DE60332747D1 - Benutzung eines optischen filters zur verhinderung einer melatoninunterdr ckung durch licht in der nacht - Google Patents

Benutzung eines optischen filters zur verhinderung einer melatoninunterdr ckung durch licht in der nacht

Info

Publication number
DE60332747D1
DE60332747D1 DE60332747T DE60332747T DE60332747D1 DE 60332747 D1 DE60332747 D1 DE 60332747D1 DE 60332747 T DE60332747 T DE 60332747T DE 60332747 T DE60332747 T DE 60332747T DE 60332747 D1 DE60332747 D1 DE 60332747D1
Authority
DE
Germany
Prior art keywords
light
melaton
night
influence
preventing
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
DE60332747T
Other languages
English (en)
Inventor
Robert Casper
Jennifer Wardrop
Jonathan Spilkin
Peter Solo
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.)
Melcort Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE60332747D1 publication Critical patent/DE60332747D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00Constructions of non-optical parts
    • G02C5/001Constructions of non-optical parts specially adapted for particular purposes, not otherwise provided for or not fully classifiable according to technical characteristics, e.g. therapeutic glasses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/10Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/10Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/104Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having spectral characteristics for purposes other than sun-protection
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/12Polarisers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M21/00Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
    • A61M2021/0005Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus
    • A61M2021/0044Other devices or methods to cause a change in the state of consciousness; Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis by the use of a particular sense, or stimulus by the sight sense

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Psychology (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiation-Therapy Devices (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
  • Optical Filters (AREA)
  • Blocking Light For Cameras (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laser Surgery Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Eye Examination Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Road Signs Or Road Markings (AREA)
DE60332747T 2002-08-28 2003-08-28 Benutzung eines optischen filters zur verhinderung einer melatoninunterdr ckung durch licht in der nacht Expired - Lifetime DE60332747D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40630602P 2002-08-28 2002-08-28
PCT/CA2003/001324 WO2004021071A1 (en) 2002-08-28 2003-08-28 A device for the prevention of melatonin suppression by light at night

Publications (1)

Publication Number Publication Date
DE60332747D1 true DE60332747D1 (de) 2010-07-08

Family

ID=31978281

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60332747T Expired - Lifetime DE60332747D1 (de) 2002-08-28 2003-08-28 Benutzung eines optischen filters zur verhinderung einer melatoninunterdr ckung durch licht in der nacht

Country Status (8)

Country Link
US (1) US7520607B2 (de)
EP (2) EP1546792B1 (de)
AT (1) ATE469371T1 (de)
AU (1) AU2003264202A1 (de)
CA (1) CA2497261C (de)
DE (1) DE60332747D1 (de)
ES (1) ES2346648T3 (de)
WO (1) WO2004021071A1 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8500274B2 (en) 2000-11-03 2013-08-06 High Performance Optics, Inc. Dual-filter ophthalmic lens to reduce risk of macular degeneration
US8403478B2 (en) * 2001-11-02 2013-03-26 High Performance Optics, Inc. Ophthalmic lens to preserve macular integrity
WO2004021071A1 (en) 2002-08-28 2004-03-11 Robert Casper A device for the prevention of melatonin suppression by light at night
US7748845B2 (en) * 2002-08-28 2010-07-06 Robert Casper Method and device for preventing alterations in circadian rhythm
JP5032749B2 (ja) 2005-03-16 2012-09-26 パナソニック株式会社 光フィルタおよび照明装置
US8113651B2 (en) 2006-03-20 2012-02-14 High Performance Optics, Inc. High performance corneal inlay
US20120075577A1 (en) 2006-03-20 2012-03-29 Ishak Andrew W High performance selective light wavelength filtering providing improved contrast sensitivity
US8360574B2 (en) * 2006-03-20 2013-01-29 High Performance Optics, Inc. High performance selective light wavelength filtering providing improved contrast sensitivity
US8882267B2 (en) 2006-03-20 2014-11-11 High Performance Optics, Inc. High energy visible light filter systems with yellowness index values
US9377569B2 (en) * 2006-03-20 2016-06-28 High Performance Optics, Inc. Photochromic ophthalmic systems that selectively filter specific blue light wavelengths
US20070216861A1 (en) * 2006-03-20 2007-09-20 Andrew Ishak Ophthalmic system combining ophthalmic components with blue light wavelength blocking and color-balancing functionalities
US7984989B2 (en) 2008-02-07 2011-07-26 Gruber Jake A Retinal melatonin suppressor comprising a filter layer
US7841714B2 (en) 2008-02-07 2010-11-30 Quantum Modulation Scientific Inc. Retinal melatonin suppressor
US8253336B2 (en) 2010-07-23 2012-08-28 Biological Illumination, Llc LED lamp for producing biologically-corrected light
US8760370B2 (en) 2011-05-15 2014-06-24 Lighting Science Group Corporation System for generating non-homogenous light and associated methods
US9681522B2 (en) 2012-05-06 2017-06-13 Lighting Science Group Corporation Adaptive light system and associated methods
US8841864B2 (en) 2011-12-05 2014-09-23 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light
US8743023B2 (en) 2010-07-23 2014-06-03 Biological Illumination, Llc System for generating non-homogenous biologically-adjusted light and associated methods
US9532423B2 (en) 2010-07-23 2016-12-27 Lighting Science Group Corporation System and methods for operating a lighting device
US9024536B2 (en) 2011-12-05 2015-05-05 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light and associated methods
US9827439B2 (en) 2010-07-23 2017-11-28 Biological Illumination, Llc System for dynamically adjusting circadian rhythm responsive to scheduled events and associated methods
US8324808B2 (en) 2010-07-23 2012-12-04 Biological Illumination, Llc LED lamp for producing biologically-corrected light
US8686641B2 (en) 2011-12-05 2014-04-01 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light
CN102444867A (zh) * 2010-10-13 2012-05-09 周卓辉 可减缓褪黑激素抑制现象的照明装置
US8401231B2 (en) 2010-11-09 2013-03-19 Biological Illumination, Llc Sustainable outdoor lighting system for use in environmentally photo-sensitive area
US10359552B2 (en) 2011-01-17 2019-07-23 University Of Utah Research Foundation Methods, systems, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles
ES2962140T3 (es) * 2011-01-17 2024-03-15 Univ Utah Res Found Aparatos y métodos para reducir la frecuencia o gravedad de las respuestas fotófobas o modular los ciclos circadianos
US9764157B2 (en) 2011-01-17 2017-09-19 University Of Utah Research Foundation Methods, systems, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles
US9900956B2 (en) 2011-01-31 2018-02-20 Industrial Technology Research Institute Multi-function lighting system
TWI545990B (zh) 2011-01-31 2016-08-11 財團法人工業技術研究院 具有多功能用途的照明系統及其控制方法
US8901850B2 (en) 2012-05-06 2014-12-02 Lighting Science Group Corporation Adaptive anti-glare light system and associated methods
US8754832B2 (en) 2011-05-15 2014-06-17 Lighting Science Group Corporation Lighting system for accenting regions of a layer and associated methods
US9173269B2 (en) 2011-05-15 2015-10-27 Lighting Science Group Corporation Lighting system for accentuating regions of a layer and associated methods
TWI401063B (zh) * 2011-05-25 2013-07-11 Nat Univ Tsing Hua 用以量測褪黑激素抑制程度之裝置
KR102063284B1 (ko) * 2011-05-31 2020-01-07 클라렌슈 피티와이 리미티드 운동-관련 신경학적 병태를 다루는 장치
US9778490B2 (en) 2011-11-04 2017-10-03 Spy Optic Inc. Therapeutic eyewear
US8963450B2 (en) 2011-12-05 2015-02-24 Biological Illumination, Llc Adaptable biologically-adjusted indirect lighting device and associated methods
US9220202B2 (en) 2011-12-05 2015-12-29 Biological Illumination, Llc Lighting system to control the circadian rhythm of agricultural products and associated methods
US9913341B2 (en) 2011-12-05 2018-03-06 Biological Illumination, Llc LED lamp for producing biologically-adjusted light including a cyan LED
US9289574B2 (en) 2011-12-05 2016-03-22 Biological Illumination, Llc Three-channel tuned LED lamp for producing biologically-adjusted light
US8866414B2 (en) 2011-12-05 2014-10-21 Biological Illumination, Llc Tunable LED lamp for producing biologically-adjusted light
US9402294B2 (en) 2012-05-08 2016-07-26 Lighting Science Group Corporation Self-calibrating multi-directional security luminaire and associated methods
US8680457B2 (en) 2012-05-07 2014-03-25 Lighting Science Group Corporation Motion detection system and associated methods having at least one LED of second set of LEDs to vary its voltage
US9006987B2 (en) 2012-05-07 2015-04-14 Lighting Science Group, Inc. Wall-mountable luminaire and associated systems and methods
CA2872816C (en) 2012-09-26 2015-08-04 Ledtech International Inc. Multilayer optical interference filter
US9174067B2 (en) 2012-10-15 2015-11-03 Biological Illumination, Llc System for treating light treatable conditions and associated methods
US9347655B2 (en) 2013-03-11 2016-05-24 Lighting Science Group Corporation Rotatable lighting device
KR20140112874A (ko) * 2013-03-14 2014-09-24 삼성전자주식회사 카메라 모듈을 갖는 전자 장치
US20140268731A1 (en) 2013-03-15 2014-09-18 Lighting Science Group Corpporation Low bay lighting system and associated methods
DK2982224T3 (en) 2013-04-04 2019-01-21 Circadian Zirclight Inc LIGHTING SYSTEMS TO PROTECT CIRCADIC NEUROENDOCRINE FUNCTION
US9798163B2 (en) 2013-05-05 2017-10-24 High Performance Optics, Inc. Selective wavelength filtering with reduced overall light transmission
WO2015009350A1 (en) * 2013-07-16 2015-01-22 Leeo, Inc. Electronic device with environmental monitoring
US9116137B1 (en) 2014-07-15 2015-08-25 Leeo, Inc. Selective electrical coupling based on environmental conditions
WO2015037628A1 (ja) 2013-09-10 2015-03-19 三井化学株式会社 光学材料およびその用途
CN105556351B (zh) 2013-09-10 2018-05-04 三井化学株式会社 光学材料及其用途
US10234608B2 (en) 2013-11-15 2019-03-19 University Of Utah Research Foundation Nanoparticle light filtering method and apparatus
WO2015073933A1 (en) 2013-11-15 2015-05-21 University Of Utah Research Foundation Nanoparticle light filtering method and apparatus
WO2015123690A1 (en) * 2014-02-17 2015-08-20 Koifman Dan Device and method for selective wavelength filtration and selective wavelength transmission for therapeutic effect
US9683102B2 (en) 2014-05-05 2017-06-20 Frontier Scientific, Inc. Photo-stable and thermally-stable dye compounds for selective blue light filtered optic
US9372477B2 (en) 2014-07-15 2016-06-21 Leeo, Inc. Selective electrical coupling based on environmental conditions
US9092060B1 (en) 2014-08-27 2015-07-28 Leeo, Inc. Intuitive thermal user interface
US20160070276A1 (en) 2014-09-08 2016-03-10 Leeo, Inc. Ecosystem with dynamically aggregated combinations of components
US9445451B2 (en) 2014-10-20 2016-09-13 Leeo, Inc. Communicating arbitrary attributes using a predefined characteristic
US10026304B2 (en) 2014-10-20 2018-07-17 Leeo, Inc. Calibrating an environmental monitoring device
US20160235940A1 (en) * 2015-02-17 2016-08-18 Daniel Andrew Koifman Device and method for selective wavelength filtration and selective wavelength transmission for therapeutic effect
US9943042B2 (en) 2015-05-18 2018-04-17 Biological Innovation & Optimization Systems, LLC Grow light embodying power delivery and data communications features
US9844116B2 (en) 2015-09-15 2017-12-12 Biological Innovation & Optimization Systems, LLC Systems and methods for controlling the spectral content of LED lighting devices
US9788387B2 (en) 2015-09-15 2017-10-10 Biological Innovation & Optimization Systems, LLC Systems and methods for controlling the spectral content of LED lighting devices
WO2017075019A1 (en) * 2015-10-28 2017-05-04 Welch David B Eye drops
US10805775B2 (en) 2015-11-06 2020-10-13 Jon Castor Electronic-device detection and activity association
US9801013B2 (en) 2015-11-06 2017-10-24 Leeo, Inc. Electronic-device association based on location duration
WO2017106759A1 (en) * 2015-12-18 2017-06-22 Musco Corportion Lighting optimized for melanopic vision
JP7202183B2 (ja) 2015-12-22 2023-01-11 エシロール・アンテルナシオナル 非視覚的生理作用を刺激する方法と眼科用エレメント
WO2017145022A1 (en) 2016-02-22 2017-08-31 Novartis Ag Uv/visible-absorbing vinylic monomers and uses thereof
WO2017145024A1 (en) 2016-02-22 2017-08-31 Novartis Ag Uv-absorbing vinylic monomers and uses thereof
US20190121165A1 (en) * 2016-04-07 2019-04-25 Tsubota Laboratory, Inc. Weight loss eyeglasses
US10595376B2 (en) 2016-09-13 2020-03-17 Biological Innovation & Optimization Systems, LLC Systems and methods for controlling the spectral content of LED lighting devices
CN110538381B (zh) 2018-05-29 2021-06-22 华为技术有限公司 光照调整方法及终端
EP3857559B1 (de) 2018-09-25 2024-07-03 Koninklijke Philips N.V. Kontrollierung der lichtbeleuchtung für das circadiane phasenmanagement
CN111044461B (zh) * 2018-10-12 2022-07-01 周卓煇 光源对褪黑激素分泌的抑制程度的量化装置
US10598547B1 (en) * 2018-10-12 2020-03-24 National Tsing Hua University Device for measuring melatonin suppression induced by light source

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1971941A (en) 1932-07-22 1934-08-28 Gen Electric Electric discharge lamp device
US3112886A (en) * 1960-02-01 1963-12-03 Leonard H Kushner Color control
US3826751A (en) * 1970-12-07 1974-07-30 American Optical Corp Selective optical filter and method of manufacture
US4500810A (en) * 1980-11-25 1985-02-19 North American Philips Lighting Corporation Fluorescent lamp having integral light-filtering means and starting aid
US4952046A (en) * 1982-02-26 1990-08-28 Stephens James B Optical lenses with selective transmissivity functions
US4719248A (en) * 1985-08-08 1988-01-12 Bausch & Lomb Incorporated Ultraviolet blocking agents for contact lenses
US4878748A (en) * 1987-02-26 1989-11-07 Suntiger, Inc. Ultraviolet radiation and blue light blocking polarizing lens
US5177509A (en) 1987-02-26 1993-01-05 Suntiger, Inc. Ultraviolet radiation and blue light blocking polarizing lens
US5167228A (en) 1987-06-26 1992-12-01 Brigham And Women's Hospital Assessment and modification of endogenous circadian phase and amplitude
US5274403A (en) 1987-08-28 1993-12-28 Gott George M Lens useful in inhibiting the production of melatonin and lens produced thereby
US5083858A (en) 1989-04-17 1992-01-28 Girerd Rene J Photobiologic sunglasses and transmitters
US6638963B1 (en) 1990-12-04 2003-10-28 Oregon Health And Science University Methods for treating circadian rhythm disorders
CA2053566C (en) * 1991-10-16 2001-07-31 Murray Waldman Biological cycle affecting goggles
US6019476A (en) * 1996-06-24 2000-02-01 Kirschner; Kevin A. Full spectrum filtering for fluorescent lighting
JP3357803B2 (ja) * 1996-10-30 2002-12-16 タレックス光学工業株式会社 眼鏡用偏光膜および偏光眼鏡
DE19729719A1 (de) * 1997-07-11 1998-02-12 Bock Manfred Lampenkörper mit Farbmischvorrichtung
US6156743A (en) 1999-10-18 2000-12-05 Whitcomb; John E. Method of decreasing fatigue
TW541186B (en) * 2000-09-08 2003-07-11 Koninkl Philips Electronics Nv Method for controlling the alertness of a human subject and a light source for use in this method
GB2378656A (en) 2001-08-14 2003-02-19 Stephen Bryce Hayes Means for modulation of circadian rhythms
WO2004021071A1 (en) 2002-08-28 2004-03-11 Robert Casper A device for the prevention of melatonin suppression by light at night
US10252079B2 (en) 2003-06-06 2019-04-09 Koninklijke Philips N.V. Hand-held light therapy apparatus
US6926405B2 (en) * 2003-06-06 2005-08-09 Younger Mfg. Co. Eyewear lens having selective spectral response
WO2005004948A2 (en) 2003-07-14 2005-01-20 Czeisler Charles A Method for modifying or resetting the circadian cycle using short wavelength light

Also Published As

Publication number Publication date
CA2497261C (en) 2012-07-31
US7520607B2 (en) 2009-04-21
EP2157471A2 (de) 2010-02-24
AU2003264202A1 (en) 2004-03-19
WO2004021071A1 (en) 2004-03-11
US20060119954A1 (en) 2006-06-08
EP1546792A1 (de) 2005-06-29
ATE469371T1 (de) 2010-06-15
EP2157471A3 (de) 2010-03-03
ES2346648T3 (es) 2010-10-19
CA2497261A1 (en) 2004-03-11
EP1546792B1 (de) 2010-05-26

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Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: MELCORT INC., TORONTO, CA

8364 No opposition during term of opposition