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”

A Wrinkle on Your Retina

An epiretinal membrane is a thin scar-like tissue that grows over the macula.   Vision is distorted, with straight lines appearing wavy. Treatment of an epiretinal membrane is not always necessary, especially if symptoms are mild.   However, if symptoms are more severe, then a vitrectomy is recommended.  Here, the scar tissue and vitreous are removed andContinue reading “A Wrinkle on Your Retina”