Figure 6 of Pendergrass, Mol Vis 2011; 17:2672-2684.

Figure 6. Examples of old dog and human lenses with nuclei retention. A: 17-year-old affected dog lens showing retained nuclei. B: An 88-year-old human lens with retained nuclei. Some dog and human lenses were not affected. Other details are as described in legend to Figure 1.