Requirements for a Class 1 medical certificate are going to change and become more similar to the american ones by April 2012 if nothing has changed.
We should have some up to date from EASA this month, and I hope requirements will change and become less strict become I too have issues in the visual field.
Anyway, you should be able to get a Class 1 medical certificate if you are a holder of a CPL FAA or ICAO.
I've heard a lot of stories about this way to get a class 1 medical certificate in Europe and it works!