Congenital epithelial cysts of the iris stroma.

Although epithelial implantation cysts in the anterior chamber and iris have often been described, spontaneous congenital epithelial cysts of the iris stroma are not common. A cyst large enough to obstruct vision and cause amblyopia was removed surgically from a 6-month-old infant. The presence of goblet cells in th epithelium may be related to the embryologic source or the cells.