[1] P. G. Gobbi, F. Carones, and R. Brancato, Proc. SPIE 3591, 10 (1999).

[2] Z. Gao, M. Kong, X. Li, L. Chen, and R. Zhu, Chin. Opt. Lett. 4, 299 (2006).

[3] E. J. Cohen, Ophthalmology 106, 1628 (1999).

[4] F. H. M. Jongsma, J. de Brabander, and F. Hendrikse, Lasers Med. Sci. 14, 2 (1999).

[5] Y. Mejía-Barbosa and D. Malacara-Hernández, Optom. Vis. Sci. 78, 240 (2001).

[6] Q. Li, Q. Ren, W. Li, and Y. Zhu, Laser and Optoelectron. Prog. (in Chinese) 41, (1) 28 (2004).

[7] G. Smith, Clin. Exp. Optom. 86, 3 (2003).

[8] J. F. Koretz, C. A. Cook, and P. L. Kaufman, J. Opt. Soc. Am. A 19, 144 (2002).

[9] M. Dubbelman, G. L. Van der Heijde, and H. A. Weeber, Vision Res. 45, 117 (2005).

[10] W. Lotmar, J. Opt. Soc. Am. 61, 1522 (1971).

[11] J. W. Blaker, J. Opt. Soc. Am. 70, 220 (1980).

[12] A. C. Kooijman, J. Opt. Soc. Am. 73, 1544 (1983).

[13] R. Navarro, J. Santamaria, and J. Bescos, J. Opt. Soc. Am. A 2, 1273 (1985).

[14] I. Escudero-Sanz and R. Navarro, J. Opt. Soc. Am. A 16, 1881 (1999).

[15] H. Liou and N. A. Bennan, J. Opt. Soc. Am. A 14, 1684 (1997).

[16] ZEMAX Development Corporation, ZEMAX Optical Design Program User’s Guide, 136 (2003).

[17] D. Siedlecki, H. Kasprzak, and B. K. Pierscionek, Opt. Lett. 29, 1197 (2004).

[18] Y. Liu, Z. Fang, and Z. Wang, Acta Opt. Sin. (in Chinese) 25, 136 (2005).

[19] A. P. Masajada, Ophthal. Physiol. Opt. 19, 41 (1999).

[20] D. A. Atchison and G. Smith, Vision Res. 35, 2529 (1995).

[21] D. T. Moore, J. Opt. Soc. Am. 61, 886 (1971).

[22] Z. Sun and Q. Wang, Chin. J. Optom. Ophthalm. (in Chinese) 9, 66 (2007).