When numerous many individuals on this planet Are living with hearing loss that is described as disabling, Aissam is amongst People whose deafness is congenital. His is an extremely exceptional sort, caused by a mutation in a single gene, otoferlin. Otoferlin deafness affects about 200,000 people around the world. https://artsuppliesonline.us/products/36x48-inch-canvas-frame-for-oil-painting-and-wall-art