Retinoblastoma (Rb) is a rare form of cancer developing rapidly from the light-detecting tissue of the eye, the immature cells of a retina. In children, it is the most common malignant cancer of the eye, and in most cases, it is found in young children, and while most children survive the cancer, vision in the eye or eyes affected might be lost or need to have the eye removed. This is the forum for discussing anything related to this