CN111803021A - Handheld vision detection device - Google Patents
Handheld vision detection device Download PDFInfo
- Publication number
- CN111803021A CN111803021A CN202010549684.6A CN202010549684A CN111803021A CN 111803021 A CN111803021 A CN 111803021A CN 202010549684 A CN202010549684 A CN 202010549684A CN 111803021 A CN111803021 A CN 111803021A
- Authority
- CN
- China
- Prior art keywords
- patient
- diopter
- detection mechanism
- vision
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- A61B3/0016—Operational features thereof
- A61B3/0041—Operational features thereof characterised by display arrangements
- A61B3/005—Constructional features of the display
-
- 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
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
-
- 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention discloses a handheld vision detection device, which comprises a machine body, a diopter detection mechanism, a vision detection mechanism, a printing mechanism, a processor and a memory, wherein the diopter detection mechanism is arranged on the machine body; the diopter detection mechanism is arranged on the upper side of the machine body and is used for detecting the diopter of the eyes of the patient; the vision detection mechanism is arranged at the lower side of the diopter detection mechanism and comprises a display screen assembly and a distance measurement sensor, the display screen assembly is used for displaying the electronic visual chart stored in the memory, and the distance measurement sensor is used for determining that the patient is away from the vision detection mechanism to a specified distance; the processor is respectively and electrically connected with the diopter detection mechanism, the vision detection mechanism, the printing mechanism and the memory, the printing mechanism is used for printing diopter detection results, and the memory is used for storing patient information and the electronic visual chart. The invention only needs the nurse to serve each patient in front of the nurse, and can improve the satisfaction degree of the patient.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a handheld vision detection device.
Background
When an ophthalmology patient goes to an ophthalmology department for seeing a doctor, the ophthalmology patient needs to queue to a special place to measure vision before the doctor sees the doctor, then queue to another special place to measure diopter, and then queue to the entrance of a doctor room to wait for the doctor to see the doctor. This treatment adds to the patient's mobility costs and the anxiety of multiple lines, requiring multiple medical personnel to be allocated to different consulting rooms.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a handheld vision inspection device.
A hand-held vision detection device comprises a machine body, a diopter detection mechanism, a vision detection mechanism, a printing mechanism, a processor and a memory; the diopter detection mechanism is arranged on the upper side of the body and used for detecting the diopter of the eyes of the patient; the vision detection mechanism is arranged on the lower side of the diopter detection mechanism and comprises a display screen assembly and a distance measurement sensor, the display screen assembly is used for displaying the electronic visual chart stored in the memory, and the distance measurement sensor is used for determining that the patient is away from the vision detection mechanism to a specified distance; the processor is respectively electrically connected with the diopter detection mechanism, the vision detection mechanism, the printing mechanism and the memory, the printing mechanism is used for printing diopter detection results, and the memory is used for storing patient information and an electronic visual chart.
Above technical scheme is preferred, the display screen subassembly is including locating first touch-sensitive screen and the second touch-sensitive screen of organism both sides, first touch-sensitive screen is to medical personnel, the second touch-sensitive screen is to the patient, first touch-sensitive screen is used for supplying medical personnel to select detection diopter, detection vision, printing result and instruct in the electron eye chart, the second touch-sensitive screen is used for showing to the patient electron eye chart and medical personnel select the image in the electron eye chart.
Preferably, in the above technical solution, the diopter detection mechanism includes a camera device, the camera device is configured to acquire a retinal reflection image of an eyeball, and the processor is configured to preprocess the reflection image and calculate diopter.
Above technical scheme is preferred, the distance measuring sensor is infrared distance measuring sensor, infrared distance measuring sensor locates the top of second touch-sensitive screen.
Above technical scheme is preferred, eyesight detection mechanism still includes the speaker, the speaker with the treater electricity is connected, works as infrared distance measuring sensor detects patient to the regulation distance the time, the speaker sends the suggestion sound.
The above technical solution is preferable, further comprising a patient identification mechanism, wherein the patient identification mechanism is used for identifying a patient identification code and storing the patient basic information carried by the patient identification code into the memory.
The invention has the advantages and positive effects that: the invention provides a handheld vision detection device which does not need to be moved by a patient, does not need to be fixed, can realize vision detection without influencing speech communication of doctors and patients as long as light is proper and indoor decibels can be ensured, and can improve the satisfaction degree of the patient as long as a nurse can keep up with the front of each patient.
Drawings
FIG. 1 is a schematic structural diagram of a handheld vision testing device according to an embodiment of the present invention;
FIG. 2 is a system diagram of a handheld vision inspection device according to an embodiment of the present invention;
fig. 3 is a system diagram of a processor according to an embodiment of the invention.
Wherein: 1. a body; 2. a printing mechanism; 3. a ranging sensor; 4. a first touch screen; 5. a second touch screen; 6. a camera device; 7. a loudspeaker.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment provides a handheld vision detection device, as shown in fig. 1 to 3, which includes a body 1, where the body 1 is a carrier for each component, and in order to implement diopter detection and vision detection, the embodiment further includes a diopter detection mechanism, a vision detection mechanism, a printing mechanism 2, a processor and a memory; the diopter detection mechanism is arranged on the upper side of the machine body 1 and is used for detecting the diopter of the eyes of the patient; the vision detection mechanism is arranged on the lower side of the diopter detection mechanism and comprises a display screen assembly and a distance measurement sensor 3, the display screen assembly is used for displaying the electronic visual chart stored in the memory, and the distance measurement sensor 3 is used for determining that the patient is away from the vision detection mechanism to a specified distance; the processor is respectively electrically connected with the diopter detection mechanism, the vision detection mechanism, the printing mechanism 2 and the memory, the printing mechanism 2 is used for printing diopter detection results, the memory is used for storing patient information and an electronic visual chart, for example, the specified distance is 20cm, the electronic visual chart stored in the memory is stored after the electronic visual chart determines the reduced scale size according to the specified distance, and the size of the detected characters and the corresponding vision record value are determined to accord with the national standard of the visual chart.
Specifically, the display screen subassembly is including locating first touch-sensitive screen 4 and second touch-sensitive screen 5 of 1 both sides of organism, first touch-sensitive screen 4 is towards medical personnel, second touch-sensitive screen 5 is towards the patient, first touch-sensitive screen 4 is used for supplying medical personnel to select detection diopter, detection vision, printing result and instruct in the electron eye chart, second touch-sensitive screen 5 is used for showing to the patient electron eye chart and medical personnel select the image in the electron eye chart. There are three options on the first touch screen 4: and diopter detection, vision detection and printing results, and entering a corresponding working process after clicking.
Specifically, the diopter detection mechanism comprises a camera device 6, the camera device 6 is used for acquiring a retina reflection image of an eyeball part, and the processor is used for preprocessing the reflection image and calculating diopter. Obtaining an eyeball image through the camera device 6 to calculate diopter belongs to the prior art, and is not described in detail herein. The diopter detection mechanism may also be a mechanism for detecting diopter of human eyes by using the principle that an image is clearly imaged on the retina by a lens, such as a fitting mechanism in a spectacle store, which is not limited herein.
The processor comprises a control module, a vision module and a diopter module, wherein the control module is in communication connection with the identity recognition mechanism, the printing mechanism, the memory, the vision module and the diopter module; the vision module is in communication connection with the first touch screen, the second touch screen, the distance measuring sensor and the loudspeaker respectively; the diopter module comprises an acquisition module, a picture processing module and a diopter calculation module, the acquisition module is in communication connection with the camera device, the acquisition module is used for acquiring a retinal reflection image shot by the camera device, the picture processing module is used for carrying out binarization, image feature extraction, skeleton extraction and other processing on the retinal reflection image acquired by the acquisition module, the annular image of an eyeball part is acquired, the diopter calculation module is used for calculating the diopter of the eyeball part to be detected according to the annular image of the eyeball part acquired by the image processing module, the diopter calculation process belongs to the prior art, specifically comprises the step of measuring the radius R of the annular image in the annular image of the eyeball part, and then the radius R of the annular image is brought into the diopter calculation formula of the annular image of the eyeball part: d =1/R-1/a, where D is diopter, R is the radius of the annular image, a is the distance of the eyeball site to the annular lens, and a is measured in advance and stored in the vision assessment program.
Specifically, the distance measuring sensor 3 is an infrared distance measuring sensor 3, and the infrared distance measuring sensor 3 is arranged above the second touch screen 5. The infrared distance measuring sensor 3 detects the distance between the obstacle by using the principle that the intensity of different reflections of the infrared signal in the distance to the obstacle is different. The infrared distance measuring sensor 3 is provided with a pair of infrared signal transmitting and receiving diodes, the transmitting tube transmits an infrared signal with a specific frequency, the receiving tube receives the infrared signal with the frequency, when the infrared detection direction meets an obstacle, the infrared signal is reflected back to be received by the receiving tube, after being processed, the infrared signal returns to the processor through the digital sensor interface, and the processor can determine the distance between the patient and the second touch screen 5 by using the infrared return signal.
Further, the vision detection mechanism further comprises a loudspeaker 7, the loudspeaker 7 is electrically connected with the processor, and when the infrared distance measurement sensor 3 detects that the patient is at a specified distance, the loudspeaker 7 sends out a prompt sound.
Further, the present embodiment further includes a patient identification mechanism, such as a two-dimensional code or a bar code printed on the visit bar for identifying the basic information of the patient, the patient identification mechanism obtains the basic information of the patient, such as the name, age, and the like of the patient by scanning the two-dimensional code or the bar code, and the patient identification mechanism is configured to identify the patient identification code and store the basic information of the patient carried by the patient identification code in the memory. Therefore, the patients are distinguished, different patients are distinguished, and information of different patients is stored in the memory. The scanning of the two-dimensional code or the bar code to obtain the basic information of the patient belongs to the prior art and is not described in detail herein.
The working process of the embodiment: the nurse holds the device by hand and adjusts the device into a diopter detection interface to carry out a diopter detection process, the diopter of the patient is measured, a printing button is clicked, and a diopter measurement result is directly printed out by the device; then the nurse adjusts the optical detection interface again, and the measured result hand is filled on the diopter result paper. The vision detection process specifically comprises the following steps: the nurse holds the device to a specified distance away from the face of a patient, for example, the specified distance is 20cm, the device can be designed to automatically fix the distance to a loudspeaker at the position of 20cm to display warning sound to inform that the device is at the position of 20cm when measuring eyesight, a first touch screen and a second touch screen are arranged on two sides of the device, eyesight test tables are simultaneously displayed on two sides facing the patient and the nurse, and the size of the eyesight test tables is reduced according to the scientific proportion according to a common paper test table; the patient informs the nurse that the nurse can see the row a little bit clearly, the nurse starts to ask the patient to indicate the direction of a certain point from the row, and continues to ask the patient to indicate the direction from the upper row and the lower row, so that the vision of the patient is measured; the first touch screen facing the medical staff can visually display the electronic visual chart, whether the answer of the patient is correct or not can be directly seen, the first touch screen and the second touch screen can turn pages up and down, the patient does not need to move, the fixed place is not needed, and the measurement can be carried out as long as the light is appropriate.
The invention has the advantages and positive effects that: the invention provides a handheld vision detection device which does not need to be moved by a patient, does not need to be fixed, can realize vision detection without influencing speech communication of doctors and patients as long as light is proper and indoor decibels can be ensured, and can improve the satisfaction degree of the patient as long as a nurse can keep up with the front of each patient.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a hand-held type eyesight detection device, includes the organism, its characterized in that: the diopter detection mechanism, the vision detection mechanism, the printing mechanism, the processor and the memory are also included; the diopter detection mechanism is arranged on the upper side of the body and used for detecting the diopter of the eyes of the patient; the vision detection mechanism is arranged on the lower side of the diopter detection mechanism and comprises a display screen assembly and a distance measurement sensor, the display screen assembly is used for displaying the electronic visual chart stored in the memory, and the distance measurement sensor is used for determining that the patient is away from the vision detection mechanism to a specified distance; the processor is respectively electrically connected with the diopter detection mechanism, the vision detection mechanism, the printing mechanism and the memory, the printing mechanism is used for printing diopter detection results, and the memory is used for storing patient information and an electronic visual chart.
2. The hand-held vision testing device of claim 1, wherein: the display screen subassembly is including locating first touch-sensitive screen and the second touch-sensitive screen of organism both sides, first touch-sensitive screen is towards medical personnel, the second touch-sensitive screen face to the patient, first touch-sensitive screen is used for supplying medical personnel to select detection diopter, detection eyesight, printing result and instruct in the electron eye chart, the second touch-sensitive screen is used for showing to the patient electron eye chart and medical personnel select the image in the electron eye chart.
3. The hand-held vision testing device of claim 1, wherein: the diopter detection mechanism comprises a camera device, the camera device is used for acquiring a retina reflection image of an eyeball part, and the processor is used for preprocessing the reflection image and calculating diopter.
4. The hand-held vision testing device of claim 2, wherein: the distance measuring sensor is an infrared distance measuring sensor, and the infrared distance measuring sensor is arranged above the second touch screen.
5. The hand-held vision testing device of claim 4, wherein: the vision detection mechanism further comprises a loudspeaker, the loudspeaker is electrically connected with the processor, and when the infrared distance measurement sensor detects that the patient is far away from the specified distance, the loudspeaker gives out prompt sound.
6. The hand-held vision testing device of claim 1, wherein: the patient identification mechanism is used for identifying the patient identification code and storing the basic information of the patient carried by the patient identification code into the memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549684.6A CN111803021A (en) | 2020-06-16 | 2020-06-16 | Handheld vision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549684.6A CN111803021A (en) | 2020-06-16 | 2020-06-16 | Handheld vision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111803021A true CN111803021A (en) | 2020-10-23 |
Family
ID=72846559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010549684.6A Pending CN111803021A (en) | 2020-06-16 | 2020-06-16 | Handheld vision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111803021A (en) |
-
2020
- 2020-06-16 CN CN202010549684.6A patent/CN111803021A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5094521A (en) | Apparatus for evaluating eye alignment | |
| US9439592B2 (en) | Eye tracking headset and system for neuropsychological testing including the detection of brain damage | |
| Clarke et al. | Using high frame rate CMOS sensors for three-dimensional eye tracking | |
| CN107184178A (en) | A kind of hand-held vision drop instrument of intelligent portable and optometry method | |
| CN111295129B (en) | Visual acuity examination | |
| CN104768447B (en) | For the equipment to eye imaging | |
| CN105433899A (en) | Pupil detection device | |
| CN109106333A (en) | A kind of self-service vision drop system of automatic adjustable and device | |
| CN113288044B (en) | Dynamic vision testing system and method | |
| WO2021071336A1 (en) | Gaze detection-based smart glasses display device | |
| US20210330186A1 (en) | Portable screening devices and systems for remote opthalmic diagnostics | |
| CN104146684A (en) | Blinder type dizziness detector | |
| CN115409774A (en) | Eye detection method based on deep learning and strabismus screening system | |
| CN109700423B (en) | Intelligent vision detection method and device capable of automatically sensing distance | |
| CN114931353A (en) | Convenient and fast contrast sensitivity detection system | |
| CN212698818U (en) | Self-service ophthalmology eyesight detection device | |
| CN113889268A (en) | Physical examination system and physical examination method for driver | |
| CN212698817U (en) | Handheld vision detection device | |
| CN110638524B (en) | Tumor puncture real-time simulation system based on VR glasses | |
| CN111803021A (en) | Handheld vision detection device | |
| JP7092481B2 (en) | Ophthalmic examination system | |
| CN111643047A (en) | Self-service ophthalmology eyesight detection device | |
| CN108742510B (en) | Oblique vision and horizontal torsion angle detector suitable for children with low age | |
| CN113081013A (en) | Method, device and system for scanning positioning sheet | |
| WO2017182856A1 (en) | A photo-refraction device for identifying and determining refractive disorders of an eye |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |