Download the application forms from your country thai embassy or consult the medical form is there. If you have a good relationship with your gp and they know your medical history they will sign it easy I didn't do any tests. OA and OX in Australia at least have nothing to do with BOI
Apply for TR60 visa 60 days via Sydney thai consulate this can be extended at immigration for another 30 days giving you 90 days with out leaving Thailand
Sat and watched the police for about 1.5 hours this afternoon. They were booking all including thai. One young thai lady got fined no licence and no helmet.
Those with idp were all ok to go. One Indian couple tried to argue that it was the renters fault because they didn't advise them you actually need a licence, didn't do them any good they paid.