Design of imaging keratometer with annular object and charge-coupled device detector

	Design of imaging keratometer with annular object and charge-coupled device detector
	He Y.; Wang Y.; Wang Z.; Liu Y.; Zhang L.; Zhai Y.; Chang S.
	2013
发表期刊	Applied Optics
ISSN	ISBN/00036935
卷号	52 期号:35
摘要	A novel imaging keratometer by the aid of modern optoelectronic technology is proposed. The optical system consists of an annular object, a first imaging subsystem, a second imaging subsystem, and a CCD detector. The measurement range of corneal refraction is from 30D to 60D (5.5-11 mm in radius of curvature), and the accuracy reaches 0.156D, 0.072D, and 0.036D, respectively, for the corneal surface of the steepest, the radius of curvature of 7.8 mm, and the corneal surface of the flattest. The accuracy of corneal astigmatism is verified to be 0.05D for cylindrical refraction of 0.75D. Compared with the traditional keratometer, the proposed keratometer possesses advantages of high accuracy. 2013 Optical Society of America.
收录类别	SCI ; EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/40608
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	He Y.,Wang Y.,Wang Z.,et al. Design of imaging keratometer with annular object and charge-coupled device detector[J]. Applied Optics,2013,52(35).
APA	He Y..,Wang Y..,Wang Z..,Liu Y..,Zhang L..,...&Chang S..(2013).Design of imaging keratometer with annular object and charge-coupled device detector.Applied Optics,52(35).
MLA	He Y.,et al."Design of imaging keratometer with annular object and charge-coupled device detector".Applied Optics 52.35(2013).

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