Transplantation of Homografts of Sclera* *From the Section of Ophthalmology, the Section of Surgical Pathology and the Section of Surgical Research, Mayo Clinic and Mayo Foundation. This paper is an abridgment of the thesis submitted by Dr. Johnson (Fellow in Ophthalmology, Mayo Foundation) to the Faculty of the Graduate School of the University of Minnesota in partial fulfillment of the requirements for the degree of Master of Science in Ophthalmology.