Preferred Label : Impact of Visual Impairment Scale Questionnaire;
NCIt synonyms : IVIS;
NCIt related terms : IVIS01;
NCIt definition : A standardized rating scale developed by the National Multiple Sclerosis Society in
1997, which was based on items derived from the Functional Capacities Assessment developed
by the Michigan Commission for the Blind. This questionnaire measures the level of
visual function and difficulties with simple visual tasks such as reading and watching
television. The questionnaire contains 5 questions which are scored ranging from 0
(not at all difficult) to 3 (could not do due to visual problems).;
Alternative definition : CDISC: Impact of Visual Impairment Scale (IVIS) (1997 by the National Multiple Sclerosis
Society. All rights reserved).;
Origin ID : C113876;
UMLS CUI : C3826990;
Semantic type(s)
concept_is_in_subset