Intraocular pressure reduction in normal-tension glaucoma patients in South Korea.

To evaluate the potential benefit of intraocular pressure (IOP) reduction in normal-tension glaucoma (NTG) patients in South Korea. A retrospective, multi-center analysis of Korean NTG patients with 5-years follow-up, typical glaucomatous optic disc and/or visual field changes and no recorded IOP >21 mmHg. Progression was identified by Advanced Glaucoma Intervention Study visual field scoring.