If the range for monovision doesn't exceed 2 diopters (e.g., plano and -2D), intermediate (computer) vision is good. When the range exceeds 2 diopters, there will probably be a gap in crisp vision.
Monovision can be accomplished with contact lenses, refractive surgery (e.g., LASIK, PRK), and cataract surgery (monofocal IOLs).
The best candidate for monovision with IOLs is someone who has been successful with monovision with contacts or post-LASIK/PRK.
You can only have two of three.
Dr. O.