Fig. 1
From: Effect of epidermal growth factor ointment on persistent epithelial defects of the cornea
Visual acuity, visual analogue scale (VAS) score, corneal sensation and the area of the epithelial defects before and after 1 and 2 months treated for persistent epithelial defects of the cornea with epidermal growth factor ointment. a Visual acuity (LogMAR). b VAS score. c Esthesiometer score (mm). d Area of the epithelial defect (mm2). * = significantly different between groups (p < 0.05, Wilcoxson-signed ranks test) LogMAR = logarithm of the minimum angle of resolution