• Three cases of graft rejection or primary donor failure after penetrating keratoplasty failed to respond to treatment. After cessation of therapy, these edematous corneas all cleared spontaneously in six to 17 months with the return of excellent vision. It is suggested that repeated keratoplasty be delayed up to 18 months in certain instances.
(Arch Ophthalmol 95:1538-1539, 1977)
Jules L. Baum. Late Spontaneous Clearing of Corneal Grafts. Arch Ophthalmol. 1977;95(9):1538–1539. doi:10.1001/archopht.1977.04450090060003