<p>The invention relates to a dual-media approach for culturing isolated corneal endothelial cells. Isolated corneal endothelial cells are first contacted with a proliferative medium to propagate and/or expand the endothelial cells followed by a maintenance medium to preserve the morphology and/or characteristics of the corneal endothelial cells. The invention includes the proliferative medium and the maintenance medium and also a combination of the two medium.</p>