Joaquín Herrera Medina, MSc Pedagogue and Specialist in Rehabilitation of people with low vision and blindness; Professor associated at the University of Valladolid (Spain) He is lecturing in the master's degree in visual rehabilitation at the University of Valladolid. He was a member of the board of Aspreh (Spanish association of professionals in the rehabilitation of people with low vision). He has been working for the Spanish national organization for the blind since 1991