International standard for perfect vision is 20/20 or 6/6 in British terms. It depends on how the cataract is affecting the vision, not only in quality but also in quantity. After the surgery you will have a clear lens in place.
Question
How much expected improvement to vision can I expect after cataract surgery?
Doctor's Answers 1
Similar Questions
Can I get cataracts again after cataract surgery?
No, once you have the lens removed and replaced, you won't get cataract again, it's impossible.
How much improvement to my vision should I expect after a cataract surgery?
If you eyes are healthy with only cataract formation and do not suffer any other aging eye diseases such as Glaucoma or Macular Degeneration, then you shold expect near 100% improvement of vision after a successful and uncomplicated cataract surgery. Moreover, the most advanced cataract surgery can also correct your lifetime's myopia and presbyopia to help you achieve post-operative spectacle freedom.