4Zhao J, Pan X, Sui R, et al . Refractive Error Study in Children: results from Shunyi District, China. Am J Ophthalmol 2000; 129 (4) :427-435.
5Carkeet A, Saw SM, Gazzard G, et al . Repeatability of IOLMaster biometry in children. Optom Vis Sci 2004 ; 81 ( 11 ) :829-834.
6Santodomingo-Rubido J, Mallen EA, Gihnartin B, et al. A new non- contact optical device for ocular biometry. Br J Ophthalmol 2002;86 (4) :458-862.
7Vogel A, Dick HB, Krummenauer F. Reproducibility of optical biometry using partial coherence interferometry : intraobserver and interobserver reliability. J Cataract Refract Surg 2001 ; 27 ( 12 ) : 1961-1968.
8Connors R 3rd, Boseman P 3rd, Olson RJ. Accuracy and reproducibility of biometry using partial coherence interferometry. J Cataract Refract Surg 2002 ;28 (2) :235-238.
9Norrby S. Sources of error in intraocular lens power calculation. J Cataract Refract Surg 2008 ; 34 ( 3 ) :368-376.
10Olsen T. Sources of error in intraocular lens power calculation. J Cataract Refract Surg 1992 ; 18 ( 2 ) : 125 - 129.