Figure 7 of
Hageman, Mol Vis 1999;
Figure 7. Electron micrographs depicting the fourth and fifth drusen phenotypes
Transmission electron micrographs of a fourth drusen phenotype, characterized by the presence of large, lucent spherical elements (A), and a fifth phenotype (B; see also Figure 6B) consisting of vesicular elements mixed with material similar to long spacing collagen.