The patch over Kaylie Bailey's left eye is a daily reminder of when her beauty treatment nearly killed her.
The 36-year-old mum-of-three from Peterlee, County Durham, had paid Gemma Gray £75 for three "Botox" injections, half of what it had cost on a previous visit - the bargain turned out to be too good to be true.
Within days, Ms Bailey was struggling to see.
Doctors at Sunderland Royal Hospital diagnosed her with ptosis, an eye condition characterised by the drooping of the upper eyelid, and told her to go home to rest.
The hospital trust said that when Ms Bailey was discharged she had been advised to visit her GP if her condition worsened, and it had been explained to her that her symptoms were probably related to the treatment she had had.
It added that botulinum toxicity was a very rare condition "not seen by the majority of doctors during their careers".

