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</html><description>Q. My ophthalmologist says I have drusen scattered over the macula in both eyes and wants to check them every nine months. Could you say something about what drusen are and what they mean? A. Drusen are small, yellowish deposits of cellular debris that accumulate under the retina &#x2014; the light-sensitive layer of cells at [&hellip;]</description><thumbnail_url>https://www.health.harvard.edu/media/1031</thumbnail_url></oembed>
