\ˌɪɹɪdˈɛktəmɪ], \ˌɪɹɪdˈɛktəmɪ], \ˌɪ_ɹ_ɪ_d_ˈɛ_k_t_ə_m_ɪ]\
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By Stedman, Thomas Lathrop
By William R. Warner
The operation of excising a part o the iris. I. is done to enlarge the pupil when the normal pupillury area is covered by an opacity or is otherwise rendered unfit for seeing (Optical i.); to diminish intra-ocular tension in glaucoma; and, in operating for cataract, to increase the space through which the lens has to pass. Hence, Iridectomise, to perform i. upon.
By Alexander Duane
By Willam Alexander Newman Dorland