Title: A review of the first book on the diseases of the eye, by Benvenutus Grassus, 1474. Exhibition of three other fifteenth century monographs: (a) The first medical dictionary, Synonyma simonis genuensis, 1473; (b) The first book on diet, by Isaac, 1487; (c) The second edition of the first book on diseases of children, by Paulus Bagellardus, 1487