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    • 3. 发明授权
    • Ocular surface interferometry (OSI) devices and systems for imaging and measuring ocular tear film layer thickness(es)
    • 用于成像和测量眼泪膜层厚度的眼表干涉测量(OSI)装置和系统
    • US08215774B2
    • 2012-07-10
    • US12798324
    • 2010-04-01
    • Donald R. KorbWilliam L. WeberRandal B. ChinnockBenjamin T. GravelyStephen M. GrenonMichael Zelina
    • Donald R. KorbWilliam L. WeberRandal B. ChinnockBenjamin T. GravelyStephen M. GrenonMichael Zelina
    • A61B3/14A61B3/10
    • A61B3/101A61B3/0025A61B3/0041A61B3/1005A61B3/14G06T7/0012G06T2207/30041
    • Ocular surface interferometry (OSI) devices, systems, and methods are disclosed for measuring a tear film layer thickness (TFLT) of the ocular tear film, including lipid layer thickness (LLT) and/or aqueous layer thickness (ALT). The measured TFLT can be used to diagnosis dry eye syndrome (DES). In certain disclosed embodiments, a multi-wavelength light source can be controlled to illuminate the ocular tear film. Light emitted from the multi-wavelength light source undergoes optical wave interference interactions in the tear film. An imaging device can be focused on the lipid layer of the tear film to capture optical wave interference interactions of specularly reflected light from the tear film combined with a background signal(s) in a first image. The imaging device can also be focused on the lipid layer of the tear film to capture a second image containing the background signal(s) present in the first image. The second image can be subtracted from the first image to reduce and/or eliminate the background signal(s) in the first image to produce a resulting image. The resulting image can be processed and analyzed to measure a tear film layer thickness (TFLT), including lipid layer thickness (LLT) and/or aqueous layer thickness (ALT).
    • 公开了用于测量眼泪膜的泪膜层厚度(TFLT),包括脂质层厚度(LLT)和/或水层厚度(ALT)的眼表干涉测量(OSI)装置,系统和方法。 测量的TFLT可用于诊断干眼综合征(DES)。 在某些公开的实施例中,可以控制多波长光源以照射眼泪膜。 从多波长光源发射的光在泪膜中经历光波干涉相互作用。 成像装置可以集中在泪膜的脂质层上,以捕获与第一图像中的背景信号结合的来自泪膜的镜面反射光的光波干涉相互作用。 成像装置还可以聚焦在泪膜的脂质层上,以捕获包含存在于第一图像中的背景信号的第二图像。 可以从第一图像中减去第二图像以减少和/或消除第一图像中的背景信号以产生所得图像。 可以对所得图像进行处理和分析,以测量泪膜层厚度(TFLT),包括脂质层厚度(LLT)和/或水层厚度(ALT)。
    • 6. 发明授权
    • Polarized optical probes
    • 极化光学探针
    • US07187442B2
    • 2007-03-06
    • US10835747
    • 2004-04-30
    • Randal B. ChinnockJeffrey S. Melanson
    • Randal B. ChinnockJeffrey S. Melanson
    • G01J4/00
    • G01J4/04G01N21/21
    • A variably-polarizing optical probe assembly. The assembly includes an optical probe having one or more optical light delivery channels that emit incident light from the sample end of the probe toward a sample being investigated, and one or more optical light-receiving channels that receive incident light from the sample. A variably-polarizing substrate assembly is coupled to the sample end of the probe. The substrate assembly includes an optically transmitting substrate and one or more discrete polarizer areas on a face of the substrate, each such polarizer area defining a polarization orientation, with the polarizer areas together defining one or more different polarization orientations. The substrate assembly is arranged relative to the probe such that one polarizer area covers at least one light delivery channel and one polarizer area covers at least one light-receiving channel.
    • 可变偏振光学探针组件。 组件包括具有一个或多个光学传输通道的光学探针,其将从探针的样品端朝向被研究的样品发射入射光,以及一个或多个接收来自样品的入射光的光接收通道。 可变偏振衬底组件耦合到探针的样品端。 衬底组件包括光学透射衬底和在衬底的表面上的一个或多个离散偏振器区域,每个这样的偏振器区域限定极化取向,偏振器区域一起限定一个或多个不同的偏振取向。 衬底组件相对于探针布置,使得一个偏振器区域覆盖至少一个光输送通道,并且一个偏振器区域覆盖至少一个光接收通道。
    • 10. 发明申请
    • Ocular surface interferometery (OSI) devices and systems for imaging, processing, and/or displaying an ocular tear film
    • 用于成像,处理和/或显示眼泪膜的眼表干涉仪(OSI)装置和系统
    • US20100253907A1
    • 2010-10-07
    • US12798275
    • 2010-04-01
    • Donald R. KorbWilliam L. WeberRandal B. ChinnockBenjamin T. GravelyStephen M. Grenon
    • Donald R. KorbWilliam L. WeberRandal B. ChinnockBenjamin T. GravelyStephen M. Grenon
    • A61B3/14
    • A61B3/101A61B3/0025A61B3/0041A61B3/1005A61B3/14G06T7/0012G06T2207/30041
    • Ocular surface interferometry (OSI) devices, systems, and methods are disclosed for measuring a tear film layer thickness (TFLT) of the ocular tear film, including lipid layer thickness (LLT) and/or aqueous layer thickness (ALT). The measured TFLT can be used to diagnosis dry eye syndrome (DES). In certain disclosed embodiments, a multi-wavelength light source can be controlled to illuminate the ocular tear film. Light emitted from the multi-wavelength light source undergoes optical wave interference interactions in the tear film. An imaging device can be focused on the lipid layer of the tear film to capture optical wave interference interactions of specularly reflected light from the tear film combined with a background signal(s) in a first image. The imaging device can also be focused on the lipid layer of the tear film to capture a second image containing the background signal(s) present in the first image. The second image can be subtracted from the first image to reduce and/or eliminate the background signal(s) in the first image to produce a resulting image. The resulting image can be processed and analyzed to measure a tear film layer thickness (TFLT), including lipid layer thickness (LLT) and/or aqueous layer thickness (ALT).
    • 公开了用于测量眼泪膜的泪膜层厚度(TFLT),包括脂质层厚度(LLT)和/或水层厚度(ALT)的眼表干涉测量(OSI)装置,系统和方法。 测量的TFLT可用于诊断干眼综合征(DES)。 在某些公开的实施例中,可以控制多波长光源以照射眼泪膜。 从多波长光源发射的光在泪膜中经历光波干涉相互作用。 成像装置可以集中在泪膜的脂质层上,以捕获与第一图像中的背景信号结合的来自泪膜的镜面反射光的光波干涉相互作用。 成像装置还可以聚焦在泪膜的脂质层上,以捕获包含存在于第一图像中的背景信号的第二图像。 可以从第一图像中减去第二图像以减少和/或消除第一图像中的背景信号以产生所得图像。 可以对所得图像进行处理和分析,以测量泪膜层厚度(TFLT),包括脂质层厚度(LLT)和/或水层厚度(ALT)。