Lens contains the oldest cells in-
Nucleus is the central pa containing older fibres. Embryonic zone of nucleus (embryonic nucleus) contains oldest fibres. Coex contains the youngest fibres. Ref: Parson's 22nd/e p.261&21st/e p.256,257; Khurana 7th/e p.185&4th/e p.167.
Nucleus
Anterior surface of lens
Posterior surface of lens
Nucleo- coical junction
Lens