Figure 1. Differences in refractive error and axial length after induction of myopia

Differences in refractive error (A) and axial length (B) among form-deprived myopic (FDM), internal control (FC), and normal (N) eyes of guinea pigs is illustrated. At 21 days, monocularly deprivation produced relative myopia, and axial lengths of FDM eyes were significantly greater than those of control eyes. The asterisk denotes p<0.001 versus N and FC eyes. Data are the mean±standard error of the mean.