Ok Im not an expert on this but I may be able to help. As far as I know there are eye excerise's you can do to help your eye musles, u get a card with dots on it and u have to hold the card at the bridge of your nose and follow the dots up and down, I had to do it for some reason or another when I was younger.
Im afraid more than likely they probably will fail you if they are not happy with the consultants report, they are very strict as I learnt a few weeks ago as well, u'd swear they were looking for something to fail you on!