Upon excision of the superficial layers of an opaque cornea, as a method of restoring vision

"Extracted from the London and Edinburgh monthly medical journal, March 1844." -- cover "Read before the Medico-Chirurgical Society of Edinburgh, Feb. 9, 1844." -- p. [3] Cover title Summary of communications with Dr. Gulz, lately chef de clinic and assistant to Dr. von Rosas at the Great Ophthalmic Clinic in Vienna and review of their operations and procedures for the opaque cornea