Transverse section of the fused eyes. A) Gross view showing two separate lenses (L), retina (R), and partially fused optic nerve (ON). An incomplete septum extends posteriorly from the anterior sclera (asterisk). B) Histological section demonstrating a single common posterior chamber containing laminated and disorganized neural retina. C) Higher magnification of the disorganized retina showing dysplastic rosettes (hematoxylin and eosin B, C).