CN112998644B - Intelligent optometry unit with left and right eye full-automatic tracking function and working method thereof - Google Patents
Intelligent optometry unit with left and right eye full-automatic tracking function and working method thereof Download PDFInfo
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- CN112998644B CN112998644B CN202110384107.0A CN202110384107A CN112998644B CN 112998644 B CN112998644 B CN 112998644B CN 202110384107 A CN202110384107 A CN 202110384107A CN 112998644 B CN112998644 B CN 112998644B
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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
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
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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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
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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
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- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
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Abstract
The invention relates to an intelligent optometry unit for full-automatic tracking of left and right eyes and a working method thereof. The invention realizes full-automatic optometry by combining the observation window module and the projection mechanism and moving and adjusting the three-degree-of-freedom motion module, can automatically measure accurate refraction parameters only by aligning eyes of a photographer with the observation window, and forms a report for printing; the optometry data are more accurate; the detection efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of optometry instruments, in particular to an intelligent optometry instrument capable of fully automatically tracking left and right eyes and a working method thereof.
Background
At the present stage, the traditional physical keys and manual operation are generally used as the main parts of the domestic optometry instrument, the optometry process is long, a patient has a rest for many times in the optometry process, the optometry mode needs continuous interaction between an optometrist and the patient, the human eyes are searched and positioned, time and labor are consumed, the measurement accumulated error is large, and the optometry result is poor in accuracy.
Disclosure of Invention
The invention aims to provide an intelligent optometry instrument capable of fully automatically tracking left and right eyes and a working method thereof, and aims to solve the problems that an optometry instrument in the prior art is complex in operation and poor in optometry accuracy.
The invention provides an intelligent optometry unit for full-automatic tracking of left and right eyes, which comprises a core control module, a server, a display module, a user terminal, a three-degree-of-freedom motion module, an observation window module and a projection mechanism,
the core control module is connected with a user terminal through a server, the user terminal realizes the real-time control of the optometry instrument, the core control module is also connected with a display module and a signal processing module, the display module is a control interface, the signal processing module is used for collecting data signals to process data or images, converting the data signals into moving instructions and sending the moving instructions to the core control module,
the observation window module comprises an infrared light detection mechanism and a photographic mechanism, the infrared light detection mechanism is used for acquiring field information to realize the eye position detection and alignment function and sending a signal to the signal processing module, and the three-degree-of-freedom motion module is connected with the core control module and is used for receiving a motion instruction of the core control module and carrying out motion in three directions; the photographing mechanism is used for tracking the position of an eyeball, and the light outlet of the photographing mechanism is positioned at the exit pupil;
the projection mechanism comprises a COMS measuring camera, a visual chart, an LED light source, an objective lens, a collimating lens, a semi-transparent semi-reflecting mirror A, a semi-transparent semi-reflecting mirror B, a condenser group, a projection group and a differentiation plate, wherein light beams emitted by the LED light source pass through the condenser group, the semi-transparent semi-reflecting mirror A and the semi-transparent semi-reflecting mirror B and are finally projected to form parallel light beams through the objective lens, the light beams are reflected by a retina of an eye and then pass through the semi-transparent semi-reflecting mirror A, one part of light passes through the projection group to the visual chart, and the other part of light passes through the semi-transparent semi-reflecting mirror B and the collimation lens to the differentiation plate and is sampled by the COMS measuring camera.
The system further comprises a printing module, and the printing module is used for printing out the shot picture and the diagnosis information to form a report.
Furthermore, the optometry instrument further comprises a power module and a communication module, and the power module and the communication module are used for providing power and communication for the optometry instrument.
Further, the system also comprises a storage module used for storing the user information and the streaming media data.
Further, the user terminal is a computer.
The invention provides a working method of the intelligent optometry instrument for full-automatic tracking of the left eye and the right eye, which comprises the following steps:
(1) the infrared light detection mechanism of the observation window module detects the eyes of the patient and sends a signal to the signal processing module;
(2) the signal processing module processes data or images of the data signals, converts the data signals into movement instructions and sends the movement instructions to the core control module;
(3) the core control module sends the movement instruction to the three-degree-of-freedom movement module, and the three-degree-of-freedom movement module executes the movement positioning action of the equipment according to the received movement instruction, identifies the left and right eye positions of the patient and positions the eye positions;
(4) after the positioning of the eye position is completed, the core control module sends a measurement instruction to the projection mechanism, and the projection mechanism starts measurement shooting;
(5) the core processing module receives the measurement data in real time, sends the measurement data to the server, compares the information and sends the test result data to the user terminal;
(6) and the user terminal displays the data information.
Further, the starting of the measurement shooting by the projection mechanism in the step (4) is specifically as follows: the LED light source emits light beams, the light beams pass through the condenser lens group, the semi-transparent semi-reflective lens A and the semi-transparent semi-reflective lens B and finally pass through the objective lens to project parallel light beams, the light beams are reflected by the retina of eyes and then pass through the semi-transparent semi-reflective lens A, one part of light passes through the projection lens group to the visual acuity chart, the other part of light passes through the semi-transparent semi-reflective lens B and the collimating lens to the differentiation plate and is sampled by the measuring COMS camera.
The technical scheme of the invention has the beneficial effects that:
the invention realizes full-automatic optometry by combining the observation window module and the projection mechanism and moving and adjusting the three-degree-of-freedom motion module, can automatically measure accurate refraction parameters only by aligning eyes of a photographer with the observation window, and forms a report for printing; the optometry data is more accurate; the detection efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of an intelligent optometry apparatus for full-automatic tracking of left and right eyes according to the present invention;
FIG. 2 is a schematic view of a projection mechanism according to the present invention;
FIG. 3 is a flow chart of the work of the intelligent optometry apparatus for full automatic tracking of the left and right eyes according to the present invention;
in the drawings, the reference numbers indicate the following list of parts:
the system comprises a 1-COMS measuring camera, a 2-visual chart, a 3-LED light source, a 4-objective lens, a 5-collimating lens, a 6-semi-transparent and semi-reflective lens A, a 7-semi-transparent and semi-reflective lens B, an 8-condenser group and a 9-projection group.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1, the present invention relates to an intelligent optometry unit for full-automatic tracking of left and right eyes, which comprises a core control module, a server, a display module, a user terminal, a three-degree-of-freedom motion module, an observation window module and a projection mechanism, wherein the core control module is connected to the user terminal through the server, the user terminal realizes real-time control of the optometry unit, the core control module is further connected to the display module and a signal processing module, the display module is specifically an operation interface, the signal processing module is used for collecting data signals, processing the data signals or images, converting the data signals into movement instructions and sending the movement instructions to the core control module, the observation window module comprises an infrared light detection mechanism and a photography mechanism, the infrared light detection mechanism is used for collecting field information, realizing a function of detecting and aligning eye positions, and sending signals to the signal processing module, the three-degree-of-freedom motion module is connected to the core control module, the device is used for receiving a motion instruction of the core control module and carrying out up-and-down, left-and-right and front-and-back three-direction motion; the photographing mechanism is used for tracking the position of the eyeball, the light outlet of the photographing mechanism is positioned at the exit pupil, and the exit pupil is the observation position of the eyeball to be detected;
as shown in fig. 2, the projection mechanism includes a COMS measurement camera 1, a visual chart 2, an LED light source 3, an objective lens 4, a collimating lens 5, a half mirror a6, a half mirror B7, a condenser lens group 8, a projection lens group 9, and a differentiation plate 10, wherein the objective lens 4, the half mirror a6, the projection lens group 9, and the visual chart 2 are sequentially arranged from front to back, the half mirror a6, the half mirror B7, the collimating lens 5, the differentiation plate 10, and the COMS measurement camera 1 are sequentially arranged from top to bottom, and the half mirror B7, the condenser lens group 8, and the LED light source 3 are sequentially arranged from front to back; the working principle of the projection mechanism is as follows: the LED light source 3 emits light beams, the light beams pass through the condenser lens group 8, the semi-transparent and semi-reflective lens A6 and the semi-transparent and semi-reflective lens B7 and finally pass through the objective lens 4 to project parallel light beams, the light beams are reflected by the retina of an eye and then pass through the semi-transparent and semi-reflective lens A6, one part of the light beams pass through the projection lens group 9 to the visual chart 2, and the other part of the light beams pass through the semi-transparent and semi-reflective lens B7 and the collimating lens 5 to the differentiation board 10 and are sampled by the measuring COMS camera.
The system comprises a display module, a printing module and a user terminal, wherein the display module is used for displaying the pictures and the diagnosis information, the user terminal is a computer, and the display module is used for displaying the pictures and the diagnosis information.
The optometry instrument further comprises a power module, a communication module and a storage module, wherein the power module and the communication module are used for providing power and communication for the optometry instrument, and the storage module is used for storing user information and streaming media data.
As shown in fig. 3, the working method of the intelligent optometry apparatus for full-automatic left and right eye tracking specifically includes the following steps:
(1) the infrared light detection mechanism of the observation window module detects the eyes of the patient and sends a signal to the signal processing module;
(2) the signal processing module processes data or images of the data signals, converts the data signals into movement instructions and sends the movement instructions to the core control module;
(3) the core control module sends the movement instruction to the three-degree-of-freedom movement module, and the three-degree-of-freedom movement module executes the movement positioning action of the equipment according to the received movement instruction, identifies the left and right eye positions of the patient and positions the eye positions;
(4) after the positioning of the eye position is completed, the core control module sends a measurement instruction to the projection mechanism, the projection mechanism starts to measure and shoot, the LED light source 3 emits light beams, the light beams pass through the condenser lens group 8, the semi-transparent and semi-reflective lens A6 and the semi-transparent and semi-reflective lens B7 and finally pass through the objective lens 4 to project parallel light beams, the light beams are reflected by the retina of the eye and then pass through the semi-transparent and semi-reflective lens A6, one part of the light passes through the projection lens group 9 to the visual acuity chart 2, and the other part of the light passes through the semi-transparent and semi-reflective lens B7 and the collimating lens 5 to the differentiation board 10 and is sampled by the measurement COMS camera;
(5) the core processing module receives the measurement data in real time, sends the measurement data to the server, compares the information and sends the test result data to the user terminal;
(6) the user terminal displays the data information.
In conclusion, the observation window module and the projection mechanism are combined, the three-degree-of-freedom motion module is used for moving and adjusting, full-automatic optometry is realized, accurate refraction parameters can be automatically measured only by aligning eyes of a photographer with the observation window, and report printing is formed; the optometry data are more accurate; the detection efficiency is greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An intelligent optometry unit for automatically tracking left and right eyes is characterized by comprising a core control module, a server, a display module, a user terminal, a three-degree-of-freedom motion module, an observation window module and a projection mechanism,
the core control module is connected with a user terminal through a server, the user terminal realizes real-time control of the optometry instrument, the core control module is also connected with a display module and a signal processing module, the display module is a control interface, the signal processing module is used for collecting data signals, processing the data or images, converting the data signals into movement instructions and sending the movement instructions to the core control module,
the observation window module comprises an infrared light detection mechanism and a photographic mechanism, the infrared light detection mechanism is used for acquiring field information to realize the eye position detection and alignment function and sending a signal to the signal processing module, and the three-degree-of-freedom motion module is connected with the core control module and is used for receiving a motion instruction of the core control module and carrying out motion in three directions; the photographing mechanism is used for tracking the position of an eyeball, and the light outlet of the photographing mechanism is positioned at the exit pupil;
the projection mechanism comprises a COMS measuring camera, a visual chart, an LED light source, an objective lens, a collimating lens, a semi-transparent semi-reflecting mirror A, a semi-transparent semi-reflecting mirror B, a condenser group, a projection group and a differentiation plate, wherein light beams emitted by the LED light source pass through the condenser group, the semi-transparent semi-reflecting mirror A and the semi-transparent semi-reflecting mirror B, and are finally projected to form parallel light beams through the objective lens, the light beams are reflected by the retina of eyes and then pass through the semi-transparent semi-reflecting mirror A, one part of light passes through the projection group to the visual chart, and the other part of light passes through the semi-transparent semi-reflecting mirror B and the collimation lens to the differentiation plate and is sampled by the measuring COMS camera.
2. The intelligent optometry apparatus for full automatic left and right eye tracking according to claim 1, further comprising a printing module, wherein the printing module is used for printing out the taken pictures and diagnosis information to form reports.
3. The intelligent optometry unit for the full automatic left and right eye tracking of claim 1, further comprising a power module and a communication module for providing power and communication to the optometry unit.
4. The intelligent optometry apparatus for full automatic left and right eye tracking according to claim 1, further comprising a storage module for storing user information and streaming media data.
5. The intelligent optometry unit for the full automatic left and right eye tracking of claim 1, wherein the user terminal is a computer.
6. A working method of an intelligent optometry instrument capable of fully automatically tracking left and right eyes is characterized by comprising the following steps:
(1) the infrared light detection mechanism of the observation window module detects the eyes of the patient and sends a signal to the signal processing module;
(2) the signal processing module processes data or images of the data signals, converts the data signals into movement instructions and sends the movement instructions to the core control module;
(3) the core control module sends the movement instruction to the three-degree-of-freedom movement module, and the three-degree-of-freedom movement module executes the movement positioning action of the equipment according to the received movement instruction, identifies the left and right eye positions of the patient and positions the eye positions;
(4) after the positioning of the eye position is completed, the core control module sends a measurement instruction to the projection mechanism, and the projection mechanism starts measurement shooting;
(5) the core processing module receives the measurement data in real time, sends the measurement data to the server, compares the information and sends the test result data to the user terminal;
(6) the user terminal displays the data information.
7. The working method of the intelligent optometry unit for the full automatic left and right eye tracking of claim 6, wherein the projection mechanism in the step (4) starts to measure and shoot specifically: the LED light source emits light beams, the light beams pass through the condenser lens group, the semi-transparent semi-reflective lens A and the semi-transparent semi-reflective lens B and finally pass through the objective lens to project parallel light beams, the light beams are reflected by the retina of eyes and then pass through the semi-transparent semi-reflective lens A, one part of light passes through the projection lens group to the visual acuity chart, the other part of light passes through the semi-transparent semi-reflective lens B and the collimating lens to the differentiation plate and is sampled by the measuring COMS camera.
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| CN114788682B (en) * | 2022-06-27 | 2022-10-04 | 华慧健(天津)科技有限公司 | Portable intelligent eye health management system based on eye and face feature image processing |
Citations (4)
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| JPH06245909A (en) * | 1993-02-25 | 1994-09-06 | Canon Inc | Ophthalmorefractometer |
| CN206151434U (en) * | 2016-06-25 | 2017-05-10 | 宁波明星科技发展有限公司 | Full -automatic refractometer of synthesizing |
| CN108236452A (en) * | 2017-02-17 | 2018-07-03 | 苏州康捷医疗股份有限公司 | Slit-lamp microscope |
| CN108464812A (en) * | 2018-03-14 | 2018-08-31 | 天津市职业大学 | Rafractive human eye automatic tracking system and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7481535B2 (en) * | 2001-08-02 | 2009-01-27 | Daphne Instruments, Inc. | Complete autorefractor system in an ultra-compact package |
| US6761454B2 (en) * | 2002-02-13 | 2004-07-13 | Ophthonix, Inc. | Apparatus and method for determining objective refraction using wavefront sensing |
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- 2021-04-09 CN CN202110384107.0A patent/CN112998644B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06245909A (en) * | 1993-02-25 | 1994-09-06 | Canon Inc | Ophthalmorefractometer |
| CN206151434U (en) * | 2016-06-25 | 2017-05-10 | 宁波明星科技发展有限公司 | Full -automatic refractometer of synthesizing |
| CN108236452A (en) * | 2017-02-17 | 2018-07-03 | 苏州康捷医疗股份有限公司 | Slit-lamp microscope |
| CN108464812A (en) * | 2018-03-14 | 2018-08-31 | 天津市职业大学 | Rafractive human eye automatic tracking system and method |
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