Excision is recommended if the iris is impossible to clean or if it is very necrotic, but the area of excision should be kept to the minimum, and reconstruction of the diaphragm should always be on the surgeon's mind (see Chap. 2.6). Diathermizing the iris before cutting is advisable if the iris is non-necrotic to prevent a major bleeding.

If a significant hemorrhage occurs during excision or reposition, it must be stopped using the endodiathermy probe to prevent blood accumulation in the AC or in the vitreous.

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