J Korean Ophthalmol Soc.
2006 Feb;47(2):186-191.
Wavefront Aberration Changes after the Instillation of Artificial Tear in Dry Eyes
- Affiliations
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- 1Department of Ophthalmology, Inje University Seoul Paik Hospital, Seoul, Korea. mjjoo@ijnc.inje.ac.kr
Abstract
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PURPOSE: To identify the effects of artificial tear instillation on tear film changes using wavefront aberrations.
METHODS
Artifical tear was instilled every 2 hours for 14 days into 20 normal eyes and 20 dry eyes. The changes in tear film using wavefront aberrations were analyzed 1 minute after the final instillation of artifical tear.
RESULTS
In dry eyes, total wavefront aberration and total high order wavefront aberration decreased significantly (p<0.05). In normal eyes, total wavefront aberration and high order wavefront aberration did not decrease.
CONCLUSIONS
Stabilization of the tear film after instillation of artificial tear may be responsible for the decrease of wavefront abberation in dry-eye patients.
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