the second-stage controller may also receive and process the data at the same time to obtain the first driving information, and the second-stage controller respectively send the first driving information to the plurality of first-stage motors and the plurality of second-stage motors. The scheme controller controls and drives a plurality of operation parts through a plurality of motors, thereby achieving the effects of saving the space of the device and improving the adjustment processing precision.
In this embodiment, the feedback device 104 includes a hall sensor and a displacement sensor, the plurality of operation information includes a plurality of primary operation information and a plurality of secondary operation information, and the second driving information includes primary second driving information and secondary second driving information. Horizontal regulating part with all be equipped with displacement response piece on the regulating part that deflects, the displacement inductor passes through displacement response piece detects respectively horizontal regulating part with a plurality of the regulating part that deflects one-level operating information, and with a plurality of one-level operating information send to one-level controller.
Wherein, the displacement response piece can set up the suitable position on the eyesight testing arrangement alignment jig according to particular case, and when horizontal regulating part and the adjusting part that deflects began the operation, the displacement inductor detects actual operation situation through the response piece to send to one-level controller, realized the effect of real-time accurate adjustment instrument, improve the intellectuality of eyesight test.
In the embodiment, the primary controller receives and judges whether the primary operation information conforms to the target lens data, and if so, generates stop information and sends the stop information to the primary motor; and if not, generating the primary second driving information and sending the primary second driving information to the primary motor. If the data on the target lens is: pupil distance 61 millimeters, 8 degrees on the anteversion angle, its horizontal regulating part lateral displacement who corresponds should be +3mm, the deflection regulating part deflection displacement should be 8 degrees, and a plurality of one-level operating information that detect the gained are horizontal regulating part lateral displacement and are +3mm, and the deflection regulating part deflection displacement is 8 degrees, and a plurality of one-level operating information accord with target lens data so, and one-level controller generates stop information and sends to one-level motor, adjusts the completion. And when a plurality of one-level operation information that the detection gained are that the lateral displacement of the lateral adjustment part is +4mm, the deflection displacement of the deflection adjustment part is 5 degrees, so a plurality of one-level operation information do not accord with the target lens data, the one-level controller generates second driving information and sends the second driving information to the one-level motor, wherein, the second driving information is that the lateral displacement of the lateral adjustment part is-1 mm, the deflection displacement of the deflection adjustment part is 1 degree, thereby the high precision of pupil distance adjustment and the reasonable and accurate distance between the eye cornea vertex and the test lens are realized, and the intelligence and the precision of instrument adjustment are effectively improved.
In this embodiment, magnets are placed on the plurality of mirror placing discs, the hall sensor senses the operation information of the plurality of mirror placing discs respectively through the magnets to obtain the plurality of secondary operation information, and sends the plurality of secondary operation information to the secondary controller, the secondary controller receives and judges whether the plurality of secondary operation information conforms to the target lens data, and if so, stop information is generated and sent to the secondary motor; and if not, generating the secondary second driving information and sending the secondary second driving information to the secondary motor.
The plurality of lens placing discs are provided with holes, the magnets are placed in the holes, and the Hall sensors detect the operation information of the plurality of lens placing discs through magnetic induction effect between the Hall sensors and the magnets so as to obtain a plurality of secondary operation information. If the target lens data is 25 degrees of right myopia and 75 degrees of left hyperopia, the corresponding rotation angle of the left lens placing disc is 30 degrees and the corresponding rotation angle of the right lens placing disc is 60 degrees, and the detected multiple pieces of operation information are that the rotation angle of the left lens placing disc is 30 degrees and the rotation angle of the right lens placing disc is 60 degrees, then the operation information is in accordance with the target lens data, and stop information is generated and sent to the secondary motor; if the detected multiple pieces of operation information are 29 degrees of the left lens placing disk rotation angle and 59 degrees of the right lens placing disk rotation angle, and the operation information is not matched with the target lens data, second-stage second driving information is generated and sent to a second-stage motor, wherein the second-stage second driving information is 1 degree of the left lens placing disk rotation angle and 1 degree of the right lens placing disk rotation angle, and therefore adjustment intellectualization and accuracy of the vision testing instrument are effectively improved.
The invention not only realizes accurate adjustment by intelligently adjusting the lens placing disc, the transverse adjusting part and the deflection adjusting part, but also accurately positions the position distance between the vertex of the cornea and the test lens and the rotation angle of the lens placing disc by detecting and feeding back the adjusting information through the feedback device 104 and then performing secondary adjustment, thereby effectively improving the detection precision and meeting the requirements of people.
Referring to fig. 2, the present invention further provides a vision testing method, which includes: step 201, receiving and processing target lens data to obtain first driving information; step 202, driving a plurality of mirror placing discs in the transverse adjusting part, the deflection adjusting part and the mirror placing disc group to start to operate according to the first driving information; step 203, detecting the running states of the transverse adjusting part, the deflection adjusting part and the plurality of mirror placing discs to obtain a plurality of running information; and 204, judging whether the plurality of running information accords with the target lens data, if so, generating stop information, and if not, generating second driving information for driving running.
In the embodiment, the set preset target lens data is received and processed to obtain first driving information, and then the plurality of lens placing discs in the transverse adjusting part, the deflection adjusting part and the lens placing disc group are respectively driven to operate according to the first driving information; detecting a plurality of operation information of a plurality of lens placing discs in the transverse adjusting part, the deflection adjusting part and the lens placing discs, comparing the plurality of operation information with preset target lens data, and judging whether the expected effect is achieved; if the plurality of running information are consistent with the target lens data, the expected effect is achieved, stop information can be generated, and detection is finished; if not, indicating that the expected requirement is not met, generating second driving information according to the difference between the plurality of running information and the target lens data for secondary adjustment until the expected requirement is finally met. The invention not only realizes primary accurate adjustment by intelligently adjusting the vision detection, but also accurately controls the running state of the instrument by detecting and feeding back the adjustment information through the feedback device and then adding a secondary adjustment mode, thereby effectively improving the detection accuracy and meeting the requirements of people.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A vision testing system, comprising:
the operation device comprises a transverse adjusting part, a deflection adjusting part and a lens placing disc set, wherein the lens placing disc set comprises a plurality of lens placing discs, and the lens placing discs are used for placing a plurality of test lenses;
the driving device is used for driving the running device to run and comprises a plurality of primary motors and a plurality of secondary motors;
the control device is used for receiving target lens data and processing the target lens data to obtain first driving information, the first driving information is used for being sent to the driving device, the driving device is driven according to the first driving information, the control device comprises a primary controller and a secondary controller, the target lens data are determined according to the vision condition of an object, and the target lens data comprise vision degree, pupil distance and anteversion angle information;
the feedback device is used for detecting a plurality of pieces of operation information of the operation device and sending the plurality of pieces of operation information to the control device;
the control device receives and judges whether the plurality of operation information accords with the target lens data or not to obtain a judgment result, generates second driving information according to the judgment result and sends the second driving information to the driving device for driving operation;
the plurality of operation information comprises a plurality of primary operation information and a plurality of secondary operation information;
the primary operation information is used for being sent to a primary controller, the primary controller is used for controlling the primary motors, and the primary motors are used for driving the transverse adjusting part and the deflection adjusting part to operate;
the secondary operation information is used for being sent to a secondary controller, the secondary controller is used for controlling the secondary motors, and the secondary motors are used for driving the multiple mirror placing discs in the mirror placing disc group to operate.
2. The system of claim 1, wherein the control device receives and determines whether the plurality of operation information corresponds to the target lens data, obtains a determination result, and generates the second driving information according to the determination result comprises:
if the running information conforms to the target lens data, generating stop information and sending the stop information to the driving device;
and if the plurality of pieces of operation information do not accord with the target lens data, generating second driving information and sending the second driving information to the driving device.
3. The system of claim 1, wherein the feedback device comprises a hall sensor and a displacement sensor, and the second driving information comprises primary second driving information and secondary second driving information.
4. The system according to claim 3, wherein displacement sensing pieces are arranged on the transverse adjusting part and the deflection adjusting part, and the displacement sensor respectively detects a plurality of primary operation information of the transverse adjusting part and the deflection adjusting part through the displacement sensing pieces.
5. The system of claim 4, wherein the primary controller receives and determines whether the plurality of primary operational information matches the target lens data, and if so, generates and sends a stop message to the primary motor; and if not, generating the primary second driving information and sending the primary second driving information to the primary motor.
6. The system according to claim 3, wherein magnets are disposed on the plurality of mirror placing discs, and the Hall sensor respectively detects the operation information of the plurality of mirror placing discs through magnet induction to obtain the plurality of secondary operation information.
7. The system of claim 6, wherein the secondary controller receives and determines whether the plurality of secondary operational information corresponds to the target lens data, and if so, generates and sends a stop message to the secondary motor; and if not, generating the secondary second driving information and sending the secondary second driving information to the secondary motor.
8. An optometric method, comprising:
receiving and processing target lens data to obtain first driving information; the target lens data is determined according to vision conditions of the object, and the target lens data comprises vision power, pupil distance and anteversion angle information
Driving a plurality of mirror placing discs in the transverse adjusting part, the deflection adjusting part and the mirror placing disc group to start to operate according to the first driving information;
detecting the running states of the transverse adjusting part, the deflection adjusting part and the plurality of mirror placing discs to obtain a plurality of running information; the plurality of operation information comprises a plurality of primary operation information and a plurality of secondary operation information; the primary operation information is used for being sent to a primary controller, the primary controller is used for controlling the primary motors, and the primary motors are used for driving the transverse adjusting part and the deflection adjusting part to operate; the secondary operation information is used for being sent to a secondary controller, the secondary controller is used for controlling the secondary motors, and the secondary motors are used for driving the multiple lens placing discs in the lens placing disc group to operate;
and judging whether the plurality of operation information accords with the target lens data, if so, generating stop information, and if not, generating second driving information for driving operation.
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| CN109633924A (en) | 2019-04-16 |
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