Preferred Label : VFQ25-Self Administered Format - Difficulty Going Down Steps at Night;
NCIt related terms : VFQ2-Difficulty Going Down Step at Night; VFQ209;
NCIt definition : Visual Functioning Questionnaire 25-Self Administered Format Version 2000 (VFQ25-Self
Administered Format) Difficulty With Activities: Because of your eyesight, how much
difficulty do you have going down steps, stairs, or curbs in dim light or at night?;
Alternative definition : CDISC: National Eye Institute Visual Functioning Questionnaire - 25 Version 2000 Self-Administered
Format - Difficulty With Activities: Because of your eyesight, how much difficulty
do you have going down steps, stairs, or curbs in dim light or at night?;
Origin ID : C112779;
UMLS CUI : C3827595;
Semantic type(s)
concept_is_in_subset