System for in vivo analysis of tear film in the human eye via phase shifting interferometry

An in vivo method of characterizing dynamic tear films has been developed using a near infrared phase-shifting interferometer. This interferometer continuously measures light reflected from the tear film, allowing precision analysis of the dynamic surface topography. Movies showing the tear film beh...

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Bibliographic Details
Main Authors HAYWOOD JAMES WILLIAM, WILLIBY GREGORY A, PRIMEAU BRIAN C, GREIVENKAMP, JR. JOHN E
Format Patent
LanguageEnglish
Published 04.02.2014
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:An in vivo method of characterizing dynamic tear films has been developed using a near infrared phase-shifting interferometer. This interferometer continuously measures light reflected from the tear film, allowing precision analysis of the dynamic surface topography. Movies showing the tear film behavior may be generated along with quantitative metrics describing the tear film surface as it changes in time.
Bibliography:Application Number: US201113238507