In PBMCs, the expression of TGFβ1 and TGFβ2 was about twofold higher in the congenital cataract patients compared to the patients with traumatic cataracts, and a statistical significance was found (TGFβ1 p<0.0001, TGFβ2 p<0.0001, Mann–Whitney U test). Here, TGFB2 is linked to cataract.