part of part of in taxon results in acquisition of features of lens fiber cell lens development in camera-type eye cell differentiation epithelial cell differentiation lens fiber cell differentiation lens fibre cell differentiation The process in which a relatively unspecialized cell acquires specialized features of a lens fiber cell, any of the elongated, tightly packed cells that make up the bulk of the mature lens in the camera-type eye. The cytoplasm of a lens fiber cell is devoid of most intracellular organelles including the cell nucleus, and contains primarily crystallins, a group of water-soluble proteins expressed in vary large quantities. GO:0070306 Vertebrata <vertebrates>