Treatment
Currently there is no cure for retinitis pigmentosa, but treatments are now available in some countries. The progression of the disease can be reduced by the daily intake of 15000 IU (equivalent to 4.5 mg) of vitamin A palmitate in some patients. Recent studies have shown that proper vitamin A supplementation can postpone blindness by up to 10 years (by reducing the 10% loss pa to 8.3% pa) in some patients in certain stages of the disease. When it received market approval in February 2011, the Argus II retinal implant became the first approved treatment for the disease (CE Mark demonstrating safety and performance), and it is available in Germany, France, Italy, and UK. Interim results on 30 patients long term trials were published in Ophthalmology in 2012.
Read more about this topic: Retinitis Pigmentosa
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