Fig. 4From: Real-time computer-based visual feedback improves visual acuity in downbeat nystagmus – a pilot studyStatistical analysis (ANOVA, p = 0.043) shows a significant increase in SPV in the VA improvement group (mean SPV 2.9°/s; each dot indicates one subject) compared to the subjects without VA improvement (mean SPV 1.2°/s)Back to article page