Level of difficulty seeing because of changes in vision clarity during the course of the day:Find:Pt:^Patient:Ord
level of difficulty seeing because of changes in vision clarity during the course of the day:find:pt:^patient:ord
Level of difficulty seeing because of changes in vision clarity during the course of the day:Finding:To identify measures at a point in time:^Patient:Ordinal
level of difficulty seeing because of changes in vision clarity during the course of the day:finding:to identify measures at a point in time:^patient:ordinal