Figure 9 of Pendergrass, Mol Vis 2011; 17:2672-2684.

Figure 9. Internalized nuclei in monkeys, dogs, and humans. Internal nuclei and nuclear fragment grades for individual A: Rhesus Monkeys, 20 individual monkeys; B: Dogs, 7 individual dogs; and C: Humans, 7 individuals. Only relatively old dogs and human lenses were available. Each point represents average values for one animal. Other details are as described in legend to Figure 1.