<prompt> Peripheral iridectomy is indicated in-a Acute angle closure glaucoma b Open angle glaucomac Malignant glaucomad In ICCEe Pupil block glaucomaacdadeabdad  <response>: Indications of peripheral iridectomyClosed angle glaucoma with papillary block.As a part of cateract surgery: - All ICCE, some cases of ECCE.For optical purpose optical iridectomy In corneal opacitiesAbscission of the prolapsed irisIris bombe formation annular synechiaeFor removal of foreign body, cyst or tumour of the irisAs a part of trabeculectomy operation and in penetrating keratoplasty 