CN109497927A - A kind of vision testing method and eyesight detection device - Google Patents
A kind of vision testing method and eyesight detection device Download PDFInfo
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- CN109497927A CN109497927A CN201811616051.1A CN201811616051A CN109497927A CN 109497927 A CN109497927 A CN 109497927A CN 201811616051 A CN201811616051 A CN 201811616051A CN 109497927 A CN109497927 A CN 109497927A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
- A61B3/0325—Devices for presenting test symbols or characters, e.g. test chart projectors provided with red and green targets
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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
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
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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
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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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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- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
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- Ophthalmology & Optometry (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Eye Examination Apparatus (AREA)
Abstract
The invention discloses a kind of vision testing methods, which comprises the eyesight detection device adjusts the positional relationship with patient, and locks to target position；The eyesight detection device switches the first concave-sphere on first gear disk using gear transmission technology, carries out a myopia degree detection to the patient, and record the first numerical value of the myopia degree detection；The eyesight detection device switches the second concave-sphere on second gear disk using gear transmission technology, carries out secondary myopia degree inspection to the patient, and record the second value of the secondary myopia degree inspection；The eyesight detection device utilizes Digital Signal Processing, carries out the operation of computerized algorithm to first numerical value and the second value, and export the result of final myopia degree.Beneficial effects of the present invention are clearly: detection is stablized, accuracy and precision are high.
Description
Technical field
The present invention relates to intelligent medical treatment technical field more particularly to a kind of vision testing method and eyesight detection devices.
Background technique
With the high speed development of social economy, rhythm of life is accelerated, people's excess eye-using, cause eyesight therewith substantially under
Drop, such as myopia, long sight, astigmatism, especially myopia problem.It is that patient is badly in need of or medical other than preventing and alleviating,
In it is essential that carry out optometry.Optometry mode mainly include main feel inserted sheet method, rafractive, he feel inspection shadow, eyes tune
Save balance, the inspection of eye position, binocular vision, adjusting situation, diopter situation and consolidation function etc..
Currently, our the optometry levels of domestic hospitals are irregular, mostly conventional optometry is many times difficult to make correct
And accurately judge.Therefore, it is necessary to solved the above problems by the higher near-sighted optometry method of a kind of accuracy and precision,
To meet the needs of current social.
Summary of the invention
In order to solve, general eyesight detection technique cannot achieve accuracy to the present invention in the prior art and precision is all higher
The problem of myopia detection, provide a kind of vision testing method and eyesight detection device.
To achieve the goals above, the present invention takes following technical proposals: a kind of vision testing method, the method application
In an at least eyesight detection device, which comprises the eyesight detection device adjusts the positional relationship with patient, and to mesh
Cursor position is locked；The eyesight detection device switches the first concave-sphere on first gear disk using gear transmission technology,
Myopia degree detection is carried out to the patient, and records the first numerical value of the myopia degree detection；The eyesight
Detection device switches the second concave-sphere on second gear disk using gear transmission technology, carries out secondary myopia degree to the patient
Number checks, and records the second value of the secondary myopia degree inspection；The eyesight detection device utilizes Digital Signal Processing
Technology carries out the operation of computerized algorithm to first numerical value and the second value, and exports the knot of final myopia degree
Fruit.
According to an embodiment of the present invention, the positional relationship with patient is adjusted in the eyesight detection device, and to target
When position is locked, the method also includes: the eyesight detection device is passed using lead screw transmission technology or higher pair mechanism
Dynamic technology, adjusts the relative positional relationship with patient's eyeball.
According to an embodiment of the present invention, the positional relationship with patient is adjusted in the eyesight detection device, and to target
When position is locked, the method also includes: the eyesight detection device utilizes Worm Wheel System technology and eccentric wheel
Drive technology adjusts the relative positional relationship with patient's eyeball.
According to an embodiment of the present invention, the positional relationship with patient is adjusted in the eyesight detection device, and to target
After position is locked, the method also includes: the eyesight detection device switches third tooth using gear transmission technology
Auxiliary lens on wheel disc carry out auxiliary detection to patient's eyeball.
According to an embodiment of the present invention, the positional relationship with patient is adjusted in the eyesight detection device, and to target
Before position is locked, the method also includes: the eyesight detection device utilizes wireless communication technique and long-range control skill
Art controls the movement of the eyesight detection device itself.
According to an embodiment of the present invention, Digital Signal Processing is utilized in the eyesight detection device, to described the
One numerical value and the second value carry out the operation of computerized algorithm, and after exporting the result of final myopia degree, the side
Method further include: the eyesight detection device utilizes Digital Signal Processing and system reset technology, carries out to itself function extensive
The operation of original state is arrived again.
According to the second aspect of the invention, a kind of eyesight detection device is also provided, the eyesight detection device includes: position
Unit is adjusted, for adjusting and the positional relationship of patient, and target position is locked；Gear transmission unit, for utilizing
Gear transmission technology switches the first concave-sphere on first gear disk, carries out a myopia degree detection to the patient, and remember
Record the first numerical value of the myopia degree detection；The gear transmission unit is also used to cut using gear transmission technology
The second concave-sphere on second gear disk is changed, secondary myopia degree inspection is carried out to the patient, and record the secondary myopia degree
The second value that number checks；Digital processing element, for utilizing Digital Signal Processing, to first numerical value and described the
Two numerical value carry out the operation of computerized algorithm, and export the result of final myopia degree.
According to an embodiment of the present invention, the position regulating unit, be also used to the eyesight detection device adjust with
The positional relationship of patient, and when being locked to target position, lead screw transmission technology or higher pair mechanism drive technology are utilized, is adjusted
The relative positional relationship of section and patient's eyeball；The position regulating unit, be also used to using Worm Wheel System technology and
Eccentric wheel drive technology adjusts the relative positional relationship with patient's eyeball.
According to an embodiment of the present invention, the equipment further includes auxiliary unit；The auxiliary unit, in the view
Power detection device adjust with the positional relationship of patient, and after being locked to target position, cut using gear transmission technology
The auxiliary lens on third toothed disc are changed, auxiliary detection is carried out to patient's eyeball.
According to an embodiment of the present invention, the equipment further includes interface control unit；The interface control unit, is used for
The eyesight detection device adjust with the positional relationship of patient, and before locking to target position, utilize wireless communication
Technology and remote control technology control the movement of the eyesight detection device itself.
The present invention carries out near-sighted detection to patient by above-mentioned vision testing method and eyesight detection device, provides a kind of inspection
Survey stable, accuracy and vision testing method with high accuracy and eyesight detection device.
It is to be appreciated that the teachings of the present invention does not need to realize whole beneficial effects recited above, but it is specific
The specific technical effect that may be implemented of technical solution, and other embodiments of the invention can also be realized and not mentioned above
The beneficial effect arrived.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, above-mentioned and other mesh of exemplary embodiment of the invention
, feature and advantage will become prone to understand.In the accompanying drawings, if showing by way of example rather than limitation of the invention
Dry embodiment, in which:
In the accompanying drawings, identical or corresponding label indicates identical or corresponding part.
Fig. 1 illustrates the implementation process schematic diagram of vision testing method of the invention；
Fig. 2 illustrates the composed structure schematic diagram of eyesight detection device of the invention.
Specific embodiment
To keep the purpose of the present invention, feature, advantage more obvious and understandable, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
The principle and spirit of the invention are described below with reference to several illustrative embodiments.It should be appreciated that providing this
A little embodiments are used for the purpose of making those skilled in the art can better understand that realizing the present invention in turn, and be not with any
Mode limits the scope of the invention.On the contrary, thesing embodiments are provided so that the present invention is more thorough and complete, and energy
It enough will fully convey the scope of the invention to those skilled in the art.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
In conjunction with Fig. 1, the present invention provides a kind of vision testing method, and the method is applied to an eyesight detection device, described
Method includes: the positional relationship of 101, eyesight detection device adjusting and patient, and locks to target position；102, institute
Eyesight detection device is stated and switched using gear transmission technology the first concave-sphere on first gear disk, the patient is carried out primary
Myopia degree detection, and record the first numerical value of the myopia degree detection；103, the eyesight detection device utilizes tooth
Drive technology is taken turns to switch the second concave-sphere on second gear disk, secondary myopia degree inspection is carried out to the patient, and record
The second value of the secondary myopia degree inspection；104, the eyesight detection device utilizes Digital Signal Processing, to institute
It states the first numerical value and the second value carries out the operation of computerized algorithm, and export the result of final myopia degree.
Herein, 101 operation is the adjusting and positioning to patient's eyeball, is the eyesight detection device and patient's interpupillary distance
Horizontal direction on adjusting and positioning, be fine tuning of the sighting target of the eyesight detection device at a distance from patient's eyeball, and
In myopia detection, position regulating unit can be locked, and be constantly in stable state, the spy for having myopia detection correctness high
It is fixed.
Operation 102 and 103 is the rotation in order to pass through first gear disk and second gear disk, the first ball of coaxial arrangement
The combination of mirror and the second concave-sphere, to realize the myopia detection to patient's eyeball；The precision of first concave-sphere and second ball
For the precision of mirror on the adjacent order of magnitude, the precision of the second concave-sphere is ten times of the first concave-sphere precision；The primary myopia detection
It is rough preliminary myopia detection, such as myopia degree of the first concave-sphere are as follows: 0 °, 100 °, 200 °, 300 ° ... 1000 °；Described two
Secondary myopia detection is high-precision myopia detection, the myopia degree of the second concave-sphere are as follows: 0 °, 10 °, 20 °, 30 ° ... 100 °；Concave-sphere
Precision even can accomplish it is higher so that myopia detection precision it is higher.
Operation 104, be because gear drive there are error and deviation, the sighting target of eyesight detection device and patient's eyeball away from
From precision there are the error of the measured value of error and patient's interpupillary distance be all to influence the factor of near-sighted testing result accuracy, lead to
The operation of the special algorithm in the eyesight detection device is crossed, such as two points take middle lookup algorithm, mean algorithm and some other
Traditional learning algorithm etc. will further improve the accuracy and precision of detection.
The present invention carries out near-sighted detection to patient by above-mentioned vision testing method, the accuracy of obtained final result and
Precision height is very high.
According to an embodiment of the present invention, when operation 101, the method also includes: the eyesight detection device benefit
With lead screw transmission technology or higher pair mechanism drive technology, the relative positional relationship with patient's eyeball is adjusted.
According to an embodiment of the present invention, when operation 101, the method also includes: the eyesight detection device benefit
With Worm Wheel System technology and eccentric wheel drive technology, the relative positional relationship with patient's eyeball is adjusted.
According to an embodiment of the present invention, after operation 101, the method also includes: the eyesight detection device benefit
Switch the auxiliary lens on third toothed disc with gear transmission technology, auxiliary detection is carried out to patient's eyeball.
According to an embodiment of the present invention, before operation 101, the method also includes: the eyesight detection device benefit
With wireless communication technique and remote control technology, the movement of the eyesight detection device itself is controlled.
According to an embodiment of the present invention, after operation 104, the method also includes: the eyesight detection device benefit
With Digital Signal Processing and system reset technology, the operation that itself function is returned to original state.
In conjunction with Fig. 2, the present invention also provides a kind of eyesight detection device, the eyesight detection device includes: that position adjusts list
Member 201 for adjusting and the positional relationship of patient, and locks target position；Gear transmission unit 202, for utilizing
Gear transmission technology switches the first concave-sphere on first gear disk, carries out a myopia degree detection to the patient, and remember
Record the first numerical value of the myopia degree detection；The gear transmission unit 202, be also used to using gear transmission technology come
Switch the second concave-sphere on second gear disk, secondary myopia degree inspection is carried out to the patient, and record the secondary myopia
The second value of degree inspection；Digital processing element 203, for utilizing Digital Signal Processing, to first numerical value and
The second value carries out the operation of computerized algorithm, and exports the result of final myopia degree.
According to an embodiment of the present invention, the position regulating unit 101 is also used to adjust in the eyesight detection device
With the positional relationship of patient, and when being locked to target position, using lead screw transmission technology or higher pair mechanism drive technology,
Adjust the relative positional relationship with patient's eyeball；
According to an embodiment of the present invention, the position regulating unit 101, be also used to using Worm Wheel System technology and
Eccentric wheel drive technology adjusts the relative positional relationship with patient's eyeball.
According to an embodiment of the present invention, the equipment further includes auxiliary unit；The auxiliary unit, in the view
Power detection device adjust with the positional relationship of patient, and after being locked to target position, cut using gear transmission technology
The auxiliary lens on third toothed disc are changed, auxiliary detection is carried out to patient's eyeball.
According to an embodiment of the present invention, the equipment further includes interface control unit；The interface control unit, is used for
The eyesight detection device adjust with the positional relationship of patient, and before locking to target position, utilize wireless communication
Technology and remote control technology control the movement of the eyesight detection device itself.
According to an embodiment of the present invention, the optometry equipment further includes mist view unit；The mist regards unit, in institute
Optometry equipment is stated and switched using gear transmission technology the concave-sphere on first gear disk, a myopia degree is carried out to the patient
Before inspection, switch the concave-sphere on first gear disk using gear transmission technology, mist inspection is carried out to the patient and is looked into, is exported
First eyesight value, until the first eyesight value is in target range.
According to an embodiment of the present invention, the mist is also used to depending on unit, utilizes gear drive skill in the optometry equipment
Art switches the concave-sphere on first gear disk, pass using secondary gear before myopia degree checks to the patient
Dynamic technology overturns prism, carries out secondary mist to the patient and regards optometry；If patient can be clearly apparent sighting target, continue optometry；
Otherwise, optometry terminates.
According to an embodiment of the present invention, the near-sighted inspection unit is also used to, and is passed in the optometry equipment using gear
Dynamic technology switches the concave-sphere on first gear disk, carries out utilizing red green survey when a myopia degree checks to the patient
Correlation technique is tried, a myopia degree inspection is carried out to the patient；If the red sighting target that patient sees is apparent, reduce
Concave-sphere degree；If fruit green sighting target is apparent, then increase concave-sphere degree；If patient thinks the clear of red sighting target and green sighting target
Clear degree is consistent, then myopia checks and terminates.
According to an embodiment of the present invention, the optometry equipment further includes binocular balance unit；The binocular balance unit,
For overturning the cylindrical mirror and the concave-sphere using Digital Signals technology in the optometry equipment, the patient is carried out
Third time optometry；If patient can tell the clarity for the sighting target that front and back is seen twice, continue the inspection of astigmatism degree；It is no
Then, after terminating optometry, polarizing filter is overturn in place using secondary gear drive technology, it is flat to carry out eyes to the patient
Weighing apparatus optometry；If patient's eyes see that the clarity of sighting target or fuzziness are inconsistent, the optometry equipment is to seeing apparent
Wherein one eye increase concave-sphere degree；If the clarity or fuzziness are consistent, terminate the binocular balance optometry.
According to an embodiment of the present invention, the optometry equipment further includes digital signal processing unit；The digital signal
Processing unit, for overturning the cylindrical mirror and the concave-sphere using Digital Signals technology in the optometry equipment, to institute
It states patient and carries out third time optometry；If patient can tell the clarity for the sighting target that front and back is seen twice, continue astigmatism
Several inspections；Otherwise, after terminating optometry, using system reset technology, reset operation is carried out to itself function.
According to an embodiment of the present invention, the optometry equipment further includes heterophoria unit；The heterophoria unit, is used for
The cylindrical mirror and the concave-sphere are overturn using Digital Signals technology in the optometry equipment, and third is carried out to the patient
Secondary optometry；If patient can tell the clarity for the sighting target that front and back is seen twice, continue the inspection of astigmatism degree；Otherwise,
After terminating optometry, polarizing filter is overturn in place using secondary gear drive technology, heterophoria is carried out to the patient and is tested
Light；If left and right offset occurs on vertical center line for the sighting target that patient sees, the optometry equipment increases left eye step by step
The degree of prism；If downward shift occurs on horizontal center line for the sighting target that patient sees, the optometry equipment is to right eye
Increase the degree of prism step by step.
According to an embodiment of the present invention, the heterophoria unit is also used to, and utilizes digital signal in the optometry equipment
Control technology overturns the cylindrical mirror and the concave-sphere, carries out third time optometry to the patient；Before if patient can tell
The clarity for the sighting target seen twice afterwards then continues the inspection of astigmatism degree；Otherwise, after terminating optometry, using geneva bar and
The technology that rotating prism combines carries out heterophoria optometry to the patient.
It need to be noted that: embodiments described above, the description with preceding method embodiment are similar, tools
There is the similar beneficial effect of same embodiment of the method, therefore does not repeat them here.For technical detail undisclosed in the embodiment of the present invention,
It please refers to the description of embodiment of the present invention method and understands, to save length, therefore repeat no more.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include more elements not only include those elements, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or device intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, there is also other identical elements in article or device.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of vision testing method, which is characterized in that the method is applied to an at least eyesight detection device, the method packet
It includes:
The eyesight detection device adjusts the positional relationship with patient, and locks to target position；
The eyesight detection device switches the first concave-sphere on first gear disk using gear transmission technology, to the patient into
Myopia degree detection of row, and record the first numerical value of the myopia degree detection；
The eyesight detection device switches the second concave-sphere on second gear disk using gear transmission technology, to the patient into
The secondary myopia degree inspection of row, and record the second value of the secondary myopia degree inspection；
The eyesight detection device utilizes Digital Signal Processing, calculates first numerical value and the second value
The operation of machine algorithm, and export the result of final myopia degree.
2. vision testing method according to claim 1, which is characterized in that in eyesight detection device adjusting and patient
Positional relationship, and when being locked to target position, the method also includes:
The eyesight detection device utilizes lead screw transmission technology or higher pair mechanism drive technology, adjusts the phase with patient's eyeball
To positional relationship.
3. vision testing method according to claim 1, which is characterized in that in eyesight detection device adjusting and patient
Positional relationship, and when being locked to target position, the method also includes:
The eyesight detection device utilizes Worm Wheel System technology and eccentric wheel drive technology, adjusts and patient's eyeball
Relative positional relationship.
4. vision testing method according to claim 1, which is characterized in that in eyesight detection device adjusting and patient
Positional relationship, and after being locked to target position, the method also includes:
The eyesight detection device switches the auxiliary lens on third toothed disc using gear transmission technology, to patient's eye
Ball carries out auxiliary detection.
5. vision testing method according to claim 1, which is characterized in that in eyesight detection device adjusting and patient
Positional relationship, and before being locked to target position, the method also includes:
The eyesight detection device utilizes wireless communication technique and remote control technology, controls the eyesight detection device itself
Movement.
6. vision testing method according to claim 1, which is characterized in that utilize number letter in the eyesight detection device
Number processing technique, the operation of computerized algorithm is carried out to first numerical value and the second value, and exports final myopia degree
After several results, the method also includes:
The eyesight detection device utilizes Digital Signal Processing and system reset technology, at the beginning of being restored to itself function
The operation of beginning state.
7. a kind of eyesight detection device, which is characterized in that the eyesight detection device includes:
Position regulating unit, for adjust with the positional relationship of patient, and target position is locked；
Gear transmission unit, for switching the first concave-sphere on first gear disk using gear transmission technology, to the patient
A myopia degree detection is carried out, and records the first numerical value of the myopia degree detection；
The gear transmission unit is also used to switch using gear transmission technology the second concave-sphere on second gear disk, to institute
It states patient and carries out secondary myopia degree inspection, and record the second value of the secondary myopia degree inspection；
Digital processing element counts first numerical value and the second value for utilizing Digital Signal Processing
The operation of calculation machine algorithm, and export the result of final myopia degree.
8. eyesight detection device according to claim 7, which is characterized in that
The position regulating unit is also used to adjust the positional relationship with patient in the eyesight detection device, and to target position
It sets when being locked, using lead screw transmission technology or higher pair mechanism drive technology, adjusts the opposite position with patient's eyeball
Set relationship；
The position regulating unit is also used to adjust and the trouble using Worm Wheel System technology and eccentric wheel drive technology
The relative positional relationship of person's eyeball.
9. eyesight detection device according to claim 7, which is characterized in that the equipment further includes auxiliary unit；
The auxiliary unit is carried out for adjusting the positional relationship with patient in the eyesight detection device, and to target position
After locking, switch the auxiliary lens on third toothed disc using gear transmission technology, patient's eyeball is assisted
Detection.
10. eyesight detection device according to claim 7, which is characterized in that the equipment further includes interface control unit；
The interface control unit, for adjusting the positional relationship with patient in the eyesight detection device, and to target position
Before being locked, using wireless communication technique and remote control technology, the movement of the eyesight detection device itself is controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811616051.1A CN109497927A (en) | 2018-12-28 | 2018-12-28 | A kind of vision testing method and eyesight detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811616051.1A CN109497927A (en) | 2018-12-28 | 2018-12-28 | A kind of vision testing method and eyesight detection device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202458314U (en) * | 2012-01-13 | 2012-10-03 | 张仁发 | Automatic optometry instrument |
| CN205234447U (en) * | 2015-12-01 | 2016-05-18 | 重庆远视科技有限公司 | Automatic optometry top of head dioptric strength governing system |
| CN206261584U (en) * | 2016-07-06 | 2017-06-20 | 深圳大学 | A kind of type digital type synoptophore moves lens device certainly |
| CN108478186A (en) * | 2018-03-29 | 2018-09-04 | 广东工业大学 | A kind of refraction system |
| CN108742509A (en) * | 2018-06-27 | 2018-11-06 | 首都医科大学附属北京同仁医院 | A kind of simple eye concave-sphere accurate adjustment method of A nearsighted person |
-
2018
- 2018-12-28 CN CN201811616051.1A patent/CN109497927A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202458314U (en) * | 2012-01-13 | 2012-10-03 | 张仁发 | Automatic optometry instrument |
| CN205234447U (en) * | 2015-12-01 | 2016-05-18 | 重庆远视科技有限公司 | Automatic optometry top of head dioptric strength governing system |
| CN206261584U (en) * | 2016-07-06 | 2017-06-20 | 深圳大学 | A kind of type digital type synoptophore moves lens device certainly |
| CN108478186A (en) * | 2018-03-29 | 2018-09-04 | 广东工业大学 | A kind of refraction system |
| CN108742509A (en) * | 2018-06-27 | 2018-11-06 | 首都医科大学附属北京同仁医院 | A kind of simple eye concave-sphere accurate adjustment method of A nearsighted person |
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Application publication date: 20190322 |