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Retinal hemorrhage (UK English: retinal haemorrhage) is a disorder of the eye in which bleeding occurs in the retina, the light sensitive tissue, located on the back wall of the eye. [1] There are photoreceptor cells in the retina called rods and cones , which transduce light energy into nerve signals that can be processed by the brain to form ...
A subconjunctival hemorrhage can often occur without any obvious cause or harm to the eye. A strong enough sneeze or cough can cause a blood vessel in the eye to burst. Hyphema is a result of blunt or penetrating trauma to the orbit that increases intraocular pressure, causing tears in the vessels of the ciliary body and iris.
A tear in the retina can allow fluids from the eye to leak in behind the retina, which causes retinal detachment. When this occurs, blood from the retinal blood vessels can bleed into the vitreous. [4] Retinal tear accounts for 11.4–44% of vitreous hemorrhage cases. [1]
Discover what this essential B vitamin can do for your body and whether you need more in your diet.
Signs of a biotin deficiency may appear gradually, per the NIH. In the later stages, a biotin deficiency can cause: Hair thinning. Hair loss. A scaly, red rash around orifices. Dry, red eyes ...
Subclinical deficiency can cause mild symptoms, such as hair thinning, brittle fingernails, or skin rash, typically on the face. [2] [4] Aside from inadequate dietary intake (rare), biotin deficiency can be caused by a genetic disorder that affects biotin metabolism. The most common among these is biotinidase deficiency.
The Marburg virus, which causes bleeding from the eyes, nose, and mouth, can be fatal in up to 90% of those infected Science Photo Library/Getty Stock image of the Marburg virus.
Therefore, all patients receiving TPN must also receive biotin at the recommended daily dose, especially if TPN therapy is expected to last more than 1 week. All hospital pharmacies currently include biotin in TPN preparations. [2] Protein deficiency (not certain): A shortage of proteins involved in biotin homeostasis can cause biotin deficiency.