Figure 2. Smad3 gene deficiency reduced corneal haze in mice after alkali injury. The representative stereomicroscopic mouse corneal tissue images show the A: naïve; B: day 3; C: day 7; and D: day 21 post-alkali haze formation in Smad3^+/+ mouse strain corneal tissue. The stereomicroscopic mouse corneal tissue images show the E: naïve; F: day 3; G: day 7; and H: day 21 post-alkali haze formation in Smad3^−/− mouse strain corneal tissue. I: The haze quantification graph shows that corneal haze was significantly reduced in Smad3^−/− compared with Smad3^+/+ mouse corneal tissue (**p<0.01, ***p<0.001, scale bar = 0.5 mm).