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Chapter 4

Case 4-9. Epiretinal Membrane

Clinical Summary

An 85-year-old woman had an epiretinal membrane and edema in the central macula of her left eye associated with a visual acuity of 20/60 (A). Fluorescein angiography (B) displayed straightening of the retinal arterioles inferior to the macula.

Optical Coherence Tomography

A sequence of horizontal tomograms (C) was obtained through the macula. Scan A, taken directly through fixation, showed loss of the normal fovea! contour, with a measured central thickness of 520 \im. The epiretinal membrane was tightly adherent to the retina in this region. In the superior tomograms, the membrane was condensed into a thick mass anterior to the retina.

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