Abstract

Prophylactic laser peripheral iridotomy and cataract surgery have proven effective in widening the iridocorneal angle associated with PACS. The objective of this study is to compare the impact of LPI and cataract surgery on anterior chamber angle parameters.A prospective comparative study was conducted involving 76 eyes of 61 patients.The study focused on patients diagnosed with PACSs and early cataract.Patients with evidence of a previous acute episode of angle closure, PACG, ocular hypertension, corneal abnormalities and cataract obscuring posterior segment examination were excluded. Gonioscopy and ASOCT were performed and follow-up examinations were conducted at 1 week and after 1 month. All anterior chamber angle parameters increased significantly after treatment in both groups, including trabecular iris angle (TIA), angle opening distance.Moreover the parameters were greater after cataract surgery than after LPI and no residual angle closure was observed after cataract extraction.