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Corneal higher-order aberrations after customized aspheric ablation and conventional ablation for myopic correction
Zhou, Chuanqing; Chai, Xinyu; Yuan, Li; He, Yanling; Jin, Min; Ren, Qiushi
关键词Asphericity Cornea Laser In Situ Keratomileusis Wavefront Aberration
刊名CURRENT EYE RESEARCH
2007
DOI10.1080/02713680701329321
32期:5页:431-438
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Ophthalmology
研究领域[WOS]Ophthalmology
关键词[WOS]IN-SITU KERATOMILEUSIS ; LASER REFRACTIVE SURGERY ; WAVE-FRONT ABERRATIONS ; PHOTOREFRACTIVE KERATECTOMY ; OPTICAL ABERRATIONS ; OCULAR ABERRATIONS ; FOLLOW-UP ; LASIK ; ASTIGMATISM ; DECENTRATION
英文摘要

Purpose: To investigate and compare the corneal wavefront aberrations and corneal asphericity after customized aspheric and conventional myopic ablation. Methods: Fifty-eight myopic patients from two laser centers were enrolled in this study. The patients were treated with laser in situ keratomileusis (LASIK) randomly with customized aspheric algorithm (32 patients, group A) and conventional algorithm (26 patients, group B). There was no significant difference in preoperative mean equivalent sphere (p = 0.954). The manifest refraction, corneal asphericity, and corneal wavefront data were taken into account to generate the customized aspheric ablation profile. Corneal wavefront aberrations, and corneal asphericity were analyzed and compared before and 6 months after the treatment. Results: Preoperatively, no significant difference was found in corneal asphericity and higher-order aberrations (HOAs) between two groups (p = 0.833 and p = 0.459, respectively). Root mean square (RMS) value of corneal HOAs, spherical aberration, and corneal asphericity increased postoperatively in both groups (p < 0.05), but the smaller increase was shown in group A (p < 0.05). The Zernike third-order aberration increased by 10% (p = 0.088) but without significance in group A compared with significant increase by 27% (p < 0.01) in group B. Conclusions: The customized aspheric ablation induced smaller increase in corneal higher-order aberrations and corneal asphericity. It provides a good option for the customized myopic correction.

语种英语
WOS记录号WOS:000246997000006
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/57846
专题北京大学第二临床医学院_眼科
作者单位1.No 1 Peoples Hosp, Dept Ophthalmol, Guangzhou, Peoples R China
2.Shanghai Jiao Tong Univ, Coll Life Sci & Technol, Inst Laser Med & Biophoton, Shanghai 200240, Peoples R China
3.Beijing Univ, Peoples Hosp, Dept Ophthalmol, Beijing 100871, Peoples R China
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GB/T 7714
Zhou, Chuanqing,Chai, Xinyu,Yuan, Li,et al. Corneal higher-order aberrations after customized aspheric ablation and conventional ablation for myopic correction[J]. CURRENT EYE RESEARCH,2007,32(5):431-438.
APA Zhou, Chuanqing,Chai, Xinyu,Yuan, Li,He, Yanling,Jin, Min,&Ren, Qiushi.(2007).Corneal higher-order aberrations after customized aspheric ablation and conventional ablation for myopic correction.CURRENT EYE RESEARCH,32(5),431-438.
MLA Zhou, Chuanqing,et al."Corneal higher-order aberrations after customized aspheric ablation and conventional ablation for myopic correction".CURRENT EYE RESEARCH 32.5(2007):431-438.
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