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Introduction: Commercially available prostaglandin analogues (PGAs) activate the prostaglandin F receptor (FP) reducing intraocular pressure (IOP), thereby stabilizing glaucomatous optic neuropathy. Poor adherence with eye drops and intolerance impact treatment success.

Areas covered: We review developments in drug formulation and delivery, including punctal plugs, topical ring inserts, subconjunctival injections and inserts, and intraocular inserts. We also outline research into new fixed dose combinations that include prostaglandin analogues and preservative-free versions of established agents.

Expert opinion: Glaucoma is a chronic, usually progressive disease that causes irreversible visual loss. As its prevalence increases exponentially with age, it has significant implications as the population ages. Health resources need to meet increased demand for glaucoma management resources, including …