the membrane separating the pigment epithelium of the retina and the choriocapilaris of the choroid

A thin layer of fibrous proteins that separates the retinal pigmented epithelium from the choroid. It serves to support and anchor the cells of the pigmented epithelium as well as helping to regulate the exchange of materials between the retina and the blood vessels in the choroid.

the innermost membrane of the choroid layer within the retina. The lamina vitrea. Carotenoids - photochemical and photosensitive agents in plants and animals, composed of fat-soluble, highly-unsaturated pigmented organic chemicals.