Representative reconstruction of the ONL of the inferior (left) and superior (right) retina (composed of 12–13 consecutive histological segments of 75μm in width, each sectioned at every 340μm from the ONH to the ora serrate of each hemiretina) obtained from control BN and LE rats at P30 and P60.

<p>Abbreviations: Optic nerve head (ONH), Brown Norway (BN), Long Evans (LE) and postnatal day (P).