WO2019178862A1 - Verre conforme au rapport de résolution rétinienne, et prescription d'adaptation et procédé de fabrication associé - Google Patents

Verre conforme au rapport de résolution rétinienne, et prescription d'adaptation et procédé de fabrication associé Download PDF

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Publication number
WO2019178862A1
WO2019178862A1 PCT/CN2018/080304 CN2018080304W WO2019178862A1 WO 2019178862 A1 WO2019178862 A1 WO 2019178862A1 CN 2018080304 W CN2018080304 W CN 2018080304W WO 2019178862 A1 WO2019178862 A1 WO 2019178862A1
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WO
WIPO (PCT)
Prior art keywords
lens
design
optical
manufacturing
patient
Prior art date
Application number
PCT/CN2018/080304
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English (en)
Chinese (zh)
Inventor
贺晓宁
普拉莫威廉
杰立莫罕默德
方绚莱
陈昱
夏春光
冯玉林
Original Assignee
深圳摩方材料科技有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 深圳摩方材料科技有限公司 filed Critical 深圳摩方材料科技有限公司
Priority to PCT/CN2018/080304 priority Critical patent/WO2019178862A1/fr
Publication of WO2019178862A1 publication Critical patent/WO2019178862A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive

Definitions

  • the invention belongs to the technical field of fitting and manufacturing of lenses, in particular to a lens conforming to retina resolution and a fitting prescription and a manufacturing method thereof.
  • Ordinary routine optometry refers to the optician optometry in general optical shops. Its purpose is only to let the ametropia see the object, and the operation methods and steps are relatively simple. Medical optometry must first have a high-precision, high-cost comprehensive refractometer, and strict requirements for optometrists, must be eye optometry physicians who are familiar with clinical ophthalmology and optometry. Medical optometry is generally tested by the trial frame. According to the patient's response, the physician makes corresponding adjustments to obtain the most suitable prescription for the patient. If there is a patient with implicit oblique and external oblique, the optometry physician will adjust the prescription of the prescription as appropriate. . This optometry prescription not only makes the patient comfortable to wear, sees clearly, but also provides long-lasting reading and work.
  • the current fitting prescription lacks the database storage unit required for personalization.
  • the fitting prescription also requires more data storage units to cover the various situations encountered by professional eye care personnel in practical applications, including optimizing the design parameters of the glasses according to the age and occupational factors of different patients. .
  • a prescription for a precision vision correcting lens that meets retina resolution must include simultaneous accurate correction of power and astigmatism to a resolution less than the retina resolution of the human eye, rather than correcting only second-order astigmatism or correcting all aberrations simultaneously.
  • the process of customized visual correction program is: optometry, garage processing, customized processing, assembly.
  • data acquisition and lens processing are performed separately, resulting in large manufacturing and assembly work, and information communication errors make it difficult to obtain products that meet optometry health standards and high comfort.
  • the present invention proposes a lens conforming to retinal resolution and a fitting prescription and manufacturing method thereof, which can significantly improve vision and reduce eye discomfort caused by wearing.
  • the present invention is implemented as follows:
  • a fitting prescription for a lens conforming to retina resolution comprising the steps of: S1, measuring optical characteristic data of a patient's eye, including characteristic data sets of wavefront aberration and corneal topographic data, and transmitting to a computer interface for creation Calculating the basis of the model eye, wherein the measurement accuracy of the aberration is expressed as a power difference ⁇ 0.06D; S2, the computer converts the optical characteristic data into function information; S3, the function information is fed to the optical aided design module, optically assisted The design module completes the preliminary design of the lens; S4, the preliminary design of the lens is evaluated by the optical analysis module, including feedback of the visual performance results to the optical aided design module by calculating the model eye to redesign and optimize the lens design until The power correction is set to cancel the aberration between -0.03D and +0.03D; simultaneously correct two to five of the power aberrations; S5, the optical design parameters, the segmentation design parameters, and The patient's age and occupational factors are provided to the computer database; S6, the computer searches through the database to further optimize the
  • the S6 further includes further optimizing the design of the lens by gradually adding and subtracting the diopter change ⁇ 0.12D lens inserting pattern in front of the patient's eyes, and finally determining the most suitable lens.
  • a power meter or a wavefront sensor is used to measure optical property data of a patient's eye.
  • the optically assisted design module performs a preliminary design of the lens by optical design software, including ZEMAX and Onshape, the preliminary design including a double-sided free-form surface design.
  • the optical design parameters include a pupil diameter range, an alternating/simultaneous function, and a monocular/binocular function, the segmented design parameters including the area and area of the region, discrete/progressive regions.
  • a method of manufacturing a lens conforming to retinal resolution comprising using the fitting prescription according to any one of claims 1-5, and comprising the step of: S7, optical analysis from S6 by a conversion module
  • the result data of the module is converted into a format that can be used by the mechanical module to conform to the design format of the mechanical production;
  • S8 the lens is manufactured using a 3D printer or a CNC machine cutting system.
  • the lens is made of a photocurable or thermosetting resin material.
  • a lens conforming to the resolution of the retina is produced by the manufacturing method according to claim 6 or 7.
  • the diopter change interval of the lens ranges from 5 to 25 degrees.
  • the diopter change interval of the lens is less than 5 degrees.
  • the lens design conforming to the retina resolution is obtained by controlling the measurement precision and the correction precision; and the design parameters of the glasses according to the age and occupation factors of different patients are satisfied by establishing a database required for personalization customization. optimize.
  • the fitting and manufacturing of the lens are seamlessly connected, the information is intercommunicated, and the work difference is smaller.
  • the present invention provides an optometry system for a precision optometry sheet having a smaller variation interval.
  • the optometry of the national standard system is a change interval of 25 degrees, and the lens of the optometry system of the invention can be changed between 5-25 degrees, and the lens change interval can be backward compatible with the 25 degree change of the national standard. Interval; it can be finely divided within 5 degrees, which is more accurate than the national standard system, and highlights the manufacturing ability of high-precision customized lenses.
  • FIG. 1 is a schematic flow chart of a fitting prescription and a manufacturing method of a lens conforming to retinal resolution.
  • the high-precision customized power meter or wavefront sensor here refers to an optical instrument that can satisfy the above measurement accuracy.
  • the computer converts the optical characteristic data into function information.
  • optical computing aid CAD
  • the optical aid design module completes the preliminary design of the lens through optical design software, including but not limited to double-sided free-form surface design such as toroidal defocus.
  • Optical design software includes, but is not limited to, commercial lens software such as ZEMAX, Onshape, and self-developed free-form optical designs.
  • the preliminary design of the lens is evaluated by the optical analysis module, including feeding the result of the visual performance to the optical auxiliary design module through the calculation model generated based on the set of characteristic data, to redesign and optimize the design of the lens until the optical focus
  • the degree correction is accurately set to cancel the aberration between -0.03D and +0.03D; while correcting two to five of the power aberrations.
  • correcting two to five of the power aberrations at the same time means that the power of different positions of the human eye is different, and the correction of 2-5 points is satisfied, that is, multi-focus.
  • optical design parameters eg pupil diameter range, alternating/simultaneous function, monocular/binocular function
  • segmented design eg area of area and area, discrete/progressive area, etc.
  • age and occupational factors of the patient Provided to the computer database.
  • the lens is manufactured by using a 3D printer and a numerical control machine cutting system by analyzing the designed lens surface, and the material is a photocurable or thermosetting resin material.
  • the high-precision customized power meter or wavefront aberration measurement technology conforming to the physical principle can be used to accurately distinguish the optometry by ⁇ 0.06D.
  • it can not only help the need for accurate vision correction, but also ensure that there is no discomfort such as dizziness and swelling after wearing.
  • optical analysis module it can meet the basic requirements of optometry, and can meet the visually comfortable closest clear interval (for example: 4.10D is more comfortable than 4.25D, no discomfort such as dizziness, and clearer than 4.00D).
  • the optical analysis module of the present invention includes simultaneous accurate correction of power and astigmatism to less than the human eye retina resolution limit (focus interval ⁇ ⁇ 0.06 D), rather than correcting only second-order astigmatism or simultaneously correcting all aberrations.
  • the correction accuracy can be reasonably matched with the manufacturing error of advanced free-form surface processing technology, providing a method for mass customization of precise vision correction lenses.
  • the diopter change interval of the lens of Example 1 can be in the range of 5-25 degrees.
  • the lenses used in the national standard are 25-degree interval changes.
  • the patient can finally provide prescription glasses with a range of 5 degrees, and with customized lenses.
  • the manufacturing capability, the lens change interval can be backward compatible to the 25-degree variation range of the national standard, and the lens can be provided with more precise, retinal resolution and more comfortable lenses.
  • more precise free-form surface digital manufacturing can be realized, for example, a non-rotation-symmetric special curved surface that changes the aspherical surface of the lens meridian to another lens meridian.
  • Such lenses are effective in improving the clear vision of a wearer with astigmatism maintaining a large viewing angle.
  • Example 2 - Example 4 Example 1 is further illustrated by a true fitting and manufacturing example.
  • the optometry data is input into the computer.
  • the computer works according to the patient's work, and uses the characteristics of the eye environment at a close distance to correct the initial data, and obtains the parameters of the left eye: -2.53, right eye: -2.53.
  • the material with a refractive index of 1.597 is selected for the next model design process.
  • the corrective effect after the patient is worn is simulated, and the optometry sheet of the 5-degree change interval is actually worn and corrected to further confirm the comfort of use.
  • the best correction plan for obtaining the patient 2 is: left eye: -2.55, right eye: -2.55.
  • the optometry and correction of the current national standard 25 degree interval are used for optometry and correction, which can only be selected in the left eye: -2.50, right eye: -2.50 or left eye: -2.75, right eye: -2.75;
  • the optometry and correction are performed using a 10 degree interval optometry, which can only be selected in the left eye: -2.50, right eye: -2.50 or left eye: -2.60, right eye: -2.60;
  • the optometry data can be accurately obtained and corrected to: left eye: -2.55, right eye: -2.55.
  • the optometry data is input into the computer, and the computer works according to the patient's work, and the eye environment is relatively close at a close distance, and has the characteristics of myopia and astigmatism, and the initial data is corrected.
  • the material with a refractive index of 1.597 is selected for the next model design process.
  • the corrective effect of the patient after wearing is simulated to further confirm the comfort of use.
  • the parameters obtained were left eye: -3.45/-0.75/2, right eye: -2.25/-1/155.
  • the lens is manufactured by high-precision 3D printing according to the design characteristics of the lens, and the material selected is a photocurable optical resin material. After printing, the lens is cleaned and post-treated, and then subjected to surface coating treatment.
  • the lens having a diopter change interval of less than 5 degrees can be further obtained under the condition of further improving the measurement accuracy, the calibration accuracy, and the precision of the manufacturing equipment. Therefore, the object of the present invention is not only to obtain a lens with a certain diopter change interval, but also to further improve the accuracy of the optometry system and further improve the manufacturing capability of the customized lens.

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

La présente invention porte sur une prescription d'adaptation concernant un verre conforme au rapport de résolution rétinienne, consistant tout d'abord à mesurer des premières caractéristiques optiques d'un patient (2) et à transmettre les caractéristiques optiques à un ordinateur, à réaliser une conception à l'aide d'un module de conception optique assistée par ordinateur, à réaliser une évaluation à l'aide d'un module d'analyse optique, à introduire une extraction de base de données, à effectuer une simulation au moyen d'un système de simulation optique, et enfin à réaliser une conversion afin d'obtenir un format de conception conforme à la production mécanique et à fabriquer un verre à l'aide d'une imprimante 3D ou d'un système de coupe d'une machine-outil à commande numérique. L'invention porte également sur un verre conforme au rapport de résolution rétinienne, et sur son procédé de fabrication. Selon la prescription d'adaptation, la conception d'un verre conforme au rapport de résolution rétinienne peut être obtenue en contrôlant la précision de mesure et de correction, en établissant une base de données en vue d'une personnalisation personnalisée, des paramètres de conception des lunettes sont optimisés selon des facteurs d'âge et professionnels de différents patients, de sorte que l'adaptation et la fabrication d'un verre peuvent être parfaitement intégrées, des informations sont communiquées entre ces derniers, la tolérance est inférieure, les lunettes peuvent améliorer significativement la vue, et la gêne sur les yeux causée par le port des lunettes est réduite.
PCT/CN2018/080304 2018-03-23 2018-03-23 Verre conforme au rapport de résolution rétinienne, et prescription d'adaptation et procédé de fabrication associé WO2019178862A1 (fr)

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PCT/CN2018/080304 WO2019178862A1 (fr) 2018-03-23 2018-03-23 Verre conforme au rapport de résolution rétinienne, et prescription d'adaptation et procédé de fabrication associé

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021097209A1 (fr) * 2019-11-14 2021-05-20 Digiteyez Technologies Llc Système et procédé de détermination de prescription de lentilles correctrices à l'aide de calculs prédictifs et d'une simulation de vue corrigée

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1991643A (zh) * 2005-12-30 2007-07-04 财团法人工业技术研究院 设计及制作镜头模块的方法及系统
CN102713728A (zh) * 2009-11-13 2012-10-03 依视路国际集团（光学总公司） 通过计算或选择设计提供眼镜镜片的方法
CN102947747A (zh) * 2010-04-20 2013-02-27 卡尔蔡司视觉国际有限责任公司 针对眼睛和透镜的波前像差优化眼镜透镜的方法
CN105339833A (zh) * 2013-02-11 2016-02-17 卡尔蔡司光学国际有限公司 用于确定镜片验光单的方法和系统
WO2017196948A1 (fr) * 2016-05-10 2017-11-16 Materialise N.V. Procédé de conception et de mise en place d'un verre de lunettes à l'intérieur d'une monture de lunettes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1991643A (zh) * 2005-12-30 2007-07-04 财团法人工业技术研究院 设计及制作镜头模块的方法及系统
CN102713728A (zh) * 2009-11-13 2012-10-03 依视路国际集团（光学总公司） 通过计算或选择设计提供眼镜镜片的方法
CN102947747A (zh) * 2010-04-20 2013-02-27 卡尔蔡司视觉国际有限责任公司 针对眼睛和透镜的波前像差优化眼镜透镜的方法
CN105339833A (zh) * 2013-02-11 2016-02-17 卡尔蔡司光学国际有限公司 用于确定镜片验光单的方法和系统
WO2017196948A1 (fr) * 2016-05-10 2017-11-16 Materialise N.V. Procédé de conception et de mise en place d'un verre de lunettes à l'intérieur d'une monture de lunettes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021097209A1 (fr) * 2019-11-14 2021-05-20 Digiteyez Technologies Llc Système et procédé de détermination de prescription de lentilles correctrices à l'aide de calculs prédictifs et d'une simulation de vue corrigée
EP4057886A4 (fr) * 2019-11-14 2024-03-13 Digiteyez Corp Système et procédé de détermination de prescription de lentilles correctrices à l'aide de calculs prédictifs et d'une simulation de vue corrigée

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