Iridectomy

The operation for removing a piecefrom the iris for the relief of tension of theeyeball in the case of glaucoma, thus producingan artificial pupil.

Source: Ophthalmic Dictionary including pronunciation, derivation and definition of the words used in Optometry and Ophthalmology by James J. Lewis, Oph. D. Professor of Optometry in the Northern Illinois College of Ophthalmology and Otology, Chicago.