Sample and recruitment The study will be conducted in three phases. First: to determine differences in postural control and gait between individuals with congenital and acquired blindness with and without a guide stick when wearing shoes and while barefoot. Second: will involve the characterization of differences in the effects of anodal tDCS on postural control and gait when stimulation is administered to different areas of the brain: primary motor cortex; somatosensory cortex; and visual cortex. Third: will involve a treatment protocol in which the participants will be randomly allocated in four groups: Group 1 - active tDCS + dynamic proprioceptive exercises; Group 2 - sham tDCS + dynamic proprioceptive exercises; Group 3 - active tDCS + static proprioceptive exercises; and Group 4 - sham tDCS + static proprioceptive exercises. Randomization will be performed with the use of sealed opaque envelopes containing a card stipulating to which group the volunteer will be allocated.