Abstract
Greenwood's<sup>1</sup>method of incising the iris on both sides of the iris forceps is equivalent to an isolation procedure, such as I recommended in 1927 for old, inflammatory prolapse and incarceration of the iris with danger of sympathetic ophthalmia. The segment of iris not only is thereby cut off from its connection with the rest of the iris, losing its wick effect, but constitutes a useless and nonvital, and under certain circumstances even dangerous, flap. Owing to its shortness, it may slip back, an occurrence which Greenwood tried to prevent by instillation of atropine, thus risking obstruction of the scleral hole and a lighting up of the glaucomatous process. The lowering of tension obtained by Greenwood is attributable to the simultaneously performed sclerectomy, so that in the final analysis his procedure consists of a Lagrange operation, rendered only more complicated and dangerous by his alleged improvement. Fortin,<sup>2</sup>at
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