Experimental corneal grafting should be done on animals with corneas similar to human corneas. A surgical technique and postoperative management have been developed for penetrating keratoplasties in dogs which resulted in 78% crystal clear grafts.
McEntyre JM. Experimental Penetrating Keratoplasty in the Dog. Arch Ophthalmol. 1968;80(3):372-376. doi:10.1001/archopht.1968.00980050374017