Paddy goes to the opticians to have his eyes tested.
He sits down and the optician covers Paddy's right eye and asks him to read with the left one.
Paddy opens his left eye.
"OK", says the optician who can see Paddy is confused, "Do it the other way around".
He covers Paddy's right eye.
Paddy opens his right eye.
"This isn't working - hang on", says the optician, goes into the other room and comes back with a cornflake packet with a hole cut in it.
He puts it over Paddy's head and asks him to open his right eye.
Paddy starts crying.
"What's wrong?", asks the optician.
Paddy sniffs and says "Oi wanted a pair wid gold rims loik me brudder's got".