An unusual spot

The retinal pigment epithelium (RPE) is the pigmented cell layer just outside the neurosensory retina that nourishes retinal visual cells, and is attached to the choroid beneath and the retina above.   The 7 functions of the RPE are:    1.   light absorption essential   2.   epithelial transport   3.   spatial buffering of ions.   4.  visual cycle.  Continue reading “An unusual spot”

Yellow spots in the eye

Drusen are tiny yellow deposits in a layer of the retina called Bruchs membrane. They are the most common early sign of dry macular degeneration. Drusen are made up of lipids, a type of fatty protein, which may be the result of a failure of the eye to dispose of waste products properly. There are severalContinue reading “Yellow spots in the eye”