preferred_name: Degeneration of retinal pigment epithelium (relatively less involvement of central retina)
preferred_name_lc: degeneration of retinal pigment epithelium (relatively less involvement of central retina)
label: Degeneration of retinal pigment epithelium (relatively less involvement of central retina)
label_lc: degeneration of retinal pigment epithelium (relatively less involvement of central retina)