<prompt> Lens sutures are formed inFoetal nucleusEmbryonic nucleusInfantile nucleusAdult nucleus  <response>: Development of Lens Surface ectoderm Classification of nucleus formed during lens development Embryonic 0-3 months Fetal 3 months to gestation Infantile from bih to pubey Adult adult life Sutures Seen in fetal nucleus Anterior Y shaped Posterior inveed Y shaped 