What procedures did Vincent go through to prevent his DNA from being discovered?

In the film "Gattaca," Vincent undergoes several procedures to prevent his DNA from being discovered. He uses a combination of physical alterations, such as wearing contact lenses and altering his appearance, to impersonate a genetically superior individual. Additionally, he employs the use of stolen identity documents and carefully manages his interactions to avoid detection by the authorities, who rely heavily on genetic profiling. His meticulous planning and attention to detail allow him to navigate a society that discriminates based on genetic makeup.