Corneal thickness changes after long-term ortho-k lens wear in astigmatic children

中山醫學大學機構典藏 CSMUIR > 行政單位 > 研發處 > 期刊論文 > Item 310902500/21793

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题名:	Corneal thickness changes after long-term ortho-k lens wear in astigmatic children
作者:	Min-Yen Hsu ； Jyh-Cheng Liou ； Pauline Cho ； Connie Chen
贡献者:	中山醫學大學
关键词:	myopia ； astigmatism ； orthokeratology ； corneal biomechanics ； corneal thickness
日期:	2020-06-01
上传时间:	2021-09-13T03:34:42Z (UTC)
出版者:	研發處育成中心暨產學合作組
摘要:	Purpose: To investigate central corneal thickness (CCT) changes after long-term ortho-k lens wear in astigmatic children. Methods: Thirty-five subjects were enrolled in a myopic control study. Refractive error, corneal curvature, and corneal thickness measurements were collected at baseline and after one night, one week, one month, six months, 12 months, 18 months, and 24 months of lens wear and compared. Results: Mean ± SD myopia was -2.53 ± 1.31 D at baseline. Myopia was significantly reduced to -1.33 ± 0.80 D (42% reduction) at the first overnight visit and to -0.41 ± 0.43 D (81% reduction) at the one-month visit. The mean ± SD refractive (with-the-rule) astigmatism was reduced from -1.86 ± 0.64 D at baseline to -0.88 ± 0.59 D (54% reduction) and -0.40 ± 0.39 D (79% reduction) at the first overnight and one-month visits, respectively. Significant corneal thinning of 7 ± 9 μm was observed at the one-month visit (p = 0.004). No significant differences in CCT were observed during subsequent visits. Conclusion: Toric ortho-k lenses are effective for myopic and astigmatic reductions.
URI:	https://ir.csmu.edu.tw:8080/handle/310902500/21793
關聯:	中山醫學雜誌, 31卷1期, P17 - 22
显示于类别:	[研發處] 期刊論文

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