The present invention relates to ophthalmic preparations in the form of eyedrops based on BDNF (Brain-Derived Neurotrophic Factor). Said preparations can be administered topically to the intact eye surface, and are useful in the prevention and treatment of neurodegenerative disorders of the retina, optic nerve, lateral geniculate body and visual cortex, in order to prevent reduction of visual capacity and restore the normal visual function.
