Retinal pigment epithelium
The retinal pigment epithelium sits on top of the retina and is connected to the photoreceptors to maintain visual function (Strauss, 2005) and it reduces the backscattering of the light (Purves, 2018).
Antibodies that label the Retinal Pigment Epithelium
References
Purves, D., et al. 2018. Neuroscience. 6th Edition, Sinauer Associates, New York.
Strauss O. 2005. The retinal pigment epithelium in visual function. Physiological Reviews. 85:845-881.