7Mutti DO. Sources of normal and anomalous motion in retinoscopy. Optom Vis Sci. 2004;81(9):663-672
8Norton TT, Wu WW, Siegwart JT Jr. Refractive state of tree shrew eyes measured with cortical visual evoked potentials. Optom Vis Sci 2003;80(9):623-631
9Goncharov AV, Dainty C. Wide-field schematic eye models with gradient-index lens. J Opt Soc Am A Opt Image Sci Vis 2007; 24 (8):2157-2174
10Navarro R, Gonzalez L, Hernandez-Matamoros JL. On the prediction of optical aberrations by personalized eye models. Optom Vis Sci 2006;83(6): 371-381