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
Difficulty stairs dim light PhenX
difficulty stairs dim light phenx