Scarlett added: “I am not limited; I have lane ropes to keep me in the lane and control over what I am doing.

“We have tappers who tap us on the head or shoulders to let us know when we have to turn at the end of a length.”

The twins first started swimming as young children at their local swimming club.

“We are very close,” says Eliza.

“We made our competitive debuts together. We are now going to the Paralympics together. We use each other as motivation and are very competitive.

“We know how hard each other is working and we race against each other. The rivalry is always there but we are friends too and have a lot in common.”