Additional file 1: Figure S1. Corneal nerve regeneration after topical application of 0.24, 1.07 or 4.76 mg/ml decorin at 1 week after corneal injury. Figure S2. Initial central corneal abrasion area at time 0 h, as measured using en face images of the injured corneas acquired using spectral domain optical coherence tomography. Figure S3. Corneal immune cell changes 24 h after injury and topical decorin treatment in Cx3cr1gfp/gfp mice that spontaneously lack intraepithelial DCs.