DE60237657D1 - Linsenprüfung - Google Patents

Linsenprüfung

Info

Publication number
DE60237657D1
DE60237657D1 DE60237657T DE60237657T DE60237657D1 DE 60237657 D1 DE60237657 D1 DE 60237657D1 DE 60237657 T DE60237657 T DE 60237657T DE 60237657 T DE60237657 T DE 60237657T DE 60237657 D1 DE60237657 D1 DE 60237657D1
Authority
DE
Germany
Prior art keywords
transmitted light
schlieren
lens inspection
camera
light method
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.)
Expired - Lifetime
Application number
DE60237657T
Other languages
English (en)
Inventor
Roger Biel
Joachim Linkemann
Livio Fornasiero
Ingolf Braune
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Novartis AG
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.)
Filing date
Publication date
Application filed by Novartis AG filed Critical Novartis AG
Application granted granted Critical
Publication of DE60237657D1 publication Critical patent/DE60237657D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
    • G01M11/0278—Detecting defects of the object to be tested, e.g. scratches or dust
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958—Inspecting transparent materials or objects, e.g. windscreens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Geometry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Eye Examination Apparatus (AREA)
DE60237657T 2001-03-09 2002-03-08 Linsenprüfung Expired - Lifetime DE60237657D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01105961 2001-03-09

Publications (1)

Publication Number Publication Date
DE60237657D1 true DE60237657D1 (de) 2010-10-28

Family

ID=8176737

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60237657T Expired - Lifetime DE60237657D1 (de) 2001-03-09 2002-03-08 Linsenprüfung

Country Status (4)

Country Link
US (1) US6765661B2 (de)
JP (1) JP4246438B2 (de)
AT (1) ATE481628T1 (de)
DE (1) DE60237657D1 (de)

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US9057595B2 (en) 2011-11-30 2015-06-16 Novartis Ag Combination of mirror images to improve signal quality for contact lenses
CN103175569B (zh) * 2011-12-21 2015-07-15 北京兆维电子(集团)有限责任公司 单光源双相机的采集装置
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SG195400A1 (en) * 2012-05-10 2013-12-30 Menicon Singapore Pte Ltd Systems and methods for the inspection of contact lenses
CN102768214B (zh) * 2012-05-28 2014-09-03 明基材料有限公司 隐形眼镜检测系统与方法
CN103245676B (zh) * 2013-03-23 2015-05-20 明基材料有限公司 光学镜片脏污检测方法
SG10201802916QA (en) * 2013-10-08 2018-05-30 Emage Vision Pte Ltd System and method for inspection of wet ophthalmic lens
US20150253257A1 (en) * 2014-03-05 2015-09-10 Novartis Ag Method for automatic inspect of contact lenses
JP6701177B2 (ja) 2014-05-15 2020-05-27 イーメージ ヴィジョン ピーティーイー． エルティーディー．Ｅｍａｇｅ Ｖｉｓｉｏｎ Ｐｔｅ． Ｌｔｄ． 眼内レンズを検査するためのシステムおよび方法
EP3191818B1 (de) * 2014-09-09 2022-05-04 Alcon Inc. Verfahren zur erkennung des vorhandenseins oder nichtvorhandenseins einer kontaktlinse in einem behälter
FR3039660B1 (fr) * 2015-07-30 2017-09-08 Essilor Int Methode de verification d'une caracteristique geometrique et d'une caracteristique optique d'une lentille ophtalmique detouree et dispositif associe
DE102016112439A1 (de) * 2016-03-23 2017-09-28 Gottfried Wilhelm Leibniz Universität Hannover Optisches Messsystem, insbesondere für eine Fertigungsmaschine
CN107966741A (zh) * 2016-10-19 2018-04-27 欧姆龙株式会社 对射型光电传感器和目标检测系统
TWI652469B (zh) * 2017-09-15 2019-03-01 財團法人國家實驗硏究院 用於檢驗隱形眼鏡的檢驗裝置與方法及用於檢驗含水元件的檢驗裝置
EP3588048A1 (de) * 2018-06-21 2020-01-01 Essilor International (Compagnie Generale D'optique) Verfahren zur detektion eines defekts in einem bereich einer optischen linse
KR102181704B1 (ko) * 2019-03-15 2020-11-24 한국세라믹기술원 기포 검출 방식의 렌즈 모듈의 고장 검출 방법
WO2021124101A1 (en) * 2019-12-18 2021-06-24 Alcon Inc. Cuvette for optical analyses
US11861823B2 (en) * 2021-04-27 2024-01-02 Johnson & Johnson Vision Care, Inc. Microfluidic device and method for quantifying contact lens deposition
US20230122214A1 (en) * 2021-10-19 2023-04-20 Johnson & Johnson Vision Care, Inc. Defect detection using synthetic data and machine learning

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Also Published As

Publication number Publication date
US6765661B2 (en) 2004-07-20
ATE481628T1 (de) 2010-10-15
JP4246438B2 (ja) 2009-04-02
US20020163638A1 (en) 2002-11-07
JP2002310848A (ja) 2002-10-23

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