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Functional Vision Assessment Over 4 Years in USH2A Using the Veteran Affairs Low-Vision Visual Functioning Questionnaire.
Parekh Bela, Peck-Dimit Nicholas, Duncan Jacque L, Samarakoon Lassana, Abalem Maria Fernanda, Andrews Chris A et al.
Invest Ophthalmol Vis SciMay 20250 citationsObservational Study
This study found the VALVVFQ-48 questionnaire may not be sensitive enough to track long-term functional vision changes in all USH2A patients, despite some decline in scores.