CN109497925A - Eye visual function evaluating apparatus and eye Evaluation of visual function - Google Patents
Eye visual function evaluating apparatus and eye Evaluation of visual function Download PDFInfo
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- CN109497925A CN109497925A CN201811633341.7A CN201811633341A CN109497925A CN 109497925 A CN109497925 A CN 109497925A CN 201811633341 A CN201811633341 A CN 201811633341A CN 109497925 A CN109497925 A CN 109497925A
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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
- A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types
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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
- A61B3/0016—Operational features thereof
- A61B3/0033—Operational features thereof characterised by user input arrangements
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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
- A61B3/0016—Operational features thereof
- A61B3/0041—Operational features thereof characterised by display arrangements
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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
- A61B3/06—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision
- A61B3/063—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision for testing light sensitivity, i.e. adaptation
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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
- A61B3/06—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision
- A61B3/066—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision for testing colour vision
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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
- A61B3/08—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
- A61B3/085—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus for testing strabismus
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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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
- A61B3/111—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring interpupillary distance
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Abstract
The present invention provides a kind of visual function evaluating apparatus and eye Evaluation of visual function.The device includes: display module, and there are two optical mirror slip and two display screens for tool；Operation module；And processing module, with image processor and central processing unit, wherein, central processing unit control image processor generates the selection operation picture for allowing user to select the test of eye visual function, display screen shows the picture, central processing unit controls image processor and generates two test pictures, and it controls two display screens and shows respectively, for the display amplification factor for cooperating different pictures, ensure measurement accuracy, the processing of multiplying power zoom is fixed to two pictures that display screen is shown in two optical mirror slips, after user completes test, central processing unit is evaluated to obtain Evaluation: Current information and be shown on a display screen according to the test operation of user to two of the user, these data are stored to memory space simultaneously, other data platforms can also be transferred to by wireless device (bluetooth etc.).
Description
Technical field
The invention belongs to eye optometry fields, and in particular to a kind of visual function evaluating apparatus and eye visual function evaluation side
Method.
Background technique
At home, the special vision function that Changchun Aopu Opto-electronic Technology Co., Ltd. and The Fourth Military Medical University develop jointly
Energy somascope, is made of optical system, mechanical system, automatically controlled, four major parts of computer.Be mainly used for contrast sensitivity,
The detection of the items visual performances such as quick dark adaptation, stereoscopic vision, heterophoria, distant vision, near vision, colour vision, is also applied for all kinds of
Driver's physical examination and hospital's inspection etc..Electronic system functional requirement: sighting target graphic hotsopt, display, power and energy, man-machine logical
News, record, storage, printing etc..But volume is 512mm × 502mm × 590mm, weight about 55kg.It is inconvenient, be not suitable for
Personal visual function detection and training, it is necessary to be completed under professional's auxiliary.
XK02 type autoelectrinic visual chart (electronic eyesight tester) collection that Wenzhou Xing Kang medical science and technology Co., Ltd produces
Close that a variety of common visual functions are detected on the achievable colour blindness anomalous trichromatism inspection of one, red green inspection is looked into, astigmatism inspection.The arrangement of system sighting target
As conventional eye chart, meet national standard.It can be with displacement, automatic range, automatic calculating standard vision value.Automatic report knot
Fruit, printing, data screening export, networking transport.
The patent of invention " a kind of Intelligent vision examination instrument " that Du Xuejing applies in October, 2011 be provided with hand-held remote controller and
Host machine part, tester detect in the distance of standard, by pressing the current sighting target side on hand-held remote controller and identified oneself
Emit infrared signal to corresponding directionkeys to host, the infrared data receiving unit in host machine part is received from hand-held remote control
The infrared signal issued in device is re-fed into comparator, can compare shown sighting target direction and infrared number in display unit
According to receiving unit the sighting target direction thought of received examinee it is whether consistent, data processing unit and by comparison result send to
Divide in user's testing result storage unit in tester's storage unit corresponding with the tester, tester may know that oneself is worked as
Preceding eyesight is assisted without other people when detection, can one self detection.System needs are tested in gauged distance, to survey
Examination environment space there are certain requirements.
The patent of invention " a kind of Portable vision tester " that BJ University of Aeronautics & Astronautics's in August, 2013 is announced, it is by small
Type single chip machine controlling circuit and detection accessory composition, the long 120mm of outer dimension × wide 60mm × high 150mm are used only for
Eye test.
A kind of patent of invention " Intelligent eyesight inspection dress of application section's cloud (Shanghai) Information Technology Co., Ltd in May, 2014
Set " it include remote control input mobile terminal and display service mobile terminal, using domestic general four direction " E " eyesight icon,
One different size of icon of display every time is shown in intelligent mobile and shows on service terminal (large screen cell phone or PAD),
Tester watches the screen that intelligent mobile shows service terminal attentively outside one meter of distance, passes through the intelligent mobile of tester in the hand
It is remotely controlled input terminal (common smart mobile phone) and carries out the touch operation of " up and down ", or said by acoustic control recognition unit
It instructs " up and down " out, intelligent mobile is remotely controlled input terminal and passes through the instruction after the transmission identification of Alljoyn communication unit to intelligence
In energy Information Mobile Service terminal, by " E " the eyesight icon direction shown in service terminal decision instruction and eyesight icon display unit
It is whether consistent, difficulty (diminution " E " eyesight figure is improved after continuously answering questions 3 icons by intelligence computation marking unit discriminating test person
Mark), tester reduces difficulty (expanding " E " eyesight icon) after continuously answering wrong 2 sighting targets, automatically true by intelligence computation marking unit
(raising difficulty encounters in the process continuously answers wrong 2 icons to the node that fixed test stops, or reduces difficulty and encounter in the process continuously
Answer questions 3 icons), the i.e. corresponding test of " E " the eyesight icon sizes finally answered questions on intelligent movable service terminal when Stop node
The eyesight value of person.Final testing result will be simultaneously displayed on the screen of intelligent movable service terminal and intelligent mobile remote control input terminal
On curtain.Function is the inspection of eyesight.
Patent of invention that Shanghai Huaqin Communication Technology Co., Ltd.'s in November, 2014 announces " handheld device tested eyesight and
Method ", which only describes eye test.
Patent of invention " the synthesis eyesight based on internet video terminal of Beijing Institute of Ophthalmology's application in 2 months 2015
Self-service detection method " it is related to the self-service detection system of synthesis eyesight based on internet video terminal, belong to portable medical technology neck
Domain.The system relies on various video terminals, is unable to satisfy portable demand.
Patent of invention " visual performance inspection method and the vision that Panasonic Electric Equipment Industrial Co., Ltd's in January, 2016 announces
Functional check control device " it is related to a kind of visual function examination device that multinomial visual performance inspection is carried out with a device.
Monocular vision inspection, monocular visual field inspection and stereoscopic vision can be achieved.
Patent of invention " the multiple views naked eye solid form inspection that General Hospital of the PLA Navy announces for 2 months 2016
Checking method and system " propose a kind of multiple views naked eye solid form and check system, the system be equipped with eye test screen, position with
Track module, control system.It is proposed a kind of in the viewing of different viewing distances, high-resolution multiple views naked eye solid form inspection method
Meets the needs of checking stereoscopic vision function in conjunction with corresponding stereopsis test computer software with system.The invention stresses
In hardware, does not provide specific inspection item and check precision.
Patent of invention that Yang Bin applies in November, 2016 " a kind of mobile phone that can be tested eyesight and carries out eyesight inspection using its
The method looked into " relate to the use of the technology that mobile phone is tested eyesight, it is only limitted to eye test.
LeEco is controlled interest, and " method for giving a test of one's eyesight is set for the patent of invention of application (Beijing) Co., Ltd in October, 2016
Standby and terminal " system is still based on traditional E mark display, and terminal uses computer monitor.
Current visual function test equipment more advanced and approved in the world is the STEREO OPTICAL company in the U.S.
6500 Vision Tester equipment of Optec, Titmus V4, Fim the Medical company of Honeywell company production is raw
The Visiolite master series of production.The whole design principle of such product is identical, will nearby using optical lens group
Object amplification images at a distance, so that substantially shortening sighting target arrives the distance between measured.Stereo Optical company, the U.S.
Product occupies advantage in measurement accuracy and the scope of application, and it is leading to occupy sale in fields such as large hospital, U.S. Militaries at present
Status.Honeywell Corp. USA's product appearance is succinct, and design is more humane, mainly occupies leadingly in family doctor field
Position.The Fim Medical Products of France are easy to operate, but the disadvantage is that film can not be replaced, mainly occupy European market.
6500 Vision Tester equipment of Optec, Titmus V4 and Visiolite master series and the function to development equipment
Energy and its index comparison are shown in Table 1.
1 function of table and its index contrast table
From the point of view of the status of international visual function detection device, some equipment have part visual function evaluating ability, still
It is complicated for operation, it is also necessary to replace different pictures；Some only have eye test, and function is also not very comprehensively.
Summary of the invention
To solve the above problems, the object of the present invention is to provide a kind of visual function evaluating apparatus and eye visual function to evaluate
Method, can carry out to two of user includes vision condition test, stereopsis is tested, heterophoria tests, compares susceptibility test
And multiple visual functions of colour vision test are tested and are based on multiple visual function tests and carry out the evaluation of eye visual function to the user,
And structure is simple, it is easy to operate.
Present invention employs following technical solutions:
<scheme one>
The present invention provides a kind of visual function evaluating apparatus, carry out including that vision condition is surveyed for two to user
Examination, stereopsis test, heterophoria test, test and be based on multiple than the multiple visual functions that susceptibility test and colour vision are tested
Eye visual function test to the user carry out the evaluation of eye visual function characterized by comprising rack, have rectangle shell and
Two lens barrels on the housing are symmetrical arranged along the length direction of the shell；Display module, there are two respectively correspond setting to tool
In two lens barrels optical mirror slip and two be separately positioned in two lens barrels and between optical mirror slip and shell
Display screen；Operation module is connected with the shell, for allowing user to carry out test operation；Communication module, is used for and mobile terminal
Or other data platforms carry out data communication；And processing module, be arranged in shell, have image processor and with display
Module, operation module, communication module and the central processing unit of image processor communication connection, wherein image processor generates
User is allowed to select the selection operation picture of eye visual function test, display screen shows that selection operation picture allows user's selection to pass through operation
Module selection needs eye visual function test to be tested, once user selects the test of eye visual function, central processing unit just regards the eye
Functional test is tested as current eye visual function, controls image processor according to corresponding point of the current eye visual function Self -adaptive
The first current test pictures that two display screens are shown and the second current test pictures, central processing unit are not allowed to control one of them
Display screen shows the first current test pictures, another display screen shows the second current test pictures, and two optical mirror slips are by two
The current test pictures of the first current test pictures and second that a display screen is shown respectively carry out zoom processing to work as first
Preceding test pictures and the second current test pictures are amplified to fixed multiple and respectively correspond and are imaged at two preset distances at the moment,
User is allowed to carry out corresponding selection judgement etc. according to the first current test pictures and the second current test pictures by operation module
Test operation, once user completes test operation, central processing unit is based on current eye visual function test according to the test of user
It operates and two of the user is evaluated to obtain Evaluation: Current information, communication module exports Evaluation: Current information.
Eye visual function evaluating apparatus provided by the invention, can also have the following features: wherein, and image processor is also raw
Picture is inputted at the identity information for allowing subscriber identity information to input, display screen shows that identity information input picture allows user to pass through behaviour
Make module and carry out identity information input operation, once identity information is entered, central processing unit just controls image processor generation
Selection operation picture, operation module are also used to that user is allowed to carry out identity information input operation.
Eye visual function evaluating apparatus provided by the invention, can also have the feature that, further includes: voice prompting mould
Block carries out identity information input input operation and test operation by operation module for voice prompting user.
Eye visual function evaluating apparatus provided by the invention, can also have the feature that, further includes: memory module is used
In to user identity information and Evaluation: Current information carry out corresponding storage.
Eye visual function evaluating apparatus provided by the invention, can also have the feature that, further includes: two CCD camera shootings
Module, is separately positioned in two lens barrels and positioned at display screen and shell between, for be based on eye movement tracer technique to two into
The evaluation of row heterophoria visual function.
Eye visual function evaluating apparatus provided by the invention, can also have the following features: wherein, and operation module is operation
Handle.
Eye visual function evaluating apparatus provided by the invention, can also have the following features: wherein, communication module USB
The wireless modules such as interface or bluetooth.
Eye visual function evaluating apparatus provided by the invention can also have the following features: wherein, and fixed multiple is 2-8
Times.Fixed multiple is set according to the picture of actual test project, guarantees measuring accuracy.
Eye visual function evaluating apparatus provided by the invention, can also have the feature that, further includes: interpupillary distance detects mould
Block, for the interpupillary distance when lens barrel is placed on two at the moment between test two, wherein be located at the position between two lens barrels on shell
The place of setting is provided with graduated scale, for testing the distance between two lens barrels, two lens barrels can along shell length direction it is opposite
Sliding is carried out in the shell to make the distance between two lens barrels be equal to interpupillary distance.
<scheme two>
The eye visual function evaluation side of the present invention also provides a kind of eye visual function evaluating apparatus based on claim 1-9
Method, which comprises the following steps: step 1, display identity information input picture allow user to carry out by operation module
Identity information input operation；Step 2 obtains the current interpupillary distance between two of user；Step 3 is passed through based on current interpupillary distance
The distance between two lens barrels are adjusted in voice prompting and picture prompt user；Step 4 generates selection operation picture and allows
User selects the test of eye visual function；Step 5 tests the eye visual function selected test as current eye visual function, control figure
As processor is according to the corresponding first current test pictures of the current eye visual function Self -adaptive and the second current test pictures；Step
Rapid six, show the first current test pictures and the second current test pictures；And step 7, by the first of display the current test picture
Face and the second current test pictures, which carry out zoom processing, allows user according to voice and/or picture prompt based on the first current test picture
Face and the second current test pictures carry out test operation；Step 8 is grasped based on the test of current eye visual function according to the test of user
Two of the user of opposing are evaluated to obtain Evaluation: Current information；Step 9, to the identity information and Evaluation: Current of user
Information carries out corresponding storage, wherein in step 4, user selects to carry out vision condition test and further selects to be long sight
Or when myopia test, in step 5, the first current test pictures are the sighting target in standard C visual chart, the second current test
Picture is black picture, and in step 7, test operation is to judge the sighting target direction of sighting target, in step 4, is used
When family selection carries out stereopsis test, in step 5, the first current test pictures and the second current test pictures are two and deposit
Picture is tested in the stereopsis of level difference, in step 7, test operation is to judge whether to perceive Stereoacuity, when in step
In rapid four, when user selects to carry out heterophoria test, in step 5, the first current test pictures and the second current test pictures
Respectively green cross scale and red dot, in step 7, test operation is to be judged in red dot and Cross ruler according to voice prompting
The relative position of the heart, in step 4, when user's selection compares susceptibility test, in step 5, the first current survey
Examination picture and the second current test pictures are the contrast sensitivity detection table comprising contrast sensitivity detection sighting target, in step 7
In, test operation is to detect sighting target to contrast sensitivity according to voice prompting to carry out judgement operation, in step 4, Yong Huxuan
When selecting progress colour vision test, in step 5, the first current test pictures and the second current test pictures are to be with 17 color ranges
The color lump matrix that gradient is established, in step 7, test operation is to select color lump according to voice prompting, in step 4, is used
When family selection carries out the test of stroboscopic separating capacity, in step 5, the first current test pictures and the second current test pictures are equal
For the bright spot of different flicker frequencies, in step 7, user confirms that the first current test pictures and second are worked as according to voice prompting
With the presence or absence of flashing in preceding test pictures.
The action and effect of invention
The eye visual function evaluating apparatus and eye Evaluation of visual function provided according to the present invention, because having display mould
Block, operation module and processing module, there are two optical mirror slips and two to be separately positioned on two display screens for display module tool；
Operation module can allow user to carry out test operation；Processing module have image processor and with display module, operation module,
Communication module and the central processing unit of image processor communication connection, image processor generation allow user that eye visual function is selected to survey
The selection operation picture of examination, once user selects the test of eye visual function, the test of this visual function is just used as by central processing unit works as
The test of preceding eye visual function, control image processor allow two display screens according to the current eye visual function Self -adaptive is corresponding respectively
The the first current test pictures and the second current test pictures of display, central processing unit control one of display screen and show first
Current test pictures, another display screen show the second current test pictures, and two optical mirror slips show two display screens respectively
The current test pictures of first shown and the second current test pictures carry out zoom processing, once user completes test operation, center
Processor just evaluates two of the user according to the test operation of user, so, the present invention can be according to the reality of user
Border demand selects the test of needs assessment, and easy to operate, and user can be according to oneself relevant test of completion be prompted, together
When, the present invention is after user completes test, additionally it is possible to be evaluated according to the test operation of user eye visual function, and allow user
Evaluation result is known in time.
Moreover, rack has rectangle shell and is symmetricly set on along the length direction of the shell because having rack
Two lens barrels on the shell, display module, operation module and processing module are arranged in the rack, and structure is simple, body
Product is small, light-weight, easy to carry.
Detailed description of the invention
Fig. 1 is the structural block diagram of eye visual function evaluating apparatus in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of eye visual function evaluating apparatus in the embodiment of the present invention；
Fig. 3 is the schematic diagram of light channel structure in the embodiment of the present invention；And
Fig. 4 is the step flow chart of the eye visual function evaluation of eye visual function evaluating apparatus in the embodiment of the present invention.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Example combination attached drawing is applied to be specifically addressed the present invention.
Fig. 1 is the structural block diagram of eye visual function evaluating apparatus in the embodiment of the present invention；Fig. 2 is in the embodiment of the present invention
The structural schematic diagram of eye visual function evaluating apparatus.
As depicted in figs. 1 and 2, the eye visual function evaluating apparatus 100 in the present embodiment is used to wrap two of user
Include vision condition test, stereopsis test, heterophoria test, the multinomial eye visual function survey tested than susceptibility test and colour vision
Try and be based on multinomial eye visual function test that the evaluation of eye visual function, including rack 10, voice cue module 20, pupil are carried out to the user
Away from detection module 30, processing module 40, display module 50,60, two CCD photographing modules 70 of operation module, memory module 80, lead to
Believe module 90 and power management module 101.
Rack 10 has rectangle shell 11 and is symmetricly set on the shell 11 along the length direction of the shell 11
Two lens barrels 12.Two lens barrels 12 can be slided on the shell 11 along the length direction of shell 11.Two lens barrels 12 it
Between be provided with graduated scale (not shown), for testing the distance between two lens barrels 12.
Voice cue module 20 is for carrying out voice prompting.
Interpupillary distance detection module 30 is for the pupil when two lens barrels 12 respectively correspond and are placed on two at the moment between test two
Away from.The distance between two lens barrels 12 of the 20 voice broadcast interpupillary distance of voice cue module to allow user to be measured according to graduated scale hand
Two lens barrels 12 of dynamic sliding make the distance of two lens barrels 12 be equal to interpupillary distance.
Processing module 40 is arranged in shell 11, has image processor 41 and central processing unit 42.
Image processor 41 is used to generate the identity information input picture for allowing subscriber identity information to input, user is allowed to select eye
The selection operation picture of visual function test and the first current test pictures for allowing user to be tested and the second current test picture
Face.
Eye visual function test include vision condition test, stereopsis test, heterophoria test, than susceptibility test and color
Feel test.
When user selects to carry out vision condition test, the first current test pictures are the sighting target in standard C visual chart, the
Two current test pictures are black picture, and 20 voice prompting user of voice cue module judges the sighting target direction of sighting target.
When user selects to carry out stereopsis test, the first current test pictures and the second current test pictures are two and deposit
Picture is tested in the stereopsis of level difference, 20 voice prompting user of voice cue module judges whether to perceive Stereoacuity.
When user selects to carry out heterophoria test, the first current test pictures and the second current test pictures are respectively green
Color cross scale and red dot, 20 voice prompting user of voice cue module judge the relative position of red dot Yu Cross ruler center.
When user's selection compares susceptibility test, the first current test pictures and the second current test pictures are
Contrast sensitivity comprising contrast sensitivity detection sighting target detects table, and 20 voice prompting user of voice cue module is sensitive to comparison
Degree detection sighting target carries out judgement operation.
When user selects to carry out colour vision test, the first current test pictures and the second current test pictures are with 17 colors
Rank is the color lump matrix that gradient is established, and 20 voice prompting user of voice cue module selects color lump.
When user selects to carry out the test of stroboscopic separating capacity, the first current test pictures and the second current test pictures are equal
For the bright spot of different flicker frequencies, 20 voice prompting user of voice cue module confirms the first current test pictures and second currently
With the presence or absence of flashing in test pictures.
Central processing unit 42 and voice cue module 20, interpupillary distance detection module 30, image processor 41, display module 50,
60, two CCD photographing modules 70 of operation module, 101 communication link of memory module 80, communication module 90 and power management module
It connects, the work for each composition part to eye visual function evaluating apparatus 100 controls.
Display module 50 is used to above-mentioned picture being imaged on two at the moment, and there are two display screen 51 and two optical mirror slips for tool
52。
Two display screens 51 are high-resolution OLED screen, which has high-resolution, and colour gamut is wide, energy
Meet the display capabilities of all pseudo-isochromatic diagram pieces, within the scope of gamut range 0-255, color resolution reaches 5.Two display screens 51
It is separately positioned in two lens barrels 12, for being shown to above-mentioned picture.Identity information input is generated in image processor 41
When picture, this shows that identity information inputs picture for two display screens 51, and 20 voice prompting identity information of voice cue module is defeated
Enter, when image processor 41 generates selection operation picture, this show identity information input picture for two display screens 51, is scheming
As the first current test pictures of generation of processor 41 and the second current test pictures, one of display of display screen 51 first is current
Test pictures, another display screen 51 show the second current test pictures, meanwhile, voice cue module 20 carries out testing behaviour accordingly
It prompts.
Two optical mirror slips 52 are separately positioned on the outside in two lens barrels 12 and being located at display screen 51, for aobvious by two
The current test pictures row zoom processing of the first current test pictures and second that display screen 51 is shown is to currently test picture for first
Face and the second current test pictures are amplified to fixed multiple.The fixation multiple is 2-8 times, can be incited somebody to action by manually adjusting optical mirror slip
The optical mirror slip is adjusted to a fixed multiple value.The multiple of adjusting is designed as fixing, so as to by the image of amplification factor and display with
And measuring accuracy carries out Precise control.
Operation module 60 is connected with shell 11, for allowing user when display module 50 shows identity information input picture
Carry out identity information input operation；The first test pictures are shown in display module 50 and when the second test pictures, with allowing user
Corresponding test operation is carried out according to the voice prompting of the prompt of the picture of display module 50 and voice cue module 20.In this reality
Apply in example, operation module 60 is operation handle, be provided in the operation handle up and down S1-4 directionkeys, acknowledgement key and
Cancel key.Central processing unit 42 surveys the test of this visual function as current eye visual function after user selects eye visual function to test
Examination, control image processor 41 is according to the current test pictures of current eye visual function Self -adaptive first and the second current test picture
Face, and control one of display screen 51 and show the first current test pictures, the currently test of another display screen 51 display second
Picture further controls the first current test pictures and second that two optical mirror slips 52 show two display screens 51 respectively and works as
Preceding test pictures, which carry out zoom processing, allows user by operation module 60 according to the first current test pictures and the second current test
Picture carries out the test operations such as corresponding selection judgement, and is tested according to the test operation of user based on current eye visual function to this
Two of user are evaluated to obtain Evaluation: Current information.
Fig. 3 is the schematic diagram of light channel structure in the embodiment of the present invention.
As shown in figure 3, two CCD photographing modules 70 are separately positioned in two lens barrels 12 and are located at display screen 51 and shell
Between 11, for being based on eye movement tracer technique to two progress heterophoria visual function evaluations.CCD photographing module 70 has CCD phase
Machine 71.
Memory module 80 be ROM memory, for user identity information and Evaluation: Current information carry out correspondence deposit
Storage.The storage mediums such as micro SD card can also be extended to by extending card slot.
Communication module 90 is used to carry out data communication with mobile terminal, which can be USB interface and bluetooth etc.
Communication.In the present embodiment, the USB interface of communication module can pass through wired mode and mobile terminal (external number
According to platform or server etc.) carry out data communication, be also used to charge, can also by the communications such as bluetooth with movement
Terminal (external data platform or server etc.) carries out data communication.
101 pieces of power management module for being voice cue module 20, interpupillary distance detection module 30, processing module 40, display
Module 50,60, two CCD photographing modules 70 of operation module, memory module 80 and the power supply of communication module 90 and electricity monitoring.?
In the present embodiment, power management module 101 is connected with 5-12V battery supply, can also directly be connected with external power supply by USB
Tap into row work.
In the present embodiment, when user needs to carry out the evaluation of eye visual function and wears the eye visual function evaluation of the present embodiment
When device 100 (two lens barrels is allowed to be located at two at the moment), identity information input is carried out by operation module 60 first, then
Selection eye visual function is tested and is tested accordingly according to voice cue module 30.Below in conjunction with attached drawing in the above process
The specific workflow of eye visual function evaluating apparatus 100 is illustrated.
Fig. 4 is the step flow chart of the eye visual function evaluation of eye visual function evaluating apparatus in the embodiment of the present invention.
As shown in figure 4, in the present embodiment, the motion flow S1 packet of the eye visual function evaluation of visual function evaluating apparatus 100
Containing following steps:
Step S1-1, display module 50 show that identity information input picture allows user to carry out identity information by operation module
Input operation, subsequently into step S1-2.
Step S1-2, after user completes identity information input operation, interpupillary distance detection module 30 obtain two of user it
Between current interpupillary distance, subsequently into step S1-3.
Step S1-3, voice cue module 20 are based on current interpupillary distance and prompt user to two mirrors by voice prompting and picture
The distance between cylinder 12 is adjusted, subsequently into step S1-4.
Step S1-4, after user completes to adjust operation, image processor 41, which generates selection operation picture, allows user to select
Eye visual function test, subsequently into step S1-5.
Step S1-5, user complete selection operation after, central processing unit 42 by the eye visual function selected test as
Current eye visual function test, control image processor 41 is according to the current currently test of eye visual function Self -adaptive corresponding first
Picture and the second current test pictures, subsequently into step S1-6.
Step S1-6, two display screens 51 show the first current test pictures and the second current test pictures respectively, then
Enter step S1-7.
Step S1-7, two optical mirror slips 52 carry out the first of display the current test pictures and the second current test pictures
Zoom processing allows user to be carried out according to voice and/or picture prompt based on the first current test pictures and the second current test pictures
Test operation, subsequently into step S1-8.
Step S1-8, central processing unit 42 are tested according to the test operation of user based on current eye visual function to the user's
It is evaluated for two to obtain Evaluation: Current information, subsequently into step S1-9.
Step S1-9, memory module 80 carry out corresponding storage to the identity information and Evaluation: Current information of user, then
Into end state.
In above-mentioned steps, in step S1-4, user selects to carry out vision condition test and further selects to be remote
When depending on still myopia test, in step S1-5, the first current test pictures are the sighting target in standard C visual chart, and second is current
Test pictures are black picture, and in step S1-7, test operation is to judge the sighting target direction of sighting target.Used in test
Sighting target is classified according to standard, after user completes to test corresponding to the same level, can be entered next stage sighting target and be tested, until knot
Beam just completes the vision condition test to one eye eyeball, and then the first current test pictures become the view in standard C visual chart
Black picture is marked, the second current test pictures become the sighting target in standard C visual chart, to carry out strength feelings to another eyes
Condition test.
In step S1-4, when user selects to carry out stereopsis test, in step S1-5, the first current test pictures
Being two with the second current test pictures, there are the stereopsis of level difference to test picture, and in step S1-7, test operation is
Judge whether to perceive Stereoacuity.
Specific test philosophy are as follows: there are level differences for two width pictures, and according to binocular single vision principle, picture can be by visual centre
The depth perception of certain Stereoacuity is perceived and generates, the stereoscopic vision of user is if normal it can be observed that two width pictures
A kind of stereoscopic effect is presented in eye.This Stereoacuity can be perceived, replaces the perspective view of higher Snazzi degree to duplicate measurements；Such as
Fruit can not discover the three-dimensional shape of picture, then this Stereoacuity is not achieved in user's stereoscopic vision, replace the vertical of bigger Snazzi degree
Body figure pair, duplicate measurements.The Stereoacuity of final confirmation testee.
In step S1-4, when user selects to carry out heterophoria test, in step S1-5, the first current test pictures
It is respectively green cross scale and red dot with the second current test pictures, in step S1-7, test operation is to be mentioned according to voice
Show the relative position for judging red dot Yu Cross ruler center.Concrete principle are as follows: in the common visual field of binocular of user, if Cross ruler
Center and red dot are not overlapped, and are exactly that examinee has heterophoria.And user can be by corresponding to red dot and Cross ruler center
Position judges itself strabismus direction.If measured suffers from heterophoria, user is allowed to pass through the water of the mobile red dot of operation module 60
Gentle upright position, until user sees that red dot is in the central location of Cross ruler.At this point, the central processing of the present embodiment
Device 42 will record the mobile distance of lower red dot, calculate corresponding prism degree.The eyes that can also be tracked according to CCD camera are transported
Dynamic angle, the information such as orientation directly calculate heterophoric prism degree, and two ways complements one another, and obtains more accurately measuring knot
Fruit.
In step S1-4, when user's selection compares susceptibility test, in step S1-5, the first current test
Picture and the second current test pictures are the contrast sensitivity detection table comprising contrast sensitivity detection sighting target, in step S1-7
In, test operation is to detect sighting target to contrast sensitivity according to voice prompting to carry out judgement operation.Concrete principle are as follows: in detection table
It is that susceptibility detects sighting target as a comparison for the grating that form with black bar grid and white spaces, sighting target is in strict accordance with contrast sensitivity
The design of threshold value standard.Sighting target is divided into a left side, right, upper three directions and blank sighting target, user according to the first current test pictures and
The sighting target shown in second current test pictures is judged, since spatial frequency has corresponding contrast threshold, if
It is more sensitive that user can tell the more low then vision system of threshold value.
In step S1-4, user select carry out colour vision test when, in step S1-5, the first current test pictures and
Second current test pictures are the color lump matrix established using 17 color ranges as gradient, in step S1-7, according to test operation
Voice prompting selects color lump, has answered questions and has just increased difficulty step by step.
In step S1-4, when user selects to carry out the test of stroboscopic separating capacity, in step S1-5, the first current survey
Examination picture and the second current test pictures are the bright spot of different flicker frequencies, and in step S1-7, user is according to voice prompting
Confirm in the first current test pictures and the second current test pictures with the presence or absence of flashing.Detailed process are as follows: the logical operation mould of user
Block 60 determines whether to distinguish flashing, and corresponding position is used through the click confirmation of operation module 60 on display screen 51, is passed through
It improves flicker frequency and increases identification difficulty, determine the stroboscopic separating capacity of user.
The action and effect of embodiment
According to eye visual function evaluating apparatus provided in this embodiment and eye Evaluation of visual function, because having display mould
Block, operation module and processing module, there are two optical mirror slips and two to be separately positioned on two display screens for display module tool；
Operation module can allow user to carry out test operation；Processing module have image processor and with display module, operation module,
Communication module and the central processing unit of image processor communication connection, image processor generation allow user that eye visual function is selected to survey
The selection operation picture of examination, once user selects the test of eye visual function, the test of this visual function is just used as by central processing unit works as
The test of preceding eye visual function, control image processor allow two display screens according to the current eye visual function Self -adaptive is corresponding respectively
The the first current test pictures and the second current test pictures of display, central processing unit control one of display screen and show first
Current test pictures, another display screen show the second current test pictures, and two optical mirror slips show two display screens respectively
The current test pictures of first shown and the second current test pictures carry out zoom processing, once user completes test operation, center
Processor just evaluates two of the user according to the test operation of user, so, the present embodiment can be according to user's
Actual demand selects the test of needs assessment, and easy to operate, and user can be according to oneself relevant test of completion be prompted, together
When, the present embodiment is after user completes test, additionally it is possible to be evaluated according to the test operation of user eye visual function, and allow use
Evaluation result is known in time in family.
Moreover, rack has rectangle shell and is symmetricly set on along the length direction of the shell because having rack
Two lens barrels on the shell, display module, operation module and processing module are arranged in the rack, and structure is simple, body
Product is small, light-weight, easy to carry.
In addition, because image processor also generates the identity information input picture for allowing subscriber identity information to input, display screen
Display identity information input picture allows user to carry out identity information input operation by operation module, so the present embodiment can also
The identity information of user is recorded.
In addition, because have voice cue module, the voice cue module can voice prompting user pass through operation module
Identity information input input operation and test operation are carried out, allows user according to prompt complete independently operation, so that behaviour
Work is simpler, greatly improves the sense easy to use of user.
In addition, the memory module being capable of identity information and Evaluation: Current information to user because having memory module
Corresponding storage is carried out, so that after multiple users evaluate eye visual function using the eye visual function evaluating apparatus of the present embodiment, it should
Multiple users can be checked according to respective identity information as a result, easy to operate.
Above-described embodiment is only used for the specific embodiment illustrated the present invention, but the present invention is not limited to the above embodiments
Described range, those of ordinary skill in the art do not need what creative work can be made within the scope of the appended claims
Various deformations or amendments still belong to the protection scope of this patent.
Claims (10)
1. a kind of visual function evaluating apparatus carries out including that vision condition is tested, stereopsis is tested, hidden for two to user
Strabismus test is tested than the multiple visual functions that susceptibility test and colour vision are tested and is based on multiple eye visual function tests
The evaluation of eye visual function is carried out to the user characterized by comprising
Rack is symmetrical arranged two lens barrels on the housing with rectangle shell and along the length direction of the shell；
Display module, there are two respectively correspond the optical mirror slip being arranged in two lens barrels and two are separately positioned on to tool
In two lens barrels and the display screen between the optical mirror slip and the shell；
Operation module is connected with the shell, for allowing the user to carry out test operation；
Communication module, for carrying out data communication with mobile terminal or other data platforms；And
Processing module, be arranged in the shell, have image processor and with the display module, the operation module,
The communication module and the central processing unit of described image processor communication connection,
Wherein, described image processor generates the selection operation picture for allowing the user to select the eye visual function test,
The display screen shows that the selection operation picture allows user's selection to need to test by operation module selection
The eye visual function test,
Once the user selects the eye visual function test, the central processing unit is just by the test of this visual function as current
Eye visual function test, current eye visual function Self -adaptive is corresponding is allowed described in two respectively according to this for control described image processor
The the first current test pictures and the second current test pictures that display screen is shown,
The central processing unit controls one of them described display screen and shows the described first current test pictures, another is described aobvious
Display screen shows the described second current test pictures,
The described first current test pictures and described second that two optical mirror slips show two display screens respectively
Current test pictures carry out zoom processing to amplify the described first current test pictures and the second current test pictures
It is imaged at described two preset distances at the moment to fixing multiple and respectively corresponding, the user is allowed to pass through the operation module root
The test operations such as corresponding selection judgement are carried out according to the described first current test pictures and the second current test pictures,
Once the user completes test operation, the central processing unit is based on the current eye visual function test according to
The test operation of user is evaluated to obtain Evaluation: Current information to described two of the user,
The communication module exports the Evaluation: Current information.
2. according to claim 1 visual function evaluating apparatus, it is characterised in that:
Wherein, described image processor, which also generates, allows the identity information of the subscriber identity information input to input picture,
The display screen shows that the identity information input picture allows the user to carry out identity information by the operation module
Input operation,
Once the identity information is entered, the central processing unit just controls described image processor and generates the selection operation
Picture,
The operation module is also used to that the user is allowed to carry out identity information input operation.
3. according to claim 2 visual function evaluating apparatus, which is characterized in that further include:
Voice cue module carries out the identity information input input operation by the operation module for voice prompting user
And the test operation.
4. according to claim 2 visual function evaluating apparatus, which is characterized in that further include:
Memory module, for the user the identity information and the Evaluation: Current information carry out corresponding storage.
5. according to claim 1 visual function evaluating apparatus, which is characterized in that further include:
Two CCD photographing modules are separately positioned in two lens barrels and between the display screen and the shell, use
In based on eye movement tracer technique to two progress heterophoria visual function evaluation.
6. according to claim 1 visual function evaluating apparatus, it is characterised in that:
Wherein, the operation module is operation handle.
7. according to claim 1 visual function evaluating apparatus, it is characterised in that:
Wherein, the communication module is USB interface or bluetooth.
8. according to claim 1 visual function evaluating apparatus, it is characterised in that:
Wherein, the fixed multiple is 2-8 times, which sets according to the picture of actual test project, guarantees test essence
Degree.
9. according to claim 1 visual function evaluating apparatus, which is characterized in that further include:
Interpupillary distance detection module, for testing the interpupillary distance between described two when the lens barrel is placed on described two at the moment,
Wherein, it is located on the shell at the position between two lens barrels and is provided with graduated scale, for tests described in two
The distance between lens barrel,
Two lens barrels can carry out sliding relative to the shell along the length direction of the shell to make two mirrors
The distance between cylinder is equal to the interpupillary distance.
10. a kind of eye Evaluation of visual function based on eye visual function evaluating apparatus described in claim 1-9, feature exist
In, comprising the following steps:
Step 1 shows that the identity information input picture allows the user to carry out identity information input by the operation module
Operation；
Step 2 obtains the current interpupillary distance between described two of the user；
Step 3 prompts the user between two lens barrels based on the current interpupillary distance by voice prompting and picture
Distance is adjusted；
Step 4 generates the selection operation picture and user is allowed to select the eye visual function test；
The eye visual function selected test is tested as current eye visual function, controls described image processor by step 5
According to the current corresponding first current test pictures of eye visual function Self -adaptive and the second current test pictures；
Step 6 shows the first current test pictures and the second current test pictures；And
Described first current test pictures of display and the second current test pictures are carried out zoom processing and allow institute by step 7
It states user and is carried out according to voice and/or picture prompt based on the described first current test pictures and the second current test pictures
Test operation；
Step 8, based on the current eye visual function test according to the test operation of the user to described the two of the user
Eye is evaluated to obtain Evaluation: Current information；
Step 9, the identity information and the Evaluation: Current information to the user carry out corresponding storage,
Wherein, in the step 4, the user selects to carry out the vision condition test and further selects to be long sight
Or when myopia test, in the step 5, the first current test pictures are the sighting target in standard C visual chart, described
Second current test pictures are black picture, and in the step 7, the test operation is the sighting target direction to the sighting target
Judged,
In the step 4, when the user selects to carry out stereopsis test, in the step 5, described first
Current test pictures and the second current test pictures are two there are the stereopsis of level difference to test picture, in the step
In rapid seven, the test operation is to judge whether to perceive Stereoacuity,
In the step 4, when the user selects to carry out heterophoria test, in the step 5, described first
Current test pictures and the second current test pictures are respectively green cross scale and red dot, in the step 7, institute
Stating test operation is the relative position that the red dot Yu the Cross ruler center are judged according to the voice prompting,
It is described in the step 5 when user selects to carry out contrast sensitivity test in the step 4
First current test pictures and the second current test pictures are the contrast sensitivity comprising contrast sensitivity detection sighting target
Table is detected, in the step 7, the test operation is to detect sighting target to the contrast sensitivity according to the voice prompting
Judgement operation is carried out,
In the step 4, when the user selects to carry out colour vision test, in the step 5, described first works as
Preceding test pictures and the second current test pictures are the color lump matrix established using 17 color ranges as gradient, in the step 7
In, the test operation is to select color lump according to the voice prompting,
In the step 4, when the user selects to carry out stroboscopic separating capacity test, in the step 5, institute
It states the first current test pictures and the second current test pictures is the bright spot of different flicker frequencies, in the step 7
In, the user confirms in the first current test pictures and the second current test pictures according to the voice prompting is
It is no to there is flashing.
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| CN201811633341.7A CN109497925A (en) | 2018-12-29 | 2018-12-29 | Eye visual function evaluating apparatus and eye Evaluation of visual function |
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| CN201811633341.7A CN109497925A (en) | 2018-12-29 | 2018-12-29 | Eye visual function evaluating apparatus and eye Evaluation of visual function |
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