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sion nasal to the fovea in her left eye associated with a visual acuity of 20/25. Dilated fundus examination (A) revealed a large area of yellow subretinal material which was identified as a large drusen with dystrophic calcification.

Optical Coherence Tomography

An OCT tomogram (B) taken just superior to the fovea disclosed a focal elevation of the retinal pigment epithelium nasal to the center consistent with the accumulation of sub-retinal pigment epithelial (RPE) material or a diffuse thickening of Bruch's membrane. The overlying sensory retina was mildly thinned in this region, and the elevated RPE did not shadow the reflections from the more outer layers of the retina.

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