Figure 3 of Pendergrass, Mol Vis 2011; 17:2672-2684.

Figure 3. Examples of retained nuclei in three different strains of old mice. A: A typical C57BL/6 mouse at 28 months old. B: CBA at 27 months old mouse lens that was the most affected with internal nuclei. C: A typical old DBA mouse at 24 month. See Figure 5 for analyses of multiple mice. Other details as in legend to Figure 1.