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Surgically induced astigmatism after 23-gauge transconjunctival sutureless vitrectomy

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dc.contributor.authorKim, Y-K-
dc.contributor.authorHyon, J. Y.-
dc.contributor.authorWoo, S. J.-
dc.contributor.authorPark, K. H.-
dc.contributor.authorChung, H.-
dc.contributor.authorYu, Y. S.-
dc.date.accessioned2012-06-29T01:26:24Z-
dc.date.available2012-06-29T01:26:24Z-
dc.date.issued2010-05-
dc.identifier.citationEYE; Vol.24 5; 799-804ko_KR
dc.identifier.issn0950-222X-
dc.identifier.urihttps://hdl.handle.net/10371/77864-
dc.description.abstractPurpose: To evaluate surgically induced astigmatism (SIA) after 23-gauge transconjunctival sutureless vitrectomy (23GTSV). Methods: We studied 56 patients (56 eyes) who underwent 23GTSV between January 2006 and December 2007 and who underwent preoperative and 1- and 3-4-months postoperative corneal topography. Fifteen of the 56 patients underwent combined 23GTSV and cataract surgery. SIA was evaluated with Naeser`s polar method using the simulated keratometric values obtained with corneal topography. Preoperative and postoperative KP and Delta KP values were compared in the 23GTSV only group and the combined 23GTSV and cataract surgery group. Results: There were no significant serial changes between the preoperative and postoperative Sim K astigmatism or KP values in the 23GTSV only group. In the 23GTSV only group, the Delta KP (90) was negative (-0.10 +/- 0.78) at 1 month postoperatively, but it became positive (0.13 +/- 0.85) at 3-4 months postoperatively. The Delta KP (135) showed serially decreasing negative values, -0.02 +/- 0.80 at 1 month postoperatively and -0.08 +/- 0.60 at 3-4 months postoperatively. In the combined cataract surgery group, the 1- and 3-4-month postoperative Delta KP (135) values were -0.64 +/- 0.50 and -0.71 +/- 0.48, respectively, which represented a significant decrease compared with the 23GTSV only group (P<0.001, Mann-Whitney U-test). Although statistically insignificant, the DKP (135) value was more negative in the sclerotomy-sutured group (n = 6) than the sclerotomy non-sutured group (n - 35) at month postoperatively (-0.67 +/- 1.19 vs 0.09 +/- 0.67, P = 0.110, Mann-Whitney U-test). Conclusion: The 23GTSV does not induce significant SIA in the early postoperative period. Eye (2010) 24, 799-804; doi:10.1038/eye.2009.222; published online 21 August 2009ko_KR
dc.language.isoenko_KR
dc.publisherNATURE PUBLISHING GROUPko_KR
dc.subjectsurgically induced astigmatismko_KR
dc.subjectcorneal topographyko_KR
dc.subject23-gauge transconjunctival sutureless vitrectomyko_KR
dc.titleSurgically induced astigmatism after 23-gauge transconjunctival sutureless vitrectomyko_KR
dc.typeArticleko_KR
dc.identifier.doi10.1038/eye.2009.222-
dc.citation.journaltitleEYE-
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dc.description.tc4-
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