The technical aspects of transplantation of the cornea have been the subject of numerous investigators for more than one hundred years. Not until von Hippel,1 Elschnig,2 and, more recently, Filatov,3 Thomas4 and Castroviejo5 were the manifold difficulties largely surmounted. However, as the surgical procedure now will result in success in the majority of cases when employed by trained operators, the demand for corneal material with which to provide transparent cornea far exceeds the cornea available.
In certain European countries, notably Russia, where blindness is prevalent, the source of corneal tissue is more abundant in that the laws of the country allow use of cadaver eyes. However, in America social legislation has not as yet permitted this rich reservoir to be tapped, and in spite of valiant efforts toward this goal, ophthalmic surgeons still are dependent for corneal tissue on eyes which have been enucleated because