We report the case of a patient with multiple endocrine neoplasia type three, which was first diagnosed by members of the department of Ophthalmology. He was found to have multiple mucosal neuromata and medullary thyroid carcinoma. The ocular components of this syndrome include visible corneal nerves, conjunctival neuromas, thickened lids, anterior displacement of the cilia and a "dry eye" syndrome. The major systemic components are medullary thyroid carcinoma and pheochromocytoma. It is important that the Ophthalmologist recognize the ophthalmic manifestations of this syndrome so that early diagnosis and treatment may be possible.