One could hazard a guess that since you have passed your Class 1, there shouldn't be a problem. However for your own peace of mind I suggest you do go ahead and spend $120 or whatever it would take to have what you need to get done to put your mind at rest. Better still, go to an aviation ophthalmologist if such a thing exist over there, and have it confirmed that you are within limits and that it is unlikely for you to over the limits.
I don't claim to know anything about the FAA medical, and I don't even know if amblyopia is a problem with FAA medical - I thought even monocular pilots could fly on SODA over there?
Anyway, go get checked out, seek professional opinion from those in the know (i.e. specialist in aviation ophthalmology or something like that), and save yourself a worry and potential waste of money. Good luck...