A talented make-up artist told how Covid-19 left her with permanent nerve damage in both eyes . Samantha Helen, 26, had to learn how to walk again as she adjusted to her 'new eyesight' after coronavirus caused her brain to swell up, a condition known as encephalitis. She was left with a 'mini' blind spot in her left eye - which she likened to 'a black orb' - and has ...