Hi,
Take a look at the JAA website:
http://www.jaa.nl/jar/jar/jar/jar.fcl.3.1.b.3.220.htm
This gives you the visual reqirements needed to hold a Class1 medical.
Also look ar
www.srg.caa.co.uk
Under flight crew/medical/documents.....this gives CAA info.
Happy landings
Barney