Expression profiles of 8 of these filtered 176 genes, i.e., EGFR, NEUROD1, RPS6KA3, DLG1, NR4A3, NTRK3, BRCA1, and BCL6, were further validated by qPCR in 10 FCD type II patients and 10 control samples (Fig. 2C). Here, EGFR is linked to fleck corneal dystrophy.