label: Kurtzke Functional System Scores KFSS106 Original Result - Worse eye with maximal visual acuity (corrected) less than 20/200; grade 4 plus maximal acuity of better eye of 20/60 or less
label_lc: kurtzke functional system scores kfss106 original result - worse eye with maximal visual acuity (corrected) less than 20/200; grade 4 plus maximal acuity of better eye of 20/60 or less