Fig. (1) Human lens capsule epithelium specimens after 1 and 2 weeks of culturing respectively. Human lens capsule epithelium specimens were obtained at cataract surgery. Figs. (1A, B) show the same specimen, derived from an 85-year-old woman, after 1 week (A) and 2 weeks (B) respectively. The size of the capsule before outgrowth of epithelial cells was 5 mm. Lens epithelium cells were stained with the non-toxic fluorogenic compound carboxy-fluorescein diacetate succinimidyl ester (CFDA SE) to facilitate monitoring of cell growth. Original magnification x20 is shown.