SG11202001350QA - Contact lens inspection method and system - Google Patents

Contact lens inspection method and system

Info

Publication number
SG11202001350QA
SG11202001350QA SG11202001350QA SG11202001350QA SG11202001350QA SG 11202001350Q A SG11202001350Q A SG 11202001350QA SG 11202001350Q A SG11202001350Q A SG 11202001350QA SG 11202001350Q A SG11202001350Q A SG 11202001350QA SG 11202001350Q A SG11202001350Q A SG 11202001350QA
Authority
SG
Singapore
Prior art keywords
contact lens
inspection method
lens inspection
contact
lens
Prior art date
Application number
SG11202001350QA
Inventor
Steffen Paulekuhn
Susanne Fechner
Sarah Unterkofler
Daniel Kessler
Evgeni Schumm
Matthias Schwab
Original Assignee
Alcon Inc
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 Alcon Inc filed Critical Alcon Inc
Publication of SG11202001350QA publication Critical patent/SG11202001350QA/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0221Testing optical properties by determining the optical axis or position of lenses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0242Testing optical properties by measuring geometrical properties or aberrations
    • G01M11/0257Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958Inspecting transparent materials or objects, e.g. windscreens
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/50Depth or shape recovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/55Optical parts specially adapted for electronic image sensors; Mounting thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60Noise processing, e.g. detecting, correcting, reducing or removing noise
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958Inspecting transparent materials or objects, e.g. windscreens
    • G01N2021/9583Lenses
SG11202001350QA 2017-09-07 2018-09-06 Contact lens inspection method and system SG11202001350QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762555123P 2017-09-07 2017-09-07
PCT/IB2018/056813 WO2019049066A1 (en) 2017-09-07 2018-09-06 Contact lens inspection method and system

Publications (1)

Publication Number Publication Date
SG11202001350QA true SG11202001350QA (en) 2020-03-30

Family

ID=63713932

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202001350QA SG11202001350QA (en) 2017-09-07 2018-09-06 Contact lens inspection method and system

Country Status (5)

Country Link
US (1) US10591747B2 (en)
EP (1) EP3679340B1 (en)
HU (1) HUE060922T2 (en)
SG (1) SG11202001350QA (en)
WO (1) WO2019049066A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG10201509497VA (en) * 2015-11-18 2017-06-29 Emage Vision Pte Ltd Contact lens defect inspection using uv illumination
WO2023187560A1 (en) 2022-03-27 2023-10-05 Alcon Inc. Method for optically inspecting an ophthalmic lens to determine an orientation state and an inversion state of an ophthalmic lens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3734512B2 (en) * 1993-12-27 2006-01-11 株式会社メニコン Contact lens appearance inspection method and appearance inspection apparatus
US5500732A (en) * 1994-06-10 1996-03-19 Johnson & Johnson Vision Products, Inc. Lens inspection system and method
AU698522B2 (en) * 1995-09-29 1998-10-29 Johnson & Johnson Vision Products, Inc. Lens parameter measurement using optical sectioning
GB2433782A (en) 2005-12-28 2007-07-04 Bausch & Lomb Detecting the orientation of a contact lens in a blister package
US7990531B2 (en) * 2008-06-05 2011-08-02 Coopervision International Holding Company, Lp Multi-imaging automated inspection methods and systems for wet ophthalmic lenses
US9253448B1 (en) 2011-12-28 2016-02-02 Cognex Corporation System and method for determination of contact lens orientation
CN105531562B (en) 2013-09-11 2019-06-14 诺华股份有限公司 Contact lenses inspection system and method
WO2019049065A1 (en) * 2017-09-07 2019-03-14 Novartis Ag Contact lens inspection system and method

Also Published As

Publication number Publication date
US20190072784A1 (en) 2019-03-07
HUE060922T2 (en) 2023-04-28
EP3679340A1 (en) 2020-07-15
EP3679340B1 (en) 2022-12-07
WO2019049066A1 (en) 2019-03-14
US10591747B2 (en) 2020-03-17

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