Recurrent carcinoma in situ of the conjunctiva and cornea (Bowen's disease)

If the optical axis is not involved, care is taken to spare that portion of the cornea (Figs. 1-E and F and 2) . A lamellar dissection is started in clear cornea and is extended beneath the tumor mass into the sciera which is dissected to the rectus muscle insertions. The conjunctiva is excised up to the cul-desac. Clinical judgment decides if the semilunar fold must be sacrificed. The result in an en bloc resection of the tumor. The corneal defect is filled with a lamellar corneal graft. The con