CN113017701A - Corneal refractive postoperative IOL FY-L computing system - Google Patents
Corneal refractive postoperative IOL FY-L computing system Download PDFInfo
- Publication number
- CN113017701A CN113017701A CN202110211251.4A CN202110211251A CN113017701A CN 113017701 A CN113017701 A CN 113017701A CN 202110211251 A CN202110211251 A CN 202110211251A CN 113017701 A CN113017701 A CN 113017701A
- Authority
- CN
- China
- Prior art keywords
- module
- eye
- corneal
- data
- computing system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/10—Eye inspection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
- A61B8/5223—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for extracting a diagnostic or physiological parameter from medical diagnostic data
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physiology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Ophthalmology & Optometry (AREA)
- Eye Examination Apparatus (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses a corneal refractive surgery IOL FY-L computing system, which comprises a central processing unit and an accelerator, wherein the central processing unit comprises a data processor and an image processor; the data processor comprises a data receiving module, a data storage module, a calculation module and a data output module, wherein the calculation module comprises an eye axis measurement module and a corneal curvature measurement module, the eye axis measurement adopts a biological measurement module, and the biological measurement comprises an acoustic measurement module and an optical measurement module; the acoustic measurement module adopts an ultrasonic technology to measure the sound velocity of each tissue in the eye, and the optical measurement module is a B-ultrasonic imaging module and displays two-dimensional information in the eye; the output end of the B ultrasonic imaging module is connected with the input end of an image processor, and the output end of the image processor is provided with an image output module. Compared with the prior art, the invention has the advantages that: the integration level is higher, and a equipment can calculate multiple numerical value, and calculates comparatively accurately.
Description
Technical Field
The invention relates to the technical field of a computing system after corneal refraction, in particular to an IOL FY-L computing system after corneal refraction.
Background
Corneal refractive surgery is a method for correcting myopia, hyperopia and astigmatism. According to international standards, there are 13 major categories, namely corneal surgery, crystallography and scleral surgery, depending on the site of the surgery.
Generally, various examination and nuclear care needs to be carried out after the operation to ensure the success of the operation, so that IOL calculation is needed, the IOL calculation influence factors after the corneal refractive surgery are more, the numerical information to be calculated and measured is very much and more important, the existing measurement and calculation after the operation needs to use a plurality of independent measuring instruments, the instrument integration degree of the measurement and calculation is lower, and simultaneously, the measurement and calculation is troublesome, wherein the cornea after the excimer myopia refractive surgery is carried out is not accurate enough, the corneal curvature measured by a keratometer or a corneal topography is not accurate enough, if the calculated corneal curvature is larger than an actual value, different degrees of hyperopia of a patient can be caused after the implantation of a corresponding artificial lens, and therefore, the calculation accuracy after the keratology is particularly important.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the technical defects and provide the IOL FY-L calculating system after the corneal refraction, the integration level is higher, one device can calculate various numerical values, and the calculation is more accurate.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a post-corneal refractive IOL FY-L computing system comprising a central processor including a data processor and an image processor, and an accelerator;
the data processor comprises a data receiving module, a data storage module, a calculation module and a data output module, wherein the calculation module comprises an eye axis measuring module and a corneal curvature measuring module, the eye axis measuring module adopts a biological measuring module, and the biological measuring module comprises an acoustic measuring module and an optical measuring module;
the acoustic measurement module adopts an ultrasonic technology to measure the sound velocity of each tissue in the eye, and the optical measurement module is a B-ultrasonic imaging module and displays two-dimensional information in the eye;
the output end of the B ultrasonic imaging module is connected with the input end of an image processor, and the output end of the image processor is provided with an image output module;
the accelerator is connected with the data processor and the image processor, the input end of the computing module is connected with the data receiving module, and the output end of the computing module is connected with the data output module.
Preferably, the acoustic measurement module is suitable for any one of the eye axis ranges of 22-25mm, more than 25mm and less than 22mm, measures each eye not less than 6 times, and has an average error less than 0.08.
Preferably, the optical measurement module is suitable for the three-level or below of the lens nucleus, the eyesight is larger than 0.1, the optical measurement module measures each eye for no less than 6 times, and an average value is taken to be compared with a standard value.
Preferably, the corneal curvature measuring module measures a K value, compares the K value with a standard value, normally substitutes into a calculation formula for calculation, and abnormally displays the cause.
Preferably, the abnormal K-value is manifested as corneal over-flattening, corneal over-convexity, and highly astigmatic nuclear keratoconus.
Compared with the prior art, the invention has the advantages that: the calculation system can measure and calculate the numerical value of the eye axis and the numerical value of the corneal curvature, and an average value is obtained through multiple measurements, so that the accuracy of measurement and calculation is greatly improved, meanwhile, images of eyes and various calculation and measurement numerical values can be output through B-mode ultrasonic imaging in optical measurement, the image and the calculation and measurement numerical values are good in image and text and high in integration level, and one device can calculate various numerical values and is accurate in calculation.
Drawings
FIG. 1 is a flow chart of the post-corneal refractive IOL FY-L computing system of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A post-corneal refractive IOL FY-L computing system comprising a central processor including a data processor and an image processor, and an accelerator;
the data processor comprises a data receiving module, a data storage module, a calculation module and a data output module, wherein the calculation module comprises an eye axis measuring module and a corneal curvature measuring module, the eye axis measuring module adopts a biological measuring module, and the biological measuring module comprises an acoustic measuring module and an optical measuring module;
the acoustic measurement module adopts an ultrasonic technology to measure the sound velocity of each tissue in the eye, and the optical measurement module is a B-ultrasonic imaging module and displays two-dimensional information in the eye;
the output end of the B ultrasonic imaging module is connected with the input end of an image processor, and the output end of the image processor is provided with an image output module;
the accelerator is connected with the data processor and the image processor, the input end of the computing module is connected with the data receiving module, and the output end of the computing module is connected with the data output module.
The applicable eye axis range of the acoustic measurement module is any one of 22-25mm, more than 25mm and less than 22mm, the acoustic measurement module measures each eye not less than 6 times, and the average error is less than 0.08.
The optical measurement module is suitable for the crystalline nucleus to be below three levels, the eyesight is larger than 0.1, the optical measurement module measures each eye for no less than 6 times, and the average value is compared with the standard value.
The corneal curvature measuring module measures a K value, compares the K value with a standard value, normally substitutes into a calculation formula for calculation, and abnormally displays the cause.
Abnormal K values are indicated as corneal over-flattening, corneal over-convexity, and highly astigmatic nuclear keratoconus.
When the invention is implemented specifically, the acoustic measurement in the biological measurement can measure and calculate the sound velocity of each tissue of the cornea, the vitreous body, the crystalline lens and the liquid substance in the eye, and the sound velocity is output through the data output module; two-dimensional images in eyes and parameter information can be output through a B ultrasonic imaging module in optical measurement, meanwhile, the acoustic measurement is suitable for all patients, whether the normal axis of the eye, the overlong axis of the eye or the broken axis of the eye, and the binocular measurement is not less than 6 times, the measurement result is averaged, the measurement and calculation data are ensured to be more accurate, in addition, the corneal curvature measuring module can rapidly measure and calculate the K value under the acceleration state of the accelerator, the K value is compared with a stored standard value, whether the eyes are normal or not is rapidly analyzed through the K value, while in abnormal cases can show corneal over-flattening, corneal over-convexity, keratoconus or high astigmatism, and the reasons for the simultaneous display are various, the functions are various, the integration level is high, one device can calculate various numerical values, and the calculation is accurate.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A post-corneal refractive IOL FY-L computing system, characterized by: the system comprises a central processing unit and an accelerator, wherein the central processing unit comprises a data processor and an image processor;
the data processor comprises a data receiving module, a data storage module, a calculation module and a data output module, wherein the calculation module comprises an eye axis measuring module and a corneal curvature measuring module, the eye axis measuring module adopts a biological measuring module, and the biological measuring module comprises an acoustic measuring module and an optical measuring module;
the acoustic measurement module adopts an ultrasonic technology to measure the sound velocity of each tissue in the eye, and the optical measurement module is a B-ultrasonic imaging module and displays two-dimensional information in the eye;
the output end of the B ultrasonic imaging module is connected with the input end of an image processor, and the output end of the image processor is provided with an image output module;
the accelerator is connected with the data processor and the image processor, the input end of the computing module is connected with the data receiving module, and the output end of the computing module is connected with the data output module.
2. The post-corneal refractive IOL FY-L computing system of claim 1, wherein: the applicable eye axis range of the acoustic measurement module is any one of 22-25mm, more than 25mm and less than 22mm, the acoustic measurement module measures each eye not less than 6 times, and the average error is less than 0.08.
3. The post-corneal refractive IOL FY-L computing system of claim 1, wherein: the optical measurement module is suitable for the crystalline nucleus to be below three levels, the eyesight is larger than 0.1, the optical measurement module measures each eye for no less than 6 times, and the average value is compared with the standard value.
4. The post-corneal refractive IOL FY-L computing system of claim 1, wherein: the corneal curvature measuring module measures a K value, compares the K value with a standard value, normally substitutes into a calculation formula for calculation, and abnormally displays the cause.
5. The corneal refractive post-operative IOL FY-L computing system of claim 4, wherein: abnormal K values are indicated as corneal over-flattening, corneal over-convexity, and highly astigmatic nuclear keratoconus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110211251.4A CN113017701A (en) | 2021-02-25 | 2021-02-25 | Corneal refractive postoperative IOL FY-L computing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110211251.4A CN113017701A (en) | 2021-02-25 | 2021-02-25 | Corneal refractive postoperative IOL FY-L computing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113017701A true CN113017701A (en) | 2021-06-25 |
Family
ID=76462372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110211251.4A Pending CN113017701A (en) | 2021-02-25 | 2021-02-25 | Corneal refractive postoperative IOL FY-L computing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113017701A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282852A (en) * | 1992-09-02 | 1994-02-01 | Alcon Surgical, Inc. | Method of calculating the required power of an intraocular lens |
| CN1553783A (en) * | 2001-09-10 | 2004-12-08 | ʿ | Intraocular lens derivation system |
| CN104000623A (en) * | 2014-04-24 | 2014-08-27 | 温州医科大学 | Measurement method and measurement device for acoustic velocity of eye-axis tissue on basis of photoacoustic effect |
| CN109683311A (en) * | 2019-01-14 | 2019-04-26 | 杭州明视康眼科医院有限公司 | A kind of diopter calculation method of artificial lens |
-
2021
- 2021-02-25 CN CN202110211251.4A patent/CN113017701A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282852A (en) * | 1992-09-02 | 1994-02-01 | Alcon Surgical, Inc. | Method of calculating the required power of an intraocular lens |
| CN1553783A (en) * | 2001-09-10 | 2004-12-08 | ʿ | Intraocular lens derivation system |
| CN104000623A (en) * | 2014-04-24 | 2014-08-27 | 温州医科大学 | Measurement method and measurement device for acoustic velocity of eye-axis tissue on basis of photoacoustic effect |
| CN109683311A (en) * | 2019-01-14 | 2019-04-26 | 杭州明视康眼科医院有限公司 | A kind of diopter calculation method of artificial lens |
Non-Patent Citations (5)
| Title |
|---|
| 刘宝林等: "《乡村医师实用手册》", 28 February 2007 * |
| 刘新荣: "《准分子激光屈光性角膜手术学》", 30 November 2000 * |
| 宾莉等: "两种仪器测量角膜曲率及其半径的效果比较", 《西部医学》 * |
| 张振平: "《晶状体病学》", 30 June 2005 * |
| 石一宁等: "《临床光学》", 31 July 2018 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100353907C (en) | Objective manifest refraction | |
| Tonn et al. | Anterior surface–based keratometry compared with Scheimpflug tomography–based total corneal astigmatism | |
| Nakagawa et al. | Higher-order aberrations due to the posterior corneal surface in patients with keratoconus | |
| Guirao et al. | Corneal aberrations before and after small-incision cataract surgery | |
| US6817714B2 (en) | Method and apparatus relating to the optical zone of an optical element | |
| CN103533882B (en) | Methods of predicting the post-operative position of an iol and uses of such methods | |
| EP1424932B1 (en) | Intraocular lens derivation system | |
| US20110242482A1 (en) | System and Method for Determining and Predicting IOL Power in Situ | |
| RU2013143170A (en) | MEASUREMENT / DISPLAY / RECORDING / PLAYBACK OF WAVE FRONT DATA FOR USE IN VISION CORRECTION PROCEDURES | |
| US20100039614A1 (en) | System and method for prescription of visual aids | |
| Win-Hall et al. | Objective accommodation measurements in pseudophakic subjects using an autorefractor and an aberrometer | |
| BR112019014840B1 (en) | COMPUTER-IMPLEMENTED METHOD FOR DETERMINING RELEVANT CUSTOM PARAMETERS OF AT LEAST ONE EYE OF AN EYEGLASSES WEARER, COMPUTER-IMPLEMENTED METHOD FOR CALCULATING OR OPTIMIZING AN EYEGLASSES LENS, DEVICE FOR DETERMINING RELEVANT CUSTOM PARAMETERS, DEVICE FOR CALCULATING OR THE TIMIZE A GLASSES LENS, AND METHOD AND DEVICE FOR PRODUCING A GOGGLE LENS | |
| Kim et al. | Change in anterior and posterior curvature after cataract surgery | |
| Olsen et al. | Ray-tracing analysis of the corneal power from Scheimpflug data | |
| KR102035175B1 (en) | Determining physical lengths in an eye using multiple refractive indices | |
| CN113886996A (en) | Postoperative arch height prediction method for intraocular lens implantation with lens and electronic equipment | |
| Tang et al. | A multicenter study of the distribution pattern of posterior-to-anterior corneal curvature radii ratio in Chinese myopic patients | |
| CN110123488B (en) | Intraocular lens diopter verification lens and value fixing method | |
| CN113017701A (en) | Corneal refractive postoperative IOL FY-L computing system | |
| RU2388437C1 (en) | Method of determining dimensions of posterior chamber phakic intraocular lens | |
| Tutchenko et al. | The relationship between angle kappa and astigmatism after phacoemulsification with implanting of spherical and aspheric intraocular lens | |
| Zou et al. | Effects of crystalline lens rise and anterior chamber parameters on vault after implantable collamer lens placement | |
| CN210494318U (en) | Intraocular lens diopter checking lens | |
| Kolosky et al. | Anterior Chamber Depth and Lens Thickness Measurements in Pediatric Eyes: Ultrasound Biomicroscopy Versus Immersion A-Scan Ultrasonography | |
| JP2020507381A (en) | Actual astigmatism correction and nomograph calculation for corneal laser treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
|
| RJ01 | Rejection of invention patent application after publication |