preferred_name: Documented, progressive thinning of the neuroretinal rim with an associated increase in cupping of the optic disc
preferred_name_lc: documented, progressive thinning of the neuroretinal rim with an associated increase in cupping of the optic disc
label: Documented, progressive thinning of the neuroretinal rim with an associated increase in cupping of the optic disc
label_lc: documented, progressive thinning of the neuroretinal rim with an associated increase in cupping of the optic disc