Thickness of sclera, choroid, retina as a whole, outer nuclear retinal layer and inner nuclear retinal layer in young guinea pigs without intervention (“Normal”), with lens-induced myopization (“Myopia”), with lens-induced myopization and intraocular injection of Ringer's solution (“Myopia_buffer”), and with lens-induced myopization combined with intraocular injections of amphiregulin antibody in doses of 5 μg (“Myopia_5ARAB”), 10 μg (“Myopia_10ARAB”), and 15 μg (“Myopia_15ARAB”), respectively, in the pars plana region (A), at the ora serrata (B), at the equator (C), in the region of midpoint between equator and posterior pole (D), and at the posterior pole (E).