intraretinal space

in·tra·ret·i·nal space

the cleft between the pigmented and neural layers of the primordial retina; it represents the cavity of the embryonic optic cup; retinal detachment occurs by the opening of this space.

intraretinal space

the space separating the outer pigment epithelium and the inner neural retina of the optic cup. Called also opticoel, optic cup cavity.