CN219480055U - Vision testing device, mobile phone and system - Google Patents
Vision testing device, mobile phone and system Download PDFInfo
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- CN219480055U CN219480055U CN202320654931.8U CN202320654931U CN219480055U CN 219480055 U CN219480055 U CN 219480055U CN 202320654931 U CN202320654931 U CN 202320654931U CN 219480055 U CN219480055 U CN 219480055U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application provides a vision testing device, a mobile phone and a system. The vision testing device comprises a processor and a touch display screen. The input end of the processor acquires the pupil distance of the tested person, and the first output end of the processor is connected with the touch display screen and outputs a visual target for vision testing to the touch display screen; the touch control display screen receives the visual target through the data receiving end under the condition that the pupil distance of the observer is consistent with the pupil distance of the tested person, and displays the visual target in the test area; the processor receives the touch operation of the visual target input by the touch display screen through the detection end, and obtains and outputs the vision test result to the touch display screen through the second output end according to the touch operation. Therefore, the sighting target in the test area is displayed in the touch display screen of the mobile phone, another person is not required to point at the icon as the tested person, the tested person can use the mobile phone to operate by himself, visual inspection is carried out, and the tested person is convenient to use.
Description
Technical Field
The utility model relates to the technical field of vision testing, in particular to a vision testing device, a mobile phone and a system.
Background
The vision testing devices in the related art are mainly divided into two methods, one is to observe an eye chart, and the other is to use an electronic vision measuring instrument.
The two vision testing devices need another auxiliary person to be used as a pointing icon of the tested person to make judgment, so that inconvenience is caused to the tested person.
Disclosure of Invention
The application provides a vision testing device, cell-phone and system, and the testee can use the cell-phone operation by oneself, carries out the vision inspection, and the testee uses conveniently.
The application provides a vision testing device which is applied to a mobile phone, wherein the mobile phone is arranged in a mounting frame of an observer for vision testing, the observer comprises a first visual window for an observed person to observe, a second visual window opposite to the first visual window and arranged at intervals, and a visual channel communicated with the first visual window and the second visual window, the mounting frame is arranged close to the second visual window, and the distance between the visual channel and the mobile phone simulates the standard vision testing distance;
the vision testing device comprises:
the processor comprises an input end and a first output end, wherein the input end acquires the pupil distance of a tested person, and the first output end is connected with a touch display screen and outputs a sighting target for vision test to the touch display screen;
The touch control display screen comprises a data receiving end connected with the first output end, the touch control display screen receives the visual target through the data receiving end under the condition that the pupil distance of the observer is consistent with the pupil distance of the tested person, the visual target is displayed in the test area, the visual target faces the second visual window, and the touch control display screen is at least displayed in a visual channel of the observer;
the processor further comprises a detection end and a second output end, the detection end and the second output end are respectively connected with the touch display screen, the processor receives touch operation of the visual target input by the touch display screen through the detection end, obtains a vision test result of the tested person according to the touch operation, and outputs the vision test result to the touch display screen through the second output end.
Further, the mobile phone comprises a memory, wherein the memory is used for storing the screen resolution of the touch display screen of the mobile phone;
the processor comprises an equipment terminal data acquisition end connected with the memory and a processing sub-circuit respectively connected with the touch display screen and the equipment terminal data acquisition end, wherein the processing sub-circuit comprises a second output end;
The processing sub-circuit obtains the screen resolution in the memory through the equipment terminal data obtaining end, obtains the number of pixel points required by the visual target, obtains the visual target according to the number of pixel points, and outputs the visual target to the touch display screen through the second output end;
and the touch control display screen receives the optotype through the data receiving end and displays the optotype in the test area.
Further, the processing sub-circuit comprises a computing circuit, the computing circuit is connected with the equipment terminal data acquisition end, and the computing circuit comprises the second output end;
the computing circuit obtains the screen resolution in the memory through the equipment terminal data obtaining end to obtain the size of a single screen pixel point, and the ratio of the size of the visual target to the size of the single screen pixel point is an integer to obtain the number of the pixel points required by the visual target so as to obtain the visual target, and the second output end outputs the visual target to the touch display screen.
Further, the processor comprises a communication module for communication connection with the observer and a processing sub-circuit connected with the communication module, wherein the communication module comprises an observer data reading end; the processing sub-circuit includes the second output terminal;
The processing sub-circuit obtains the actual observation distance of the observer through the observer data reading end, converts the actual observation distance into fixed simulation observation parameters, adjusts the size of the sighting target according to the simulation observation parameters, obtains the adjusted sighting target size as the sighting target size, and outputs the sighting target size to the touch display screen through the second output end;
and the touch display screen receives the optotype through the data receiving end and displays the optotype in the test area according to the size of the optotype.
Further, the processor comprises a sighting target data acquisition end connected with the sighting target storage library and a processing sub-circuit connected with the sighting target data acquisition end, wherein the processing sub-circuit comprises the second output end;
the processing sub-circuit obtains a plurality of optotypes through the optotype data obtaining end and randomly outputs the optotypes to the touch display screen through the second output end;
and the touch display screen receives the optotype through the data receiving end and displays the optotype in the test area according to the received sequence.
Further, the visual channels of the observer comprise a left eye visual channel and a right eye visual channel, the optotype comprises a left eye optotype and a right eye optotype, the test area comprises a left test area with the left eye optotype and a right test area with the right eye optotype, the left eye visual channel is opposite to the left test area, and the right eye visual channel is opposite to the right test area;
The left eye optotype is used for testing the left eye vision of the tested person, and is displayed in the left testing area of the mobile phone;
the right eye optotype is used for testing the right eye vision of the tested person, and the right eye optotype is displayed in the right testing area of the mobile phone.
Further, the test area comprises an operable area for the testee to judge the direction of the visual target, the operable area is positioned around the visual target, and an operation space exists between the operable area and the second visual window;
the processor comprises a judging sub-circuit connected with the detection end, and receives the operation direction of the touch operation of the visual target, which is input by the touch display screen, through the detection end; the judging sub-circuit is used for comparing whether the operation direction is consistent with the opening direction of the sighting target or not; determining that the determination of the optotype by the person to be measured is correct when the operation direction is consistent with the opening direction of the optotype; and when the operation direction is inconsistent with the opening direction of the sighting target, determining that the judgment of the sighting target by the testee is incorrect.
The application provides a mobile phone comprising the vision testing device.
The application provides a vision testing system, which comprises a mobile phone and an observer, wherein the mobile phone is arranged in a mounting frame of the observer;
the observer is used for adjusting the pupil distance of the observer to be consistent with the pupil distance of the tested person according to the pupil distance.
Further, the mounting frame comprises an adjustable clamp, the adjustable clamp is connected to one side of the second visual window, the mobile phone is clamped in the adjustable clamp, and a clamping space between the adjustable clamp and the observer is used for being adapted to mobile phones with different sizes.
Further, the adjustable clamp comprises two opposite side fixing ends and two side slidable clamping ends connected with the fixing ends, wherein the fixing ends are connected to one side of the second visual window, and the clamping ends are abutted to the mobile phone.
Further, the adjustable clamp comprises two telescopic clamp installation ends which are oppositely arranged and a plurality of fixing clamp installation ends which are connected with the telescopic clamp installation ends, the telescopic clamp installation ends are connected to one side of the second visual window, the fixing clamps are abutted to the mobile phone, and the fixing clamp installation ends are mutually staggered and are in relative sliding connection.
In some embodiments, the vision testing device is applied to a mobile phone. The mobile phone is arranged in the mounting frame of the observer for vision test, and the input end of the processor obtains the pupil distance of the measured person so that the pupil distance regulated by the observer is consistent with the pupil distance of the measured person. The touch control display screen of the mobile phone displays a visual target positioned in the test area, and the visual target faces the second visual window and the visual channel. Therefore, the sighting target in the test area is displayed in the touch display screen of the mobile phone, another person is not required to point at the icon as the tested person, the tested person can use the mobile phone to operate by himself, visual inspection is carried out, and the tested person is convenient to use.
Drawings
Fig. 1a is a schematic perspective view illustrating an application of a vision testing device according to an embodiment of the present application to a vision testing system;
FIG. 1b is a schematic perspective view of the vision testing system of FIG. 1a from another perspective;
FIG. 1c is a schematic perspective view of the vision testing system of FIG. 1a from another perspective;
FIG. 2a is a schematic diagram of the internal lens system of the viewer of the vision testing system of FIG. 1 a;
FIG. 2b is a schematic diagram of another view of the internal lens system of the viewer of FIG. 2 a;
Fig. 3a is a schematic structural diagram of a vision testing device according to an embodiment of the present disclosure;
FIG. 3b is a schematic diagram of the vision range conversion of the processor of the vision testing apparatus of the embodiments of the present application;
fig. 4 is a flowchart illustrating an application example of the vision inspection apparatus provided in the embodiment of the present application;
fig. 5 is a flowchart illustrating an implementation of an application example of the vision testing apparatus provided in the embodiment of the present application;
fig. 6 is a schematic structural diagram of a mobile phone according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a vision testing system viewer according to another embodiment of the present application;
FIG. 8 is a schematic view of another view of the viewer of FIG. 7;
fig. 9 is a schematic diagram of a further view of the viewer of fig. 7.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus consistent with some aspects of the present application as detailed in the accompanying claims.
The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "a" or "an" and the like as used in the description and the claims do not denote a limitation of quantity, but rather denote the presence of at least one. The term "plurality" includes two, corresponding to at least two. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
In order to solve the technical problem that another auxiliary person is needed to be used as a tested person to point out an icon and judge so as to cause inconvenience to the tested person, the embodiment of the application provides a vision testing device which is applied to a mobile phone. The vision testing device comprises a processor and a touch display screen.
The processor comprises an input end and a first output end, wherein the input end acquires the pupil distance of a tested person, the first output end is connected with the touch display screen, and a sighting target for vision testing is output to the touch display screen. The touch control display screen comprises a data receiving end connected with the first output end, receives the visual target through the data receiving end under the condition that the pupil distance of the observer is consistent with the pupil distance of the tested person, displays the visual target in the test area and is opposite to the second visual window, and the touch control display screen is at least displayed in a visual channel of the observer; the processor receives the touch operation of the visual target input by the touch display screen through the detection end, obtains the vision test result of the tested person according to the touch operation, and outputs the vision test result to the touch display screen through the second output end.
In this application embodiment, the cell-phone sets up in the mounting bracket of viewer, and convenience of customers uses the operation. And the input end of the processor obtains the pupil distance of the tested person so that the pupil distance regulated by the observer is consistent with the pupil distance of the tested person, and the vision test can be carried out aiming at the pupil distance of the tested person, so that the vision test device has individuation. In addition, when the pupil distance of the observer is consistent with the pupil distance of the tested person, the touch control display screen displays a sighting target positioned in the testing area, and the sighting target faces the second visual window and the visual channel. Therefore, the sighting target in the test area is displayed in the touch display screen of the mobile phone, another person is not required to point at the icon as the tested person, the tested person can use the mobile phone to operate by himself, visual inspection is carried out, and the tested person is convenient to use.
Fig. 1a is a schematic perspective view illustrating an application of a vision testing device according to an embodiment of the present application to a vision testing system. Fig. 1b is a schematic perspective view of the vision testing system of fig. 1a from another perspective. Fig. 1c is a schematic perspective view of a further view of the vision testing system of fig. 1 a.
As shown in fig. 1 a-1 c, the vision testing apparatus may be applied to a vision testing system 10. Vision testing system 10 includes an observer 30 for vision testing, and a cell phone 20. Handset 20 is disposed within mount 31 of viewer 30.
The observer 30 includes a first visual window 32 for the observer to observe, a second visual window 33 facing the first visual window 32 and spaced apart, and a visual channel (not shown) formed between the first visual window 32 and the second visual window 33, and the mounting frame 31 is disposed near the second visual window 33. The viewing channel (not shown) is located inside the housing of the viewer 30. The first visual window 32 is closer to the subject than the second visual window 33 is to the eyes of the subject, so that the subject observes from the first visual window 32 to the second visual window 33 through a visual channel (not shown), and extends the observation range to the touch display screen of the mobile phone 20.
Fig. 2a is a schematic diagram of the internal lens system of the viewer of the vision testing system of fig. 1 a. Fig. 2b is a schematic diagram of another view of the internal lens system of the viewer of fig. 2 a.
As shown in fig. 2a and 2b, the viewer may use a lens system of a plano-convex lens 341 and a meniscus lens 342 in combination to achieve an actual viewing distance of 5 meters simulating the current vision testing requirements by reducing the optotype size over a short distance. The lens systems may include lens systems for the left eye and right eye, respectively. The single-eye lens system 34 includes a single meniscus lens 342 and a single plano-convex lens 341. In this way, the optotype is reduced by the concave-convex lens 342 and the plano-convex lens 341, and barrel distortion can be reduced, so that the visual angle is the same as the visual angle in the actual observation distance test of 5 m, which simulates the current visual test requirement, while the optotype imaged in the human eye does not generate distortion.
In the example shown in fig. 2a and 2b, the lenses used in the embodiments of the present application employ an outer diameter of 14.40mm and an inner diameter of 11.80mm, wherein the meniscus 342 has a width of 2.50mm and the plano-convex 341 has a width of 3.00mm. The optotype is displayed by the touch display screen of the mobile phone 20, and then the optotype is reduced after passing through the lens system of the concave-convex lens 342 and the convex lens 341 which are combined and regulated, and the lens system can reduce barrel distortion, so that the visual angle is the same as the visual angle required by the current vision test when the optotype imaged in the eyes of the human is not distorted.
Illustratively, the vision testing apparatus described above may be applied to the mobile phone 20, and the vision testing apparatus described above may further be applied to APP (Application) of the mobile phone 20. And are not exemplified here. With the popularization of mobile phones, more users can use the mobile phones more conveniently. For details, see below.
Fig. 3a is a schematic structural diagram of a vision testing device according to an embodiment of the present application.
The embodiment of the application provides a vision testing device, which is applied to a mobile phone, wherein the distance between a visual channel and the mobile phone simulates a standard vision testing distance, and the distance between the visual channel and the mobile phone is also the distance between the visual channel and a touch display screen of the mobile phone, and is also called as the observation distance of simulated observation parameters of an observer.
As shown in fig. 3a, the vision testing device includes a processor 61 and a touch display screen 62.
The processor 61 includes an input end and a first output end, the input end obtains the pupil distance of the tested person, the first output end is connected with the touch display screen 62, and outputs a visual target for vision testing to the touch display screen 62, and the visual target is located in the testing area of the touch display screen 62.
The pupil distance of the subject is the pupil distance of the subject. The method for obtaining the pupil distance of the processor may further include:
in one acquisition mode, the pupil distance input by the subject through the touch display screen 62 is acquired.
In another acquisition mode, the acquisition subject displays the selected pupil distance among the candidate pupil distances through the touch display screen 62.
The observer can be adjusted by itself to be consistent with the pupil distance of the tested person.
The touch display screen 62 includes a data receiving end connected to the first output end, where the touch display screen 62 receives the optotype through the data receiving end when the pupillary distance of the observer is consistent with the pupillary distance of the tested person, and displays the optotype in the test area, the optotype faces the second visual window, and the touch display screen 62 is at least displayed in a visual channel of the observer. Thus, the visual channel of the observer faces the testing area displayed by the mobile device, so that the screen of the mobile phone faces the visual area of the observer. In this way, the observation of the optotype can be achieved.
The optotype can be used for displaying the opening direction of the optotype, and a testee can distinguish the opening direction of the optotype for vision test. Optotype may include, but is not limited to, letters or numbers. By way of example, letters may be, but are not limited to, an E-letter optotype, a C-letter optotype, and the like. Any optotype falls within the scope of embodiments of the present application and is not exemplified herein.
The processor 61 further includes a detection end and a second output end, where the detection end and the second output end are respectively connected with the touch display screen 62, the processor 61 receives, through the detection end, a touch operation on the optotype input by the touch display screen 62, and the processor 61 obtains a vision test result of the tested person according to the touch operation, and outputs the vision test result to the touch display screen 62 through the second output end.
After the processor 61 outputs the vision test result to the touch display screen 62 through the second output end, the device further includes a memory, where the memory is used to store the vision test result of the tested person each time, and the memory is stored in a server, so that the tested person can know the vision change conveniently.
Compared with the vision testing of the related art, the vision testing device has the advantages that larger fields and auxiliary personnel are needed for guidance, in the embodiment of the application, the mobile phone can be combined with the observer to perform quick vision testing, the larger fields are not required, the position of the observer and the position of the mobile phone are needed, the vision self-testing of a tested person can be realized, and the vision can be quickly detected.
In some embodiments, the handset includes a memory for storing a screen resolution of the touch display screen 62 of the handset;
the processor 61 includes a device terminal data acquisition end connected to the memory, and a processing sub-circuit connected to the touch display screen 62 and the device terminal data acquisition end, respectively, where the processing sub-circuit includes the second output end;
the processing sub-circuit obtains the screen resolution in the memory through the equipment terminal data obtaining end, obtains the number of pixels required by the visual target, obtains the visual target according to the number of pixels, and outputs the visual target to the touch display screen 62 through the second output end;
the touch display screen 62 receives the optotype through the data receiving end and displays the optotype in the test area.
In this embodiment, the resolution of the touch display screen 62 is calculated, so that the same size of optotype can be ensured to be maintained in the touch display screen 62 of the mobile phone with different resolutions, the adaptability of the optotype is improved, and the requirements of the testees of the mobile phone with different resolutions are met.
Further, the processing sub-circuit comprises a computing circuit, the computing circuit is connected with the equipment terminal data acquisition end, and the computing circuit comprises the second output end;
the computing circuit obtains the screen resolution in the memory through the device terminal data obtaining end, obtains the size of a single screen pixel point, and takes the ratio of the size of the optotype to the size of the single screen pixel point as an integer, obtains the number of the pixels required by the optotype, so as to obtain the optotype, and outputs the optotype to the touch display screen 62 through the second output end.
The implementation of the above-mentioned integer ratio of the size of the optotype to the size of the single screen pixel point may include rounding down the ratio of the size of the optotype to the size of the single screen pixel point, or rounding up the ratio of the size of the optotype to the size of the single screen pixel point, or rounding down the ratio of the size of the optotype to the size of the single screen pixel point. In this way, incomplete pixels can be avoided, and at least a single screen pixel display optotype can be obtained.
The following examples are detailed:
In the first step, the above-mentioned calculation circuit obtains the screen information of the touch display screen 62 of the mobile phone, and calculates the width and height of the single pixel point of the touch display screen 62. Wherein the screen information includes a width and a height of the screen.
And secondly, the calculation circuit calculates the number of screen pixel points required by the optotype according to the width and the height of the required optotype. The formula is as follows:
P w ＝V w /S w *S wn
P h ＝V h /S h *S hn
V w＝ V h
wherein P is w And P h The number of the screen pixel points required by the optotype in the width direction and the height direction is V w And V h Width and height of the optotype, in inches, S w And S is h The width and height of the screen information of the touch display screen 62, respectively; s is S wn And S is hn The total number of pixels in the width direction and the height direction of the touch display screen 62, respectively.
Third, the calculated current is output to the touch display screen 62 through the second output terminal, and the touch display screen displays the optotype in the test area.
Illustratively, each pixel has a width and a height of 0.5cm and 0.5cm, respectively.
The width and height of the optotype are 2cm, respectively.
The number of screen pixels required by the optotype in the width and height directions is 2/0.5=4, respectively.
In yet another embodiment, the processor 61 comprises a communication module for communicative connection with the viewer and a processing sub-circuit connected with the communication module, the communication module comprising a viewer data reading end; the processing sub-circuit includes the second output terminal;
the processing sub-circuit obtains the actual observation distance of the observer through the observer data reading end, converts the actual observation distance into fixed simulation observation parameters, adjusts the size of the sighting target according to the simulation observation parameters, obtains the adjusted sighting target size as the sighting target size, and outputs the sighting target size to the touch display screen through the second output end.
The processing sub-circuit is provided with a mode for determining fixed simulation observation parameters, wherein the simulation observation parameters are obtained according to the relation between the actual observation distance of the observer and the distances between the mobile terminal equipment and the concave-convex lens and the distances between the concave-convex lens and the plano-convex lens. The simulated viewing parameter may include, but is not limited to, the magnification β of the optical system or the viewing distance between the simulated handset and the viewer.
Fig. 3b is a schematic diagram showing the range conversion of the processor of the vision testing apparatus according to the embodiment of the present application.
As shown in fig. 3b, on the premise that the lens can form an object image relationship, the relationship between the magnification β of the optical system and the lens and the object image, i.e., the content of the mobile phone screen, can be derived according to the formula. The formula is as follows:
wherein phi is 1 Is the focal power of meniscus 342, L 1 L is the first distance between the mobile phone and the meniscus 342 2 Is the second distance L between the concave-convex lens 342 and the plane-convex lens 341 3 To require a simulated actual observation distance, the actual observation distance is, for example, a 5 meter distance.
The mobile phone terminal can be according to phi 1 First distance L 1 Second distance L 2 And actual observationDistance L 3 And acquiring the magnification beta of the optical system, reducing the size of the vision test optotype according to the beta magnification, and displaying the optotype on a mobile phone screen.
The touch display screen 62 receives the optotype through the data receiving end, and displays the optotype in the test area in the size of the optotype.
In another embodiment, the processor 61 includes a target data acquisition terminal for connection to a target repository, and a processing sub-circuit connected to the target data acquisition terminal, the processing sub-circuit including the second output terminal;
The processing sub-circuit obtains a plurality of optotypes through the optotype data obtaining end and randomly outputs the optotypes to the touch display screen 62 through the second output end;
the touch display screen 62 receives the optotype through the data receiving end, and displays the optotype in the test area according to the received order.
In the present embodiment, the opening directions of the touch display screen 62 for displaying the optotype can be upward, downward, leftward and rightward, respectively. The openings are randomly displayed, and the optotypes in the same direction are not continuously displayed, so that the tested person can not influence the test result due to the history memory in multiple tests.
Fig. 4 is a flowchart illustrating an example of application of the vision inspection apparatus according to the embodiment of the present application.
In the embodiment shown in fig. 4, the visual channels (not shown) of the viewer include a left eye visual channel (not shown) and a right eye visual channel (not shown), the targets include a left eye target 411 and a right eye target 421, the test areas include a left test area 41 having the left eye target 411 and a right test area 42 having the right eye target 421, and the left eye visual channel is opposite to the left test area 41 and the right eye visual channel is opposite to the right test area 42;
The left eye optotype is used for testing the left eye vision of the tested person, and is displayed in the left testing area of the mobile phone;
the right eye optotype is used for testing the right eye vision of the tested person, and the right eye optotype is displayed in the right testing area of the mobile phone.
The processor 61 obtains the vision test result of the tested person according to the touch operation, and outputs the vision test result to the touch display screen 62 through the second output end, wherein the vision test result is specifically used for 1>, and the left eye optotype 411 in the left test area 41 is displayed on the mobile phone, so as to perform the left eye vision test of the tested person. 2>, the right eye optotype 421 positioned in the right test area 42 is displayed on the mobile phone, and the right eye vision test of the tested person is performed.
Continuing with fig. 4, the touch display screen 62 includes a test area 40 and an operable area 50 for the subject to determine the direction of the optotype, the operable area 50 is located around the optotype, and an operation space exists between the operable area 50 and the second visual window. Operable area 50 is disposed away from the second visual window, which facilitates operation of the subject on handset 20 without affecting the viewing of the optotype. The operable area is positioned below the observer, and is convenient for a user to operate. The operable area is located in the area below the optotype, so that the user can observe conveniently, and the user can operate conveniently.
Referring to fig. 3a, the above-mentioned processor may further include a 1 st step of acquiring, based on the optotype, an operation direction of a user touch operation on the optotype; comparing whether the operation direction is consistent with the opening direction of the sighting target; if so, i.e. the direction of operation coincides with the opening orientation of the optotype, step 2 is performed. If not, i.e. the direction of operation is not consistent with the opening orientation of the optotype, step 3 is performed.
The user touch operation may include a sliding operation or a clicking operation. The operation directions include an upward operation direction, a downward operation direction, a leftward operation direction, and a rightward operation direction, respectively. The opening of the sighting target is oriented to reflect the correct sighting target direction. The operation direction is used for reflecting the sighting target direction judged by the testee.
Step 2, determining that the determination of the optotype by the testee is correct;
and 3, determining that the determination of the optotype by the testee is incorrect.
The colors of the test area 40 and the operable area 50 may be set according to the user's requirement. In some embodiments, the test area 40 and the operable area 50 are located in the touch display screen 62 of the mobile phone in the visible area of the viewer, the test area 40 is white, the optotype in the test area 40 is black, and the operable area 50 is white. Therefore, the edge can be highlighted, the contrast is increased, the vision test optotype observed by a tested person is the clearest, the surrounding background can be weakened by the vision center, the vision fatigue of the long-time vision test is weaker, the vision fatigue of the long-time vision test is relieved, and the vision test effect of a user is improved. In other embodiments, the colors of the test area and the operable area are different, and any color that distinguishes the test area and the operable area is within the scope of the embodiments of the present application.
Continuing with the example shown in fig. 3a, the optotype is an E-word optotype, the cell phone is here a cell phone, and the user touch operation is exemplified by a sliding operation.
The periphery of the test area 40 of the viewer is a black irrelevant background. The subject views the touch display screen 62 of the cell phone through the viewer. A sliding operation such as up, down, left, right, etc. is performed on the touch display screen 62 to determine the direction of the optotype. And judging whether the sliding direction of the tested person is the correct sighting target direction or not by sensing the sliding direction of the tested person so as to determine whether to reduce the sighting target size and continue the test or terminate the test.
The right eye test is performed first and then the left eye test is performed, although this is merely illustrative and not limiting in order, and the left eye test may be performed first and then the right eye test may be performed. The E-shaped optotypes of each visual angle are 5 in total, if the error number of the optotypes in the directions judged by the testee is more than or equal to 3, the fact that the optotypes in the directions cannot be judged is indicated, and the previous optotype is used as the vision test result of the eyes. After the binocular vision test is finished, the vision test results are displayed in the touch display screen 62 and are simultaneously uploaded to a server so as to record the vision test results each time and help the tested person know the vision development condition.
In some embodiments, the test area includes an operable area for determining, by the subject, a direction of the optotype, the operable area being around the optotype, and there being an operating space between the operable area and the second visual window;
the processor 61 includes a judging sub-circuit connected to the detecting end, and the processor 61 receives, through the detecting end, an operation direction of a touch operation on the optotype input by the touch display screen 62; the judging sub-circuit is used for comparing whether the operation direction is consistent with the opening direction of the sighting target or not; determining that the determination of the optotype by the person to be measured is correct when the operation direction is consistent with the opening direction of the optotype; and when the operation direction is inconsistent with the opening direction of the sighting target, determining that the judgment of the sighting target by the testee is incorrect.
Fig. 5 is a flowchart of an implementation of an application example of the vision testing apparatus provided in the embodiment of the present application.
Step 210, logging in the mobile phone vision testing application to enter the interface of the vision testing application. Thus, the security of personal information is improved by logging in the mobile phone of the person to be tested.
And 220, clicking a vision testing project of the vision testing application, and assembling the observer and the mobile phone according to the vision testing application guidance.
The step 220 is to assemble the observer and the mobile phone according to the guidance of the vision test application, specifically, to select the pupil distance of the tested person in the vision test application, and adjust the pupil distance of the observer at the same time, and to assemble the observer by aiming at the two test areas displayed in the screen of the mobile phone according to the prompt.
And 230, respectively performing right eye vision testing and left eye vision testing according to the content displayed on the touch display screen of the mobile phone observed in the observer.
The above-described step 230 of further performing the right eye vision test and the left eye vision test may include step 1, starting the user's right eye vision test from a viewing angle of 4.0.
And 2, waiting for the user to finish the test of the right eye optotype with 1 current visual angle.
And 3, judging whether the number of errors of the right eye targets with the same visual angle is more than or equal to 3. If so, namely, the right eye optotype with the same visual angle judges that the error number is more than or equal to 3, the step 5 is executed. If not, namely the right eye optotype of the same visual angle judges that the error number is smaller than 3, the step 4 is executed.
And 4, judging whether the current visual angle is 5.0. If so, i.e. the current viewing angle is 5.0, step 5 is performed. If not, i.e. the current viewing angle is not 5.0, the step 2 is performed back.
Step 5, starting the left eye vision test of the user from the angle of view of 4.0.
And 6, waiting for the user to finish the test of the left eye optotype with 1 current visual angle.
And 7, judging whether the number of errors of the left eye targets with the same visual angle is more than or equal to 3. If so, that is, the number of errors in the left-eye optotype judgment at the same viewing angle is 3 or more, step 240 is performed. If not, namely the left eye optotype of the same visual angle judges that the error number is smaller than 3, the step 8 is executed.
Step 8, whether the current visual angle is 5.0. If so, i.e., the current view is 5.0, step 240 is performed. If not, i.e. the current viewing angle is not 5.0, return to step 6.
And 240, entering a vision testing recording interface after finishing the testing, and checking the experience vision testing result of the tested person.
The vision testing device of this application embodiment is fit for using under the limited circumstances in space like less room, through the combination of observer and cell-phone APP, can help the user to realize the long-range vision test through the combination of observer and cell-phone APP under unmanned person's assistance, can help the user to realize the long-range vision test under unmanned person's assistance to can carry out many people's vision test fast and conveniently, when one person detects the end, the next person can begin to detect immediately, and this application embodiment compares in the vision testing device of correlation technique, possess faster detection speed.
Continuing to refer to fig. 1a and 1c, the mobile phone provided in the embodiment of the present application includes the vision testing device as described above.
Fig. 6 is a schematic structural diagram of a mobile phone 20 according to an embodiment of the present application. As shown in fig. 6, handset 20 also includes one or more processors 61.
In some embodiments, handset 20 may further include a computer readable storage medium 69, where computer readable storage medium 69 may store programs that may be invoked by processor 61, and may include a non-volatile storage medium. In some embodiments, handset 20 may further include memory 68 and interface 67. In some embodiments, handset 20 may also include other hardware depending on the application.
The present application may take the form of a computer program product embodied on one or more computer-readable storage media 69 (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having program code embodied therein. Computer readable storage media 69 include both permanent and non-permanent, removable and non-removable media, and may be any method or technology for information storage. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer readable storage media 69 include, but are not limited to: phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, may be used to store information that may be accessed by the computing device.
With continued reference to fig. 1a and 1c, an embodiment of the present application provides a vision testing system, including an observer for vision testing, a cell phone as described above, and an observer for vision testing, the cell phone being disposed in a mount of the observer;
the observer is used for adjusting the pupil distance of the observer to be consistent with the pupil distance of the tested person according to the pupil distance.
Continuing with the embodiment shown in fig. 1a to 1c, the mounting frame 31 includes an adjustable clamp 311, the adjustable clamp 311 is connected to one side of the second visible window 33, the mobile phone 20 is clamped in the adjustable clamp 311, and a clamping space between the adjustable clamp 311 and the viewer 30 is used for adapting to mobile phones 20 with different sizes. Thus, the same observer 30 can be used by mobile phones 20 with different sizes, so that the same observer 30 can be adapted to mobile phones 20 with different sizes, and the convenience in use of users of different mobile phones 20 is improved.
The adjustable clamp 311 comprises two fixed ends 311a disposed opposite to each other and two slidable clamping ends 311b connected to the fixed ends 311a, the fixed ends 311a are connected to one side of the second visual window 33, and the slidable clamping ends 311b are abutted to the mobile phone 20. Therefore, the sliding adjustment is smoother, and the sliding adjustment is more convenient for users to use.
The two fixed ends 311a include a plurality of mounting screws arranged side by side. And, the plurality of slidable clamping ends 311b may include a plurality of sliding bars or rails disposed side by side. The slidably disposed ends 311b overlap each other and are separable or attachable.
Fig. 7 is a schematic diagram showing the structure of a viewer 30 of the vision testing system according to another embodiment of the present application. Fig. 8 is a schematic diagram showing the structure of the viewer 30 shown in fig. 7 at another view angle. Fig. 9 is a schematic diagram showing a structure of a further view angle of the viewer 30 shown in fig. 7.
The embodiment shown in fig. 7 to 9 is similar to the embodiment shown in fig. 1a to 1c, and in comparison to the embodiment shown in fig. 1a to 1c, the mounting bracket 31 comprises an adjustable clamp 311 in the embodiment shown in fig. 7 to 9. The adjustable clamp 311 comprises two telescopic clamp mounting ends 312a and a plurality of fixed clamp ends 312b, wherein the two telescopic clamp mounting ends 312a and the fixed clamp ends 312b are oppositely arranged, the telescopic clamp mounting ends 312a are connected to one side of the second visual window, the fixed clamp ends 312b are abutted to the mobile phone 20, and the fixed clamp ends 312b are mutually staggered and are relatively connected in a sliding manner. Therefore, the sliding adjustment is more convenient for the single point to be supported on the installation end of the unilateral telescopic bracket, and the other side is adjusted after the unilateral adjustment is finished, so that the sliding adjustment is more convenient for users to use.
The attachment end 312a of the retractable clip is extendable or retractable in the longitudinal direction of the cellular phone 20 about the connection with the viewer 30. The telescopic bracket mounting end comprises an elastic piece and a connecting piece connected with the elastic piece. Illustratively, the elastic member is a spring and the connecting member is a connecting rod. The telescoping clip mounting end 312a includes a plurality of telescoping support mounts positioned side-by-side.
The fixing clamping end 312b may include a plurality of clamping bars or clamping pieces arranged side by side. The two sides of the clamping end 312b can be provided with a friction rubber sheet for preventing falling. This also ensures the stability of the fixed connection of handset 20 to viewer 30.
The foregoing description of the preferred embodiments is provided for the purpose of illustration only, and is not intended to limit the scope of the disclosure, since any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the disclosure are intended to be included within the scope of the disclosure.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the depicted element.
Claims (12)
1. The vision testing device is characterized by being applied to a mobile phone, wherein the mobile phone is arranged in a mounting frame of an observer for vision testing, the observer comprises a first visual window for an observed person to observe, a second visual window opposite to the first visual window and arranged at intervals, and a visual channel communicated with the first visual window and the second visual window, the mounting frame is arranged close to the second visual window, and the distance between the visual channel and the mobile phone simulates the standard vision testing distance;
the vision testing device comprises:
the processor comprises an input end and a first output end, wherein the input end acquires the pupil distance of a tested person, and the first output end is connected with a touch display screen and outputs a sighting target for vision test to the touch display screen;
the touch control display screen comprises a data receiving end connected with the first output end, the touch control display screen receives the visual target through the data receiving end under the condition that the pupil distance of the observer is consistent with the pupil distance of the tested person, the visual target is displayed in a test area, the visual target faces the second visual window, and the touch control display screen is at least displayed in a visual channel of the observer;
The processor further comprises a detection end and a second output end, the detection end and the second output end are respectively connected with the touch display screen, the processor receives touch operation of the visual target input by the touch display screen through the detection end, obtains a vision test result of the tested person according to the touch operation, and outputs the vision test result to the touch display screen through the second output end.
2. The vision testing device of claim 1, wherein the cell phone comprises a memory for storing a screen resolution of the touch display screen of the cell phone;
the processor comprises an equipment terminal data acquisition end connected with the memory and a processing sub-circuit respectively connected with the touch display screen and the equipment terminal data acquisition end, wherein the processing sub-circuit comprises a second output end;
the processing sub-circuit obtains the screen resolution in the memory through the equipment terminal data obtaining end, obtains the number of pixel points required by the visual target, obtains the visual target according to the number of pixel points, and outputs the visual target to the touch display screen through the second output end;
And the touch control display screen receives the optotype through the data receiving end and displays the optotype in the test area.
3. The vision testing apparatus of claim 2, wherein the processing subcircuit includes a computing circuit connected to the device terminal data acquisition terminal, the computing circuit including the second output terminal;
the computing circuit obtains the screen resolution in the memory through the equipment terminal data obtaining end to obtain the size of a single screen pixel point, and the ratio of the size of the visual target to the size of the single screen pixel point is an integer to obtain the number of the pixel points required by the visual target so as to obtain the visual target, and the second output end outputs the visual target to the touch display screen.
4. The vision testing apparatus of claim 1 or 2, wherein the processor comprises a communication module for communication with the viewer and a processing sub-circuit connected to the communication module, the communication module comprising a viewer data reading end; the processing sub-circuit includes the second output terminal;
The processing sub-circuit obtains the actual observation distance of the observer through the observer data reading end, converts the actual observation distance into fixed simulation observation parameters, adjusts the size of the sighting target according to the simulation observation parameters, obtains the adjusted sighting target size as the sighting target size, and outputs the sighting target size to the touch display screen through the second output end;
and the touch display screen receives the optotype through the data receiving end and displays the optotype in the test area according to the size of the optotype.
5. The vision testing device of claim 1 or 2, wherein the processor comprises a optotype data acquisition terminal for connection to an optotype repository, and a processing sub-circuit connected to the optotype data acquisition terminal, the processing sub-circuit comprising the second output terminal;
the processing sub-circuit obtains a plurality of optotypes through the optotype data obtaining end and randomly outputs the optotypes to the touch display screen through the second output end;
and the touch display screen receives the optotype through the data receiving end and displays the optotype in the test area according to the received sequence.
6. The vision testing device of claim 2, wherein the visual channels of the viewer comprise a left eye visual channel and a right eye visual channel, the optotype comprises a left eye optotype and a right eye optotype, the test area comprises a left test area with the left eye optotype and a right test area with the right eye optotype, and the left eye visual channel is opposite to the left test area and the right eye visual channel is opposite to the right test area;
the left eye optotype is used for testing the left eye vision of the tested person, and is displayed in the left testing area of the mobile phone;
the right eye optotype is used for testing the right eye vision of the tested person, and the right eye optotype is displayed in the right testing area of the mobile phone.
7. The vision testing apparatus according to claim 2, wherein the test area includes an operable area for the subject to determine the direction of the optotype, the operable area being around the optotype with an operation space between the operable area and the second visual window;
the processor comprises a judging sub-circuit connected with the detection end, and receives the operation direction of the touch operation of the visual target, which is input by the touch display screen, through the detection end; the judging sub-circuit is used for comparing whether the operation direction is consistent with the opening direction of the sighting target or not; determining that the determination of the optotype by the person to be measured is correct when the operation direction is consistent with the opening direction of the optotype; and when the operation direction is inconsistent with the opening direction of the sighting target, determining that the judgment of the sighting target by the testee is incorrect.
8. A mobile phone comprising a vision testing device as claimed in any one of claims 1 to 7.
9. A vision testing system comprising the cell phone of claim 8, and an observer for vision testing, the cell phone being disposed in a mount of the observer;
the observer is used for adjusting the pupil distance of the observer to be consistent with the pupil distance of the tested person according to the pupil distance.
10. The vision testing system of claim 9, wherein the mounting bracket includes an adjustable clip connected to a side of the second viewing window, the handpiece clip being disposed within the adjustable clip, a clip space between the adjustable clip and the viewer for adapting to a handpiece of different sizes.
11. The vision testing system of claim 10, wherein the adjustable clamp comprises two opposite fixed ends and two slidable clamping ends connected with the fixed ends, the fixed ends are connected to one side of the second visual window, and the clamping ends are abutted against the mobile phone.
12. The vision testing system of claim 10, wherein the adjustable clamp comprises two side telescopic clamp mounting ends arranged oppositely and a plurality of fixed clamp ends connected with the telescopic clamp mounting ends, the telescopic clamp mounting ends are connected to one side of the second visual window, the plurality of fixed clamps are abutted to the mobile phone, and the plurality of fixed clamp ends are mutually staggered and are connected in a relative sliding manner.
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| CN202320654931.8U CN219480055U (en) | 2023-03-29 | 2023-03-29 | Vision testing device, mobile phone and system |
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| CN202320654931.8U CN219480055U (en) | 2023-03-29 | 2023-03-29 | Vision testing device, mobile phone and system |
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