Tip - Corneal Edema Treatments | LIVESTRONG.COM

The purpose of the inner layer or the endothelium of the cornea is to pump the fluid out of the cornea and keep it clear. When the endothelial cells stop working, the cornea swells; this is called corneal edema. The endothelial cells can be damaged in different ways—by surgical trauma, disease of the inner cell layer, trauma to the eye,...