Optimizing the ULV-VFQ for Clinical Use Through Item Set Reduction: Psychometric Properties and Trade-Offs.

Transl Vis Sci Technol · 2017 · PMC5450924 · PMID 28573076

Europe PMC DOI

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may be significantno p-value reported

Based on the vector maps in the left, it appears that a second dimension, differentiating illumination (environmental lighting) from familiarity, size, and distance for visual aspects, or reading from mobility for functional domains, may be significant.

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