TGFB1 and Dyggve-Melchior-Clausen disease: In our future study, if possible, detection of TGF-β1, -β2 and -β3 concentrations in the vitreous humour of DMC group and a correlation analysis of TGF-β1, -β2 and -β3 concentrations between the AH and the vitreous humour might be significant.