in taxon has component has component Vertebrata <vertebrates> simple eye simple eye with multiple lenses UBERON:0000050 Wikipedia:Eye#Multiple_lenses Simple eye that has two or more lenses. Some marine organisms bear more than one lens; for instance the copeopod Pontella has three. The outer has a parabolic surface, countering the effects of spherical aberration while allowing a sharp image to be formed. Copilla's eyes have two lenses, which move in and out like a telescope. transparent eye structure