Longitudinal study, with biannual visits, including patients with: glaucoma, suspected of having glaucoma, non-glaucomatous optic neuropathies, AMD, retinal degenerations, other diseases involving the visual pathways, besides healthy controls. Subjects will perform standard ophthalmological exams, and the following research tests: psychophysical, eye tracking, electroencephalogram, driving simulator, virtual reality, balance assessment, and questionnaires.