Figure 1. Lens transparency evaluation and quantification. A: Comparison of lens transparency in 2-month-old WT, GPX1^−/−, and CAT^−/− mice. The lower panel shows the focusing of a metal grid by the lenses. B: Quantification of pixel brightness intensity to assess transparency in WT, GPX1^−/−, and CAT^−/− mouse lenses. The higher the pixel brightness intensity is, the lower the lens transparency. There is no statistically significant difference in transparency in the lenses of the GPX1^−/− and CAT^−/− mice compared to the WT lenses. Eight lenses were used for each mouse model. Error bars represent standard deviations.<Fig_Large></Fig_Large>