How much time does it take after cataract surgery to heal ?

Depends: If depends on the surgical and anesthetic methods used, whether your eye has any pre-existing conditions, and whether there were any complications. You should ask you cataract surgeon for your specific situation.

Cataract surgery: Typically the vision is doing quite well in the first 7-10 days with a healthy eye and uncomplicated surgery. Reality is the eye is 90% healed at 30-45 days. Vision typically returns much quicker.