16 Stone! It will affect your ability to clear the fence at the end of the runway.
and looking at the height to weight ration my ideal weight is around 10.
Is that the equivalent of a Freudian slip?
Being a pilot is a lot about self discipline. Weight control is a lot about determination. You've made a start, so good luck.
The hearing thing: You'll probably need to approach the medical department armed with specialist opinion. Odds are, if you don't have that, they'll simply tell you to go do it.
Should there be a rule that would cause total rejection, it could probably be determined on the phone ahead of spending anything - if no one on this forum knows the answer.