iridecˈtomy noun

Surgical removal of part of the iris

iridodiagnosˈtics singular noun

Diagnosis by examination of the iris

iridolˈogist noun

iridolˈogy noun

Study of the visible parts of the eye, esp the iris, by which physical and emotional disorders and tendencies may be revealed

iridotˈomy noun

Surgical incision into the iris of the eye