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PURPOSE: The purpose of this study was to evaluate the effect of treating ocular surface disease (OSD) in patients with medically uncontrolled primary open-angle glaucoma (POAG) associated with OSD. METHODS: We compiled a retrospective observational case series of 10 patients with POAG that remained uncontrolled with topical treatments and who were referred for filtering glaucoma surgery. All patients underwent a complete assessment of their glaucoma and ocular surface for both eyes. The main treatments were change of topical antiglaucoma medications to preservative-free equivalents, removal of allergenic treatments or those identified as causing side effects, switch to another therapeutic class with the same efficacy but with a better safety profile and treatment of OSD. RESULTS: After a minimum follow-up of 6 months, we observed improved ocular surface in all patients, associated with an intraocular pressure (IOP) decrease or stabilization even if some antiglaucoma medications were removed. The mean IOP significantly decreased from 23.75±9.98 mm Hg to 15.15±4.75 mm Hg (-36.2%; P=0.0001). The mean number of IOP-lowering medications was 3.7±1.06 at presentation and 2.8±0.63 after treatment (P=0.01). The Oxford score also decreased from a mean 1.7±0.67 to 0.4±0.51 (-76.5%; P<0.001). For 2 patients, IOP was not sufficiently reduced after treatment and they finally underwent filtering surgery. CONCLUSIONS: The prevalence of OSD in POAG patients is very high, particularly in patients with uncontrolled glaucoma with multiple topical medications. Careful management of the ocular surface associated with a reduction of the toxicity of eyedrops may result in improvement of ocular surface health and better IOP control.
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2.1 Conjunctiva (Part of: 2 Anatomical structures in glaucoma)
2.2 Cornea (Part of: 2 Anatomical structures in glaucoma)