ABSTRACT Normal-tension glaucoma (NTG) is a glaucomatous optic neuropathy that occurs in the absence of intraocular hypertension, and its pathophysiology is not solely dependent on pressure-related factors. Extrinsic mechanisms, such as autonomic dysfunction and microvascular hemodynamic alterations, have been implicated in its progression, with obstructive sleep apnea (OSA) standing out as an important contributing factor. We report the case of a patient with NTG and severe OSA confirmed by polysomnography, who exhibited progressive structural and functional loss despite controlled intraocular […]