Novelty Halloween contact lenses can cause blindness and should 'never be worn'

The lenses, available online and in fancy dress shops, can cause ulcers, tears on the cornea, infections and permanent sight damage, say doctors Many who wear them have never been shown how to deal with contacts Leanne Balloch, 21, was in agony after wearing cat’s eye contacts last…

Source:Novelty Halloween contact lenses can cause blindness and should ‘never be worn’