Car Trip Puzzle

 

While driving the car on the dual carraige way, I saw the car in front had a number plate that read like this:

IXMNIZ

I thought to myself, What occupation did the man in the car have?

Can you work it out?

Answer Below

 

 

 

 

 

 

 

 

 

 

 

 

He was an optometrist. The license plate reads like this:

I-XMN-IZ

(So it reads I Examine Eyes)