Ed O'Neill -- Good Genes or Good Docs?

Ed O'Neill's good looks are far better than any other modern man.

Here's a 47-year-old version of the blue-eyed "Married with Children" father back in 1993 (left) and 25 years later ... the now 72-year-old "Modern Family" actor (and real-life father of 2) rockin' glasses at a party in Los Angeles earlier this year (right).

Happy Father's Day!

The question is ...