Because of your eyesight, how much difficulty do you have going down steps, stairs, or curbs in dim light or at night:Find:Pt:^Patient:Ord:PhenX
because of your eyesight, how much difficulty do you have going down steps, stairs, or curbs in dim light or at night:find:pt:^patient:ord:phenx
Because of your eyesight, how much difficulty do you have going down steps, stairs, or curbs in dim light or at night:Finding:To identify measures at a point in time:^Patient:Ordinal:PhenX
because of your eyesight, how much difficulty do you have going down steps, stairs, or curbs in dim light or at night:finding:to identify measures at a point in time:^patient:ordinal:phenx