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Macular hard drusen in the right eye. 65-year-old diabetic woman. Drusen, from the German word for node or geode (singular, "Druse"), are tiny yellow or white accumulations of extracellular material that build up between Bruch's membrane and the retinal pigment epithelium of the eye. The presence of a few small ("hard") drusen is normal with ...
In children, optic disc drusen are usually buried and undetectable by fundoscopy except for a mild or moderate elevation of the optic disc. With age, the overlying axons become atrophied and the drusen become exposed and more visible. They may become apparent with an ophthalmoscope and some visual field loss at the end of adolescence. [7]
NAION in patients with optic disc drusen has unique characteristics: earlier onset, history of transient visual disturbances, and generally better visual outcomes. Mechanical pressure from drusen on blood vessels near the optic nerve may contribute to NAION development in these individuals. [20] [21]
New research links Ozempic to a rare side effect that may affect eye health. Design by MNT; Photography by Community Eye Health, CC BY-NC 2.0 & NurPhoto/Getty Images This article originally ...
Eventually, these deposits become clinically visible drusen that affect photoreceptor health, causing inflammation and a predisposition to choroidal neovascularization (CNV). During the AMD disease course, the RPE/Bruch's function continues to deteriorate, hampering nutrient and oxygen transport to the rod and cone photoreceptors.
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Bruch's membrane thickens with age, slowing the transport of metabolites. This may lead to the formation of drusen in age-related macular degeneration. [4] There is also a buildup of deposits (Basal Linear Deposits or BLinD and Basal Lamellar Deposits BLamD) on and within the membrane, primarily consisting of phospholipids.
Over time, however, some people experience a gradual worsening of vision that may affect one or both eyes. [1] While it does not result in complete blindness, loss of central vision can make it hard to recognize faces, drive, read, or perform other activities of daily life. [1] Visual hallucinations may also occur. [1]