CN109480764A - Hand-held optometry unit and optometry method - Google Patents
Hand-held optometry unit and optometry method Download PDFInfo
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- CN109480764A CN109480764A CN201811137987.6A CN201811137987A CN109480764A CN 109480764 A CN109480764 A CN 109480764A CN 201811137987 A CN201811137987 A CN 201811137987A CN 109480764 A CN109480764 A CN 109480764A
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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
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1208—Multiple lens hand-held instruments
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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
- A61B3/14—Arrangements specially adapted for eye photography
Abstract
The present invention provides a kind of hand-held optometry unit, it include: optometry unit ontology and the camera on the optometry unit ontology, controller and display screen, the controller is connect with the camera and the display screen respectively, the camera is used for when tested eyes are located at default test position, obtain the ocular image of the tested eyes, and the ocular image is sent to the controller, the controller is used to judge that the tested eyes are left eye or right eye according to the ocular image, generate judging result, and the judging result is sent to the display screen, the display screen shows the judging result.Hand-held optometry unit of the invention realizes miniaturization, easy to operate and be convenient for carrying.
Description
Technical field
The present invention relates to optical technical field, in particular to a kind of hand-held optometry unit and optometry method.
Background technique
Scientific and technological progress is a double-edged sword.Have benefited from scientific and technological progress, the body of people is than whenever freer.We have
Faster speed, " line eighty thousand li travelling on ground " is no longer a persiflage, the fun of humour, and spaceship day, row was far more than in 80,000；
We can fly to higher, " can on clasp the moon in the Ninth Heaven "；We can walk deeper, " can seize turtles deep down in the Five Seas down "；We can see
Farther, countless " prying eyes "s, " person who can hear voices a long way off " provide information for us immediately on internet.
However, being equally that scientific and technological progress makes so, constraint suffered by the soul of people is thick and heavy like never before.The mankind are more certainly
By but not therefore happier.
Africa is walked out from first mankind, the mankind have just started the hunting history up to millions of years and the agriculture up to tens of thousands of years
Plough history." survival of the fittest ", the Nature have moulded the character of the mankind by way of eliminating discomfort person.
The Nature vouchsafes each species outstanding fecundity, and substance scarcity is its inevitable outcome, " the thin chaff of half gunnysack,
Adulterate, the grain of rice fragmentarily " what is described is only the animation of Chinese decades ago.It is honey stomach, insatiably avaricious
Gene spread so far because the deficient this environment of substance has been adapted to.Scientific and technological progress then suddenly makes the substance of the mankind greatly
Abundant, the instinct of the mankind is also difficult to adapt to for the moment, is acted still according to the instinct of the deficient age culture of substance.Obesity, height
Blood pressure, hyperlipidemia, diabetes etc. take place frequently, and scientific and technological progress is to perform meritorious deeds never to be obliterated.
It is another instinct that the mankind mould that serious hope to knowledge, the greediness to information, which are the Nature,.It is adjoint from beginning to end
Human evolution's history, be the scarcity of information.And in the environment that tiger and wolf ring is watched, early a moment knows that information often means that obtain
One delicious dinner, or the destiny for the object filled the stomach as wolves, tigers and leopards is escaped, there is the gene phase of vigorous desire to information
Those blunt genes are obviously more adapted to.
Scientific and technological progress also makes information resources extremely abundant, obtains the approach of information incomparably just while making material abundance
It is prompt.Using the mankind to the greediness of information, various title parties are even more to propagate its belief on a large scale.Various useful, useless information are full of in people
Class place within reach, drapes over one's shoulders charming camouflage, the desire for luring the mankind to yield oneself up.
However, comfortable lie on a bed of the mankind is played touch-screen mobile phone just only time several years, it is straight be sitting in table before stare at
Computer screen only just tens of load years, even if cultural continuity is long such as China person, the history of " red sleeve add fragrant night read " is also
But over thousands of year.
Obviously, the physiological function of human eye and the instinct using eyes, being within such short time can not " suitable person's life
Deposit ".In the case where environment cataclysm, various eye diseases will propagate its belief on a large scale.
It " does not listen and wears woods and beat leaf sound, why not chant howl and creep."
For the happiness of the mankind, it would be desirable to accomplish something.The drawbacks of scientific and technological progress, it should be prevented with scientific and technological progress.
The eyes for saving mankind's preciousness avoid it from being injured by the desire of mankind itself, and approach has two:
One improves display screen technology；
The two develops new technology, and the mankind is allow conveniently and efficiently to monitor the health status of oneself eye whenever and wherever possible,
It is fed back in real time, so that oneself change be supervised to be accustomed to eye, protects eyesight.
Approach two, it appears that more promising.
" The benevolent loves others ", for the health and happiness of descendants, countless research and development people immerse oneself quietly in hard work always, research and develop
A variety of eyesight detection devices.But because of the factors such as complicated for operation, inconvenient to carry, hardly possible obtains the heart of a young woman in market, can not be for the mankind's
Happiness plays its due effect.
Therefore, be badly in need of it is a kind of it is easy to operate, be easy to carry about with one, people are ready the eyesight detection device used, liked.
However current hand-held optometry unit needs to connect extraneous terminal to be shown and be handled, this will lead to hand-held test
Light instrument cannot achieve miniaturization, complicated for operation and inconvenient to carry.
Summary of the invention
The purpose of the present invention is to provide a kind of hand-held optometry unit and optometry methods, cannot achieve with solving hand-held optometry unit
Miniaturization, technical problem complicated for operation and inconvenient to carry.
The present invention provides a kind of hand-held optometry unit, comprising: optometry unit ontology and taking the photograph on the optometry unit ontology
Picture head, controller and display screen, the controller are connect with the camera and the display screen respectively, the camera
For when tested eyes are located at default test position, obtaining the ocular image of the tested eyes, and by the eye
Area image is sent to the controller, and the controller is used to judge that the tested eyes are according to the ocular image
Left eye or right eye generate judging result, and the judging result are sent to the display screen, described in the display screen is shown
Judging result.
Wherein, the hand-held optometry unit further includes CCD camera, and the CCD camera is for receiving through the tested eyes
The light of fundus reflex simultaneously forms dioptric image, and for the dioptric image to be sent to the controller, the control
Device is also used to obtain the eyesight information of the tested eyes according to the dioptric image, and the eyesight information is sent to described
Display screen, the display screen show that the eyesight information, the eyesight information include diopter of correction, cylindrical mirror degree and axle position.
Wherein, the hand-held optometry unit further includes gyroscope, and the gyroscope is connected with the controller, the gyroscope
For obtaining the axial direction of the hand-held optometry unit and the angle of gravity direction, the controller corrects the quilt according to the angle
Survey the axle position of eyes.
Wherein, the hand-held optometry unit further includes memory, and the memory is connected with the controller, the memory
For storing the judging result and the eyesight information.
Wherein, the controller is also used to update the judging result and eyesight information of the tested eyes.
Wherein, the controller is also used to handle the ocular image, generates pupil image, and by the pupillogram
As being sent to the display screen, the display screen shows the pupil image.
Wherein, the display screen is equipped with alignment cursor, the pupil that the alignment cursor is used to be aligned in the pupil image
Hole center, so that the tested eyes are located at the default test position.
The present invention provides a kind of optometry method, comprising:
Obtain the ocular image for being located at the tested eyes of default test position；
Judge that the tested eyes are left eye or right eye according to the ocular image, generates judging result；
Show the judging result.
Wherein, further includes:
It receives the light of the fundus reflex through the tested eyes and forms dioptric image；
The eyesight information of the tested eyes is obtained according to the dioptric image；
Show that the eyesight information, the eyesight information include diopter of correction, cylindrical mirror degree and axle position.
Wherein, further includes:
Obtain the axial direction of hand-held optometry unit and the angle of gravity direction；
The axle position of the tested eyes is corrected according to the angle.
Wherein, further includes:
Store the judging result and the eyesight information.
Wherein, further includes:
Update the judging result and eyesight information of the tested eyes.
Wherein, further includes:
The ocular image is handled, pupil image is generated；
Show the pupil image.
Wherein, further includes:
The pupil center being aligned in the pupil image, so that the tested eyes are located at the default test position.
In conclusion the hand-held optometry unit of the application can automatically identify the left eye or right eye that tested eyes are users,
Solving existing hand-held optometry unit can not judge that tested eyes are the left eyes or right eye of user, to guarantee the standard of testing result
True property.Meanwhile the application is realized by camera, controller, display screen and the memory being integrated on optometry unit ontology
The miniaturization of hand-held optometry unit, it is easy to operate and be convenient for carrying.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of hand-held optometry unit provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the first state of the display screen in Fig. 1.
Fig. 3 is the light channel structure schematic diagram of hand-held optometry unit shown in FIG. 1.
Fig. 4 is the structural schematic diagram of second of state of the display screen in Fig. 1.
Fig. 5 is the flow diagram of optometry method provided in an embodiment of the present invention.
Fig. 6 is the flow diagram of the step S1 in Fig. 5.
Fig. 7 is the flow diagram of another embodiment of optometry method provided in an embodiment of the present invention.
Fig. 8 is the flow diagram of the step S5 in Fig. 7.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of hand-held optometry unit 100, comprising: optometry unit ontology 10 and be set to optometry unit
Camera 20, controller 30 and display screen 40 on ontology 10.Controller 30 connects with camera 20 and display screen 40 respectively
It connects.Camera 20 is used for when tested eyes are located at default test position, obtains the ocular image for being tested eyes, and by eye
Portion's area image is sent to controller 30, and controller 30 is used to judge that tested eyes are left eye or the right side according to ocular image
Eye generates judging result, and judging result is sent to display screen 40, and display screen 40 shows judging result.
In the application, user sends " booting " by key and instructs, and controller 30 receives " booting " instruction, holds optometry unit
100 bootings；User sends " starting to test " instruction by key, and controller 30 receives " starting to test " instruction of user, and controls
Camera 20 processed is opened, and control display screen 40 enters preview interface.Camera 20 searches for the ocular of the tested eyes of user
Picture, display screen 40 show the ocular picture of the tested eyes for the user that camera 20 is searched for, and when display screen 40 is shown
Ocular picture in the pupil center of tested eyes when being located at the predeterminated position of display screen 40, i.e., tested eyes are located at pre-
If when test position, camera 20 obtains current ocular image, and the current ocular image is sent to control
Device 30 processed, controller 30 judge that tested eyes are the left eyes or right eye of user according to the ocular image, generate judgement
As a result, and the judging result is sent to display screen 40, the display of display screen 40 judging result.To the hand-held optometry of the application
Instrument 100 can automatically identify the left eye or right eye that tested eyes are users, and solving existing hand-held optometry unit 100 need to pass through
Optometry person's observation judges that tested eyes are the left eye or right eye of user, and then avoids causing because of the maloperation of optometry person pair
The misjudgment of tested eyes and the left eye and right eye optometry mistake for leading to user.In the application, the difference of picture and image are as follows:
Picture indicates the dynamic menu in the view finder of camera 20, and above-mentioned dynamic menu fixes at certain a moment referred to as image.And
And the application realizes hand-held optometry by camera, controller, display screen and the memory being integrated on optometry unit ontology
The miniaturization of instrument, is convenient for carrying, and does not need to improve the convenience used using particular test place.
In the present embodiment, ocular image include eyebrow or less, it is more than palpebra inferior, the whole region at two sides canthus,
Controller 30 distinguishes left eye or right eye by the canthus of the tested eyes in ocular image, in other embodiments,
Left eye or right eye can also be distinguished by other features of the tested eyes in ocular image, it is not limited here.
Further, controller 30 is also used to handle ocular image, generates pupil image, and pupil image is sent
To display screen 40, display screen 40 shows pupil image.In the present embodiment, in order to make tested eyes be located at default test position,
The image of tested eyes need to be shown by display screen 40 to judge, and the small volume of hand-held optometry unit 100, the face of display screen 40
Product is smaller, therefore needs controller 30 to handle ocular image to obtain pupil image, and display screen 40 shows pupil image,
To can determine whether tested eyes are located at default test position by the pupil image on display screen 40.Further, due to
The display screen 40 of the application only shows pupil image, and display screen 40 does not need the larger of setting, and the display screen compared with small area is arranged
40, so that the miniaturization of hand-held optometry unit can be realized.
Referring to Fig. 2, display screen 40 is equipped with alignment cursor 50, the pupil that alignment cursor 50 is used to be aligned in pupil image
Center, so that tested eyes are located at predeterminated position.In this example it is shown that the center of screen 40 is equipped with alignment cursor 50, alignment
Cursor 50 is cross cursor.In order to judge whether tested eyes are located at default test position, the pupil on display screen 40 need to be passed through
Whether image is located at the predeterminated position of display screen 40 to judge, so that the pupil in alignment pupil image need to be arranged on display screen 40
The alignment cursor 50 at hole center, and then when the pupil center for the pupil image being aligned in 50 align display screens 40 of cursor, i.e. table
Show that tested eyes are located at default test position.Therefore, when tested eyes are located at default test position, camera 20 can obtain quilt
Survey the ocular image of eyes.And due to the hand-held optometry unit 100 of the application be it is hand-held, can move, the application only needs to move
It starts to hold the pupil center that optometry unit 100 can will be directed at the pupil image in 50 align display screens 40 of cursor, it is convenient and efficient, it mentions
The high testing efficiency of hand-held optometry unit 100.
Please continue to refer to Fig. 1, hand-held optometry unit 100 further includes CCD camera 80, and CCD camera 80 is for receiving through tested eye
The light of the fundus reflex of eyeball simultaneously forms dioptric image, and for dioptric image to be sent to controller 30, controller 30 is also
It is sent to display screen 40 for obtaining the eyesight information of tested eyes according to dioptric image, and by eyesight information, display screen 40 is aobvious
Show eyesight information.Eyesight information includes diopter of correction, cylindrical mirror degree and axle position.
Referring to Fig. 3, specifically, hand-held optometry unit 100 further include light source 110, collimating mirror 120, semi-transparent semi-reflecting lens 130,
Reflecting mirror 140, the first combined lens 150, the second combined lens 160, microlens array 170, infrared fileter 180.Semi-transparent semi-reflecting lens
It is arranged with mirror parallel interval, collimating mirror and light source are located at the setting of the interval first straight line L1, first straight line L1 and semi-transparent half
The angle setting at 45 ° of the reflecting surface of anti-mirror, the reflecting surface angle at 45 ° of light and semi-transparent semi-reflecting lens through semi-transparent semi-reflecting lens reflection is set
Set, and tested eyes can be directly reflected into, the first combined lens, the second combined lens, microlens array, infrared fileter and
CCD camera 80 is located at the setting of the interval second straight line L2, and the angle setting at 45 ° of the reflecting surface of second straight line L2 and reflecting mirror, takes the photograph
The side away from mirror reflection surface for being located at reflecting mirror as first 20, it is tested eyes in default test position, semi-transparent semi-reflecting
After mirror, reflecting mirror and camera 20 are located at the setting of same straight line, and the light through being tested eye reflections passes through semi-transparent semi-reflecting lens
Reachable camera 20.
Extraneous light (such as light, sunlight) reaches the eye surface of tested eyes, and the eye surface through being tested eyes is anti-
Semi-transparent semi-reflecting lens are passed through after penetrating and reach camera 20, and the image that camera 20 obtains the eye surface of tested eyes forms ocular
Image, and the ocular image is sent to controller 30, controller 30 judge the tested eyes be the left eye of user also
It is right eye, and the judging result is sent to display screen 40, display screen 40 shows the judging result.
Meanwhile light source issue the collimated mirror of light reflected by semi-transparent semi-reflecting lens after enter tested eye eyeball eyeground, through quilt
Survey eyes eyeground transmitting after, pass through semi-transparent semi-reflecting lens reach reflecting mirror, after being reflected by a reflector, successively through the first combined lens,
Second combined lens and microlens array reach CCD camera 80, and CCD camera 80 pools the light entered in CCD camera 80
Dioptric image, and the dioptric image is sent to controller 30, controller 30 obtains the view of tested eyes according to the dioptric image
Force information.
To which the application not only can be confirmed that tested eyes are left eye or right eye, can also obtain the eyesight of tested eyes
Information, and shown by display screen 40.That is, if the tested eyes that controller 30 confirms are left eye, 40 meeting of display screen
Show the eyesight information of left eye；If the tested eyes that controller 30 confirms are right eye, display screen 40 can show the eyesight of right eye
Information.
Referring to Fig. 4, in one embodiment, display screen 40 includes the first adjacent display area 401 and second
Display area 402, the first display area 401 indicates equipped with " OS ", for showing the eyesight information of left eye, the second display area
402, which are equipped with " OD ", indicates, for showing the eyesight information of right eye.First display area 401 is opposite with the left eye of optometry person, the
Two display areas 402 are opposite with the right eye of optometry person.The relative position of first display area 401 and the second display area 402 exists
In the application without limitation.
Hand-held optometry unit 100 further includes memory 70, and memory 70 is connected with controller 30, and memory 30 is sentenced for storing
Disconnected result and eyesight information.That is, the memory 70 of hand-held optometry unit 100 can be by above-mentioned judging result and eyesight information
Storage, facilitates access and leaies through, and without the judging result and eyesight information above-mentioned by extraneous terminal storage.In other realities
It applies in example, above-mentioned judging result and eyesight information can also be sent to meter by wifi, bluetooth and nfc technology by controller 30
Calculation machine, mobile phone or other terminals.It does not need to go to detect in specific place, improves the ease of use of hand-held optometry unit 100.
Therefore, the application by the camera 20 that is integrated on optometry unit ontology 10, controller 30, display screen 40 and deposits
Reservoir 70 not only may determine that tested eyes are left eye or right eye and show judging result, but also can measure corresponding left eye or
The eyesight information of right eye, and show the eyesight information of left eye or right eye, while above-mentioned judging result and eyesight can also be stored
Information.Therefore, the hand-held optometry unit 100 of the application can independently measure, show and store the eyesight letter of corresponding eyes
Breath solves traditional optometry unit needs and is connected with terminal, handled in terminal, and show the eyesight of last correspondence eyes
The technical problem inconvenient to carry, complicated for operation and larger volume of optometry unit caused by information.The hand-held optometry unit of the application
Realize miniaturization, it is easy to operate and be convenient for carrying.
Please continue to refer to Fig. 1, holding optometry unit 100 further includes gyroscope 60, and gyroscope 60 is connected with controller 30, gyro
Instrument 60 is used to obtain the angle of hand-held optometry unit 100 and gravity direction, and controller 30 is also used to correct tested eyes according to angle
Axle position.Specifically, the installation direction of gyroscope 60 is identical as the axial direction of optometry unit ontology 10, for correcting the axis of tested eyes
Position.If when measure axle position, to hold optometry unit 100 identical with gravity direction for hand-held optometry unit 100, that is, hold optometry unit 100 and
The angle of gravity direction is zero, then the angle that gyroscope 60 is read is zero degree, and the angle of the zero degree is sent to control by gyroscope 60
Device 30 processed, then controller 30 will not pass through processing, directly export the axle position measured；If hand-held optometry unit 100 is in measurement axle position
When, it holds optometry unit 100 and gravity direction is not identical, hand-held optometry unit 100 has an angle with gravity direction, then gyroscope
60 will read the angle, and the angle is sent to controller 30, then controller 30 carries out the axle position measured by the angle
Amendment, and revised axle position is exported, revised axle position is the practical axle position of tested eyes.Therefore, the gyro of the application
Instrument 60, which realizes, corrects the axle position that hand-held optometry unit 100 obtains, and improves the accuracy of axle position measurement.
Meanwhile controller 30 is also used to update the judging result and eyesight information of tested eyes.Specifically, if user feels
The judging result and eyesight information of acquisition have error, can be reacquired, and the judging result regained and eyesight information will
The judging result and eyesight information of last acquisition, i.e. covering history judging result and history eyesight information can be covered.After update
Judging result will be saved with eyesight information.
Referring to Fig. 5, the application also provides a kind of optometry method, which is applied to above-mentioned hand-held optometry unit
100, comprising:
Step S1 obtains the ocular image for being located at the tested eyes of default test position.Specifically, user is by pressing
Key sends " booting " instruction, and controller 30 receives " booting " instruction, holds optometry unit 100 and is switched on；User " is opened by key transmission
Begin to test " instruction, controller 30 receives " starting to test " instruction of user, and controls the unlatching of camera 20, control display screen 40
Into preview interface.Camera 20 searches for the ocular picture of the tested eyes of user, and display screen 40 shows that camera 20 is searched
The ocular picture of the tested eyes of the user of rope, and when the tested eyes in the ocular picture that display screen 40 is shown
When pupil center is located at the predeterminated position of display screen 40, i.e., when tested eyes are located at default test position, the acquisition of camera 20 is worked as
Preceding ocular image, and the ocular image is sent.That is, when tested eyes are located at default test position
When, extraneous light (such as light, sunlight) reaches the eye surface of tested eyes, wears after being tested the eye surface reflection of eyes
It crosses semi-transparent semi-reflecting lens and reaches camera 20, the image that camera 20 obtains the eye surface of tested eyes forms ocular image,
And the ocular image is sent.
Referring to Fig. 6, the following is the specific flow chart of step S1.
Step S11 handles ocular image, generates pupil image.Specifically, in order to make tested eyes be located at default survey
Position is tried, need to show the image of tested eyes by display screen 40 to judge, and the small volume of hand-held optometry unit 100, display
The area of screen 40 is smaller, therefore needs controller 30 to handle ocular image to obtain pupil image, and by the pupillogram
As sending.
Step S12 shows pupil image.Specifically, display screen 40 shows pupil when display screen 40 receives pupil image
Hole image, to can determine whether tested eyes are located at default test position by the pupil image on display screen 40.
Step S13, the pupil center being aligned in pupil image, so that tested eyes are located at default test position.Specifically,
In order to judge whether tested eyes are located at default test position, whether display screen need to be located at by the pupil image on display screen 40
40 predeterminated position judges, thus the alignment cursor for the pupil center that need to be arranged on display screen 40 in alignment pupil image
50, and then when the pupil center for the pupil image being aligned in 50 align display screens 40 of cursor, that is, it is pre- to indicate that tested eyes are located at
If test position.
Step S2 judges that tested eyes are left eye or right eye according to ocular image, generates judging result.Specifically
For, when controller 30 receives ocular image, judges that tested eyes are left eye or right eye, generate judging result, and
Judging result is sent.
Step S3 shows judging result.Specifically, showing judging result when display screen 40 receives judging result.
Therefore, the application can automatically identify the left eye or right eye that tested eyes are users, solve existing hand-held
Optometry unit 100 need to be observed to judge that tested eyes are the left eye or right eye of user by optometry person, and then avoid because of optometry person
Maloperation and lead to the misjudgment to tested eyes and lead to the left eye and right eye optometry mistake of user.
Referring to Fig. 7, further, the optometry method of the application further includes following steps:
Step S4 receives the light of the fundus reflex through tested eyes and forms dioptric image.Specifically, what light source issued
The collimated mirror of light enters the eyeground of tested eye eyeball after being reflected by semi-transparent semi-reflecting lens, after being tested the eyeground transmitting of eyes, pass through
Semi-transparent semi-reflecting lens reach reflecting mirror, after being reflected by a reflector, successively through the first combined lens, the second combined lens and microlens array
CCD camera 80 is reached, the light entered in CCD camera 80 is pooled dioptric image by CCD camera 80, and the dioptric image is sent out
It send.
Step S5 obtains the eyesight information of tested eyes according to dioptric image.Specifically, controller 30 receives the dioptric figure
Picture, the eyesight information of tested eyes is obtained according to dioptric image, and eyesight information is sent.
Step S6 shows eyesight information, and eyesight information includes diopter of correction, cylindrical mirror degree and axle position.Display screen 40 receives the view
Force information, and show eyesight information.
Therefore, the application not only can be confirmed that tested eyes are left eye or right eye, can also obtain the eyesight of tested eyes
Information, and shown by display screen 40.That is, if the tested eyes that controller 30 confirms are left eye, 40 meeting of display screen
Show the eyesight information of left eye；If the tested eyes that controller 30 confirms are right eye, display screen 40 can show the eyesight of right eye
Information.
Referring to Fig. 8, further, step S5 further includes following steps:
Step S51 obtains the axial direction of hand-held optometry unit 100 and the angle of gravity direction.Specifically, if hand-held optometry unit
100 when measuring axle position, holds optometry unit 100 and gravity direction is not identical, holds optometry unit 100 with gravity direction with one
Angle, then gyroscope 60 will read the angle, and the angle is sent
Step S52 corrects the axle position of tested eyes according to angle.Specifically, controller 30 receives the angle, and by being somebody's turn to do
Angle is modified the axle position measured, and exports revised axle position, and revised axle position is the actual axle of tested eyes
Position.
Therefore, the application, which realizes, corrects the axle position that hand-held optometry unit 100 obtains, and improves the accuracy of axle position measurement.
Further, optometry method further includes following steps:
Step S7, storage judging result and eyesight information.Specifically, controller 30 obtains storage judging result and eyesight is believed
When breath, memory 70 can be stored above-mentioned judging result and eyesight information, be facilitated access and be leafed through, and without passing through the external world
The above-mentioned judging result of terminal storage and eyesight information.
Therefore, the application not only may determine that tested eyes are left eye or right eye and show judging result, but also can be with
The eyesight information of corresponding left eye or right eye is measured, and shows the eyesight information of left eye or right eye, while can also store above-mentioned
Judging result and eyesight information.
Step S8 updates the judging result and eyesight information of tested eyes.Specifically, if user feels the judgement knot obtained
Fruit and eyesight information have error, can be reacquired, and the judging result regained and eyesight information will cover the last time
The judging result and eyesight information of acquisition, i.e. covering history judging result and history eyesight information.Updated judging result with
Eyesight information will save.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (14)
1. a kind of hand-held optometry unit characterized by comprising optometry unit ontology and the camera shooting on the optometry unit ontology
Head, controller and display screen, the controller are connect with the camera and the display screen respectively, and the camera is used
In when tested eyes are located at default test position, obtaining the ocular image of the tested eyes, and by the eye area
Area image is sent to the controller, and the controller is used to judge according to the ocular image that the tested eyes to be left
Eye or right eye generate judging result, and the judging result are sent to the display screen, the display screen show described in sentence
Disconnected result.
2. hand-held optometry unit according to claim 1, which is characterized in that the hand-held optometry unit further includes CCD camera, institute
It states CCD camera to be used to receive the light of the fundus reflex through the tested eyes and form dioptric image, and being used for will be described
Dioptric image is sent to the controller, and the controller is also used to obtain the view of the tested eyes according to the dioptric image
Force information, and the eyesight information is sent to the display screen, the display screen shows the eyesight information, the eyesight letter
Breath includes diopter of correction, cylindrical mirror degree and axle position.
3. hand-held optometry unit according to claim 2, which is characterized in that the hand-held optometry unit further includes gyroscope, institute
It states gyroscope to be connected with the controller, the gyroscope is used to obtain the axial direction of the hand-held optometry unit and the folder of gravity direction
Angle, the controller correct the axle position of the tested eyes according to the angle.
4. hand-held optometry unit according to claim 2 or 3, which is characterized in that the hand-held optometry unit further includes memory,
The memory is connected with the controller, and the memory is for storing the judging result and the eyesight information.
5. hand-held optometry unit according to claim 4, which is characterized in that the controller is also used to update the memory
The judging result and eyesight information of the interior tested eyes.
6. hand-held optometry unit according to claim 1, which is characterized in that the controller is also used to handle the eye area
Area image generates pupil image, and the pupil image is sent to the display screen, and the display screen shows the pupillogram
Picture.
7. hand-held optometry unit according to claim 6, which is characterized in that the display screen is equipped with alignment cursor, described
The pupil center that alignment cursor is used to be aligned in the pupil image, so that the tested eyes are located at the default test position
It sets.
8. a kind of optometry method characterized by comprising
Obtain the ocular image for being located at the tested eyes of default test position；
Judge that the tested eyes are left eye or right eye according to the ocular image, generates judging result；
Show the judging result.
9. optometry method according to claim 8, which is characterized in that further include:
It receives the light of the fundus reflex through the tested eyes and forms dioptric image；
The eyesight information of the tested eyes is obtained according to the dioptric image；
Show that the eyesight information, the eyesight information include diopter of correction, cylindrical mirror degree and axle position.
10. optometry method according to claim 9, which is characterized in that further include:
Obtain the axial direction of hand-held optometry unit and the angle of gravity direction；
The axle position of the tested eyes is corrected according to the angle.
11. optometry method according to claim 9 or 10, which is characterized in that further include:
Store the judging result and the eyesight information.
12. optometry method according to claim 11, which is characterized in that further include:
Update the judging result and eyesight information of the tested eyes.
13. optometry method according to claim 8, which is characterized in that further include:
The ocular image is handled, pupil image is generated；
Show the pupil image.
14. optometry method according to claim 13, which is characterized in that further include:
The pupil center being aligned in the pupil image, so that the tested eyes are located at the default test position.
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| CN201811137987.6A CN109480764A (en) | 2018-09-27 | 2018-09-27 | Hand-held optometry unit and optometry method |
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| CN201811137987.6A CN109480764A (en) | 2018-09-27 | 2018-09-27 | Hand-held optometry unit and optometry method |
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Application publication date: 20190319 |