Brilliant ophthalmologist who has discovered effective procedures to fight the pigmentary retinosis or nocturnal blindness. Creator of the International Center aimed at fighting this visual disease. In 1987 he made the first surgical operations having an incredible success. After various years of intense research work, his labor was appraised and received diverse medals and recognitions, among them Hero of Work of the Cuban Republic. Talking once to the young scientists, he expressed that the most important thing is to keep the constant development and not to diminish the fighting spirit against the difficulties. ‘’It’s worthy because relief the human pain compensates any sacrifice’’.