If not, can you name any other notable athletes, in any sport, who wear or wore prescription glasses while competing who was not mentioned in the story?
In Rio there are athletes competing who have been banned for taking drugs and Lizzie's getting all this flak for something she's been cleared of.
"When I started there were a lot of thirty and fortysomethings competing who were stepping up from marathons, but the sport has exploded in the past five years and a lot of younger people have taken it up," she says.
"If you are a disabled kid and you see someone like you competing, who also happens to be a great athlete, imagine the confidence boost that will give and the impact on your life".
2.46pm: Hot Brit action on the horses and it's Nick Skelton competing, who seems to be having no trouble staying on the back of his horse as it runs round the arena.
The 28 sports federations which hold the fate of Russia's Olympic athletes in their hands have been warned they face "huge damage claims" if they block anyone from competing who has not been sanctioned for doping.
