PLN and Schnyder corneal dystrophy: Although until a few years ago the idea of implanting a defibrillator based on a genetic test would have been considered “science fiction”, nowadays genetic testing is showing a progressively greater impact, especially in the case of mutations with a very high impact on survival free from SCD, such as LMN, Filamin C (FLNC), and Phospholamban (PLN gene) [10].