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OCULAR SURFACE INTERFEROMETRY (OSI) DEVICES, SYSTEMS, AND METHODS FOR IMAGING, PROCESSING, AND/OR DISPLAYING AN OCULAR TEAR FILM AND/OR MEASURING OCULAR TEAR FILM LAYER THICKNESS(ES)
专利权人:
发明人:
DONALD R KORB,WILLIAM L WEBER,Randal B Chinnock,BENJAMIN T GRAVELY,STEPHEN M GRENON
申请号:
IN2026/MUMNP/2011
公开号:
IN2011MN02026A
申请日:
2011.09.27
申请国别(地区):
IN
年份:
2012
代理人:
摘要:
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.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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