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题名:
Ocular Anterior Segment Biometry and High-Order Wavefront Aberrations During Accommodation
作者: Yuan, Yimin; Shao, Yilei; Tao, Aizhu; Shen, Meixiao; Wang, Jianhua; Shi, Guohua; Chen, Qi; Zhu, Dexi; Lian, Yan; Qu, Jia; Zhang, Yudong; Lu, Fan
刊名: INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE
出版日期: 2013
卷号: 54, 期号:10, 页码:7028-7037
学科分类: accommodation; optical coherence tomography; aberrations; anterior segment; crystalline lens; pupil
DOI: 10.1167/iovs.13-11893
通讯作者: Lu, F (reprint author), Wenzhou Med Univ, Sch Ophthalmol & Optometry, 270 Xueyuan West Rd, Wenzhou 325027, Zhejiang, Peoples R China.
文章类型: 期刊论文
中文摘要: PURPOSE. We investigated the relationships between the ocular anterior segment biometry and the ocular high-order aberrations (HOAs) during accommodation by combined ultralong scan depth optical coherence tomography (UL-OCT) and wavefront sensor. METHODS. We enrolled 35 right eyes of young healthy subjects (21 women and 14 men; age, 25.6 +/- 3.1 years; spherical equivalent refractive error, -0.41 +/- 0.59 diopters [D]). A custom-built UL-OCT and a wavefront sensor were combined. They were able to image the ocular anterior segment and to measure the HOAs during accommodation. The differences in the biometric dimensions and in the HOAs between the nonaccommodative and accommodative states were compared, and the relationships between them were investigated. RESULTS. Compared to the nonaccommodative condition, anterior chamber depth, pupil diameter, and radii of the crystalline lens surface curvatures decreased significantly, while the lens thickness and root-mean-square of high-order aberration (HORMS) of fixed 3-mm pupil size increased under the accommodative stimulus (P < 0.01). A negative correlation was found between the change in the radius of the lens anterior surface curvature and the change in HORMS (r = -0.370, P = 0.014). For nonaccommodative and accommodative conditions, HORMS for a fixed pupil size was correlated negatively with pupil diameter (r = -0.532 and -0.801, respectively, P < 0.01). CONCLUSIONS. The anterior segment biometry and the HOAs changed significantly during accommodation. The increase in HOAs mainly was due to the increased convexity of the anterior surface of the lens during accommodation. Contraction of the pupil may help to decrease HOAs.
英文摘要: PURPOSE. We investigated the relationships between the ocular anterior segment biometry and the ocular high-order aberrations (HOAs) during accommodation by combined ultralong scan depth optical coherence tomography (UL-OCT) and wavefront sensor. METHODS. We enrolled 35 right eyes of young healthy subjects (21 women and 14 men; age, 25.6 +/- 3.1 years; spherical equivalent refractive error, -0.41 +/- 0.59 diopters [D]). A custom-built UL-OCT and a wavefront sensor were combined. They were able to image the ocular anterior segment and to measure the HOAs during accommodation. The differences in the biometric dimensions and in the HOAs between the nonaccommodative and accommodative states were compared, and the relationships between them were investigated. RESULTS. Compared to the nonaccommodative condition, anterior chamber depth, pupil diameter, and radii of the crystalline lens surface curvatures decreased significantly, while the lens thickness and root-mean-square of high-order aberration (HORMS) of fixed 3-mm pupil size increased under the accommodative stimulus (P < 0.01). A negative correlation was found between the change in the radius of the lens anterior surface curvature and the change in HORMS (r = -0.370, P = 0.014). For nonaccommodative and accommodative conditions, HORMS for a fixed pupil size was correlated negatively with pupil diameter (r = -0.532 and -0.801, respectively, P < 0.01). CONCLUSIONS. The anterior segment biometry and the HOAs changed significantly during accommodation. The increase in HOAs mainly was due to the increased convexity of the anterior surface of the lens during accommodation. Contraction of the pupil may help to decrease HOAs.
收录类别: SCI
项目资助者: National Natural Science Foundation of China [81170869, 81101081, 81200672] ; National Basic Research (973) Program of China ; Development Program Project Grant of Wenzhou, China [Y20100296] ; [2011CB504601]
语种: 英语
WOS记录号: WOS:000326567700066
ISSN号: 0146-0404
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6362
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 1.[Yuan, Yimin
2.Shao, Yilei
3.Tao, Aizhu
4.Shen, Meixiao
5.Chen, Qi
6.Zhu, Dexi
7.Lian, Yan
8.Qu, Jia
9.Lu, Fan] Wenzhou Med Univ, Sch Ophthalmol & Optometry, Wenzhou 325027, Zhejiang, Peoples R China
10.[Wang, Jianhua] Univ Miami, Miller Sch Med, Bascom Palmer Eye Inst, Miami, FL 33136 USA
11.[Shi, Guohua
12.Zhang, Yudong] Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Yuan, Yimin,Shao, Yilei,Tao, Aizhu,et al. Ocular Anterior Segment Biometry and High-Order Wavefront Aberrations During Accommodation[J]. INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE,2013,54(10):7028-7037.
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