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Cherry-red spot as seen here in Tay–Sachs disease, caused by the fovea's center appearing bright red because it is surrounded by a whiter than usual area. Metabolic Storage Diseases:, [6] [7] Tay–Sachs disease; Farber disease; GM1 and GM2 gangliosidoses; Metachromatic leukodystrophy; Niemann–Pick disease; Sandhoff disease; Sialidosis
Cherry-red spot as seen in the retina in Tay–Sachs disease. The fovea's center appears bright red because it is surrounded by a whiter than usual area. Specialty: Medical genetics: Symptoms: Initially: Decreased ability to turn over, sit, or crawl [1] Later: Seizures, hearing loss, inability to move [1] Usual onset: Three to six months of age ...
The entire retina (with the exception of the fovea) becomes pale and swollen and opaque while the central fovea still appears reddish (this is because the choroid color shows through). This is the basis of the famous "Cherry red spot" seen on examination of the retina on funduscopy of a central retinal artery occlusion (CRAO).
Inflammatory skin conditions: Eczema, acne, and rosacea are just a few common skin conditions that can cause facial redness. With eczema, you have redness caused by products or atopic dermatitis ...
The extra skin cells form itchy, scaly, red patches. In addition to red, patchy skin, you may have joint pain or pitted or thickened nails. In skin of color, the rashes appear more dark brown or ...
Cherry angioma, also called cherry hemangioma [1] or Campbell de Morgan Spot, [2] is a small bright red dome-shaped bump on the skin. [3] It ranges between 0.5 – 6 mm in diameter and usually several are present, typically on the chest and arms, and increasing in number with age. [3] [4] If scratched, they may bleed. [5]
In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
The macula (/ˈmakjʊlə/) [1] or macula lutea is an oval-shaped pigmented area in the center of the retina of the human eye and in other animals. The macula in humans has a diameter of around 5.5 mm (0.22 in) and is subdivided into the umbo, foveola, foveal avascular zone, fovea, parafovea, and perifovea areas.