Figure 3 of Tanwar, Mol Vis 2010; 16:2395-2401.

Figure 3. DNA sequence chromatogram of VSX1 equivalent to codon 236 to 239. A: The reference sequence derived from control is shown. B: Sequence derived from keratoconus patient shows homozygous T>A nucleotide change which predicts a codon change CCT>CCA and synonymous change p.P237P.