Horizontal cross-section of the eye. From left to right : the cornea which delimits the anterior chamber filled with aqueous humour. The close-up detail of the cornea illustrates its various layers, the epithelium, stroma and endothelium. The iris in bleu and the pupil in the centre, the sclera (beige), choroid (pink) to the ciliary bodies linked to the lens by suspensory ligaments. The optic nerve on the right extends to the retina.