RP meaning in Medical ?
Answer: What is Retinitis Pigmentosa mean?
Retinitis pigmentosa (RP) is a genetic disorder of the eyes that causes loss of vision. Symptoms include trouble seeing at night and decreased peripheral vision (side vision). As peripheral vision worsens, people may experience "tunnel vision". Complete blindness is uncommon. Onset of symptoms is generally gradual and often in childhood.
Retinitis pigmentosa is generally inherited from a person's parents. Mutations in one of more than 50 genes are involved. The underlying mechanism involves the progressive loss of rod photoreceptor cells in the back of the eye. This is generally followed by loss of cone photoreceptor cells. Diagnosis is by an examination of the retina finding dark pigment deposits. Other supportive testing may include an electroretinogram, visual field testing, or genetic testing.
There is currently no cure for retinitis pigmentosa. Efforts to manage the problem may include the use of low vision aids, portable lighting or orientation and mobility training. Vitamin A palmitate supplements may be useful to slow worsening. A visual prosthesis may be an option in certain people with severe disease. It is estimated to affect 1 in 4,000 people.
In 2020, researchers were able to partially restore the sight of a 58-year-old man who had the disease for 40 years using optogenetic gene therapy. Several months after the injection, and with the help of engineered goggles, the man could recognize the white stripes on a pedestrian crossing, detect objects including a plate, mug or phone and identify furniture in a room. Prior to the treatment, the man could not see anything using the goggles.
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