Wavefront sensing and the dynamics of tear film.

Wavefront sensing and the dynamics of tear film. Research Abstract Details 

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Wavefront sensing and the dynamics of tear film. Abstract Text:

Shizuka Koh,Naoyuki Maeda,Shizuka Koh,Naoyuki Maeda,

PURPOSE: To summarize our previous studies regarding the influence of tear-film dynamics on optical quality after blinking. METHODS: Sequential higher-order aberration (HOA) measurements were performed by using a wavefront sensor. During the measurements, subjects were asked to blink every 10 seconds. The obtained aberration data were analyzed in the central 4-mm diameter for coma-like, spherical-like, and total HOAs up to the sixth-order Zernike polynomials. RESULTS: Serial measurements of HOAs in healthy eyes showed variations even in clinically normal subjects and were classified into 4 groups by pattern: stable, small-fluctuation, sawtooth, and others. The sequential postblink change in HOAs after punctal plug insertion was quantitatively evaluated in a patient with dry eye who complained of paradoxical visual impairment with epiphora despite improvement of dry eye. CONCLUSIONS: Wavefront sensing is a useful objective method to evaluate sequential changes of visual performance related to tear-film dynamics. Serial measurement of HOAs might show a relationship between tear dynamics and quality of vision clinically.

Wavefront sensing and the dynamics of tear film. Publishing Authors By Initials

S Koh,N Maeda,S Koh,N Maeda,

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Wavefront sensing and the dynamics of tear film. Journal Published:

PUBLICATION TYPE: Review

Journal: Cornea

VOLUME: 26

Page Numbers: S41-5

Journal Abbreviation: Cornea

ISSN: 0277-3740

DAY: 20

MONTH: Oct

YEAR: 2007

Wavefront sensing and the dynamics of tear film. Information

Number of References: 32

LANGUAGE: eng

NlmUniqueID: 8216186

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Grant and Affiliation Information for Wavefront sensing and the dynamics of tear film.

AFFILIATION: Department of Ophthalmology, Osaka University Medical School, 2-2 Yamadaoka, Suita 565-0871, Japan. cizciz@gmail.com

Country: United States

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MEDLINETA: Cornea

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