Comparison of K-Sol and M-K medium for cornea storage: results of penetrating keratoplasty in rabbits.

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Abstract
Five pairs of rabbit corneas were stored for two weeks at 4.degree. C, one of each pair in K-Sol medium, and one in McCarey-Kaufman (M-K) medium. After transplantation all penetrating keratoplasty grafts became clear and thin. Endothelial cells loss was significantly less in the K-Sol stored corneas. Another five pairs of corneas were stored for two weeks in K-Sol or three days in M-K medium. After penetrating keratoplasty there were no significant differences in clarity, thickness, or endothelial cell loss. The results indicate that K-Sol provides satisfactory medium-term corneal storage compared with short-term storage in M-K medium at refrigerator temperatures.