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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.
These can include nasal step defects, enlarged blind spots, arcuate scotomas, sectoral field loss and altitudinal defects. [6] Clinical symptoms correlate to visibility of the drusen. [ 13 ] Central vision loss is a rare complication of bleeding from peripapillar choroidal neovascular membranes .
Inner ear decompression sickness, (IEDCS) or audiovestibular decompression sickness is a medical condition of the inner ear caused by the formation of gas bubbles in the tissues or blood vessels of the inner ear. Generally referred to as a form of decompression sickness, it can also occur at constant pressure due to inert gas counterdiffusion ...
Once dissolved, distribution of the dissolved gas is by perfusion, where the solvent (blood) is circulated around the diver's body, and by diffusion, where dissolved gas can spread to local regions of lower concentration when there is no bulk flow of the solvent. Given sufficient time at a specific partial pressure in the breathing gas, the ...
The Oticon Real is an over-the-ear hearing aid that comes in two styles: behind-the-ear (BTE) with the receiver in canal (RIC) or behind-the-ear where the hearing aid hooks over the top of your ...
Cochlear hydrops preferentially affects the apex of the cochlea where low-frequency sounds are interpreted. Due to the fluid imbalance in this area, parts of the cochlea are stretched or under more tension than usual, which can lead to distortions of sound, changes in pitch perception, or hearing loss, all usually in the low frequencies.
One of the most difficult aspects of Dry January can be avoiding the temptation of alcohol and figuring out what to order in social settings where friends or family members are drinking.
Still, it should be noted that alopecia areata is unpredictable, and the exact cause can vary by person. Here are some things to avoid when you have alopecia areata. 1.