is the most common reason for a penetrating keratoplasty. Edema
of the epithelial cells followed by subepithelial bullae is seen.
Intraepithelial cysts can occur as fragments of basement membrane
can deposit within the epithelium. In aphakic or pseudophakic
bullous keratopathy, the surgical trauma decreases the number
cells and the cornea stroma cannot rid itself of excess fluid
and becomes edematous and cloudy. Back