[Medium term preservation of corneas. Comparative study of 4 preservation media]

A comparative study of four preservation medium was made (Corneal Storage Solution, K-Sol, RPMI Hepes buffer, RPMI bicarbonate buffer). After a five days preservation delay there is no statistical difference between the percentage of the endothelial cellular mortality amongst the three first medium. In the fourth medium the cellular mortality is statistically higher. For longer preservation delay between 5 and 15 days, only the corneas preserved in K-Sol medium have a cellular mortality under 20% and could be used for keratoplasty.