Visual Analog Scale Visual Analogue Scale Visual Analog Scale VAS A psychometric response scale to assess subjective characteristics or symptoms, which relies upon a continuum of possible result values in between two fixed end-points. Visual Analog Scale CDISC C3536884 A psychometric response scale to assess subjective characteristics or symptoms, which relies upon a continuum of possible result values in between two fixed end-points. VISUAL ANALOG SCALE C121547 Intellectual Product Clinical or Research Assessment Scale Clinical Data Interchange Standards Consortium Terminology CDISC SDTM Terminology CDISC SDTM Method Terminology