Povidone-iodine (PVI) is a universally accepted antiseptic agent used in ophthalmic surgery. Insufficient antisepsis in patients with self-reported allergies to iodine has led to devastating complications. The aim of this study was to review the current evidence for alternatives to PVI in ocular surgery. Aqueous chlorhexidine has been used as a primary antiseptic agent in Sweden for several years and has proven efficiency and safety; in a study of a large series of intravitreal injections in Australia, the endophthalmitis rates were.similar to those after the use of PVI. The evidence related to using other disinfectants such as picloxydine, hypochlorous acid solution, and polyhexanide is scarce. Single studies have shown lower patient discomfort after conjunctival lavage with chlorhexidine or hypochlorous acid than with PVI. No evidence was found to suggest changing from PVI to other antiseptic agents. Disinfectant solutions other than PVI or chlorhexidine will require further investigations to show their utility in ocular surgery.
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