Fig. 10. Scanning electron micrographs illustrating the tightly packed mass of fiber cells in the human lens. Panel A shows a low-magnification view of a lens from a 45-year-old donor. The lens has been split in half. Panel B shows a higher magnification view of a lens from a 38-year-old donor. (Al-Ghoul KJ, Nordgren RK, Kuszak AJ et al: Structural evidence of human nuclear fiber compaction as a function of aging and cataractogenesis. Exp Eye Res 72:199, 2001)