passages.id: split_4_validation_1167_passage
passages.type: progene_text
passages.text: The mean visual acuity change ( and range of change ) from baseline at the follow - up examination at week 12 after a single treatment with regimens 1 through 5 was - 0.2 ( - 3 to +2) , - 0.9 (-9 to + 5 ) , - 1.6 (-9 to + 2 ) , + 0.4 (-8 to + 7 ) , and + 0.1 ( - 8 to + 9 ) lines , respectively .