Relationship of ocular pigmentation to the boundaries of dorsal and ventral retina in a nonmammalian vertebrate.

The goldfish eye and retina are partitioned traditionally into dorsal and ventral sectors by a horizontal meridian that passes through the optic disc and is perpendicular to a vertical meridian that extends from the remnant of the choroid fissure through the optic disc. Axons of retinal ganglion cells (RGCs) situated above the horizontal meridian are… CONTINUE READING