How long does it take to become an opthamologist?

Below is the basic steps in becoming a opthamologist

1) 4 years of undergrad or more depending on how fast you finish up, during this time youll be taking 1 year of bio, 1 year of chemistry, 1 year of organic chemsitry, 1 year of physics, 1 year of english, 1semester of calculus, and other humanities. you don;t have to be a Biology major, but most students are. you will also be taking the MCAT

2) 4 years of med school

3) 5-8 years of residency