title: [Diagnostic value of the nasal step in the visual field as an early sign of glaucoma].
mesh_terms: D003116:Color; D005901:Glaucoma / Q000175:diagnosis*; D006801:Humans; D013997:Time Factors; D058609:Visual Field Tests / Q000379:methods; D014794:Visual Fields
vernacular_title: O diagnosticheskoĭ tsennosti nazal'noĭ stupen'ki v pole zreniia kak rannego priznaka glaukomy.