Good read for anyone never previously interested in eye sign , but old hat for those who have been interested for many years.
Most who have been interested for many years have come to realise that there are thousands of pigeons with ideal eye sign according to the theory that are rubbish and some with inferior eye sign according to the theory are very good.
Just look at the champions photographs in the sports publications and some of them would be dismissed as rubbish if considered on the eye sign.
You have certain breeds with nearly every pigeon having good eye sign, the Jan Ardens being one and the old Sions another.
I have won many eye sign shows and also judged them and it is a very interesting subject but the best way to evaluate a pigeon is in the actual races which do not lie and are irrefutable.
Regards.