The most powerful refractive surgery that we have is cataract surgery. We can address +10 diopters or more of hyperopia, -30 diopters or more of myopia, and even large degrees of corneal astigmatism with toric IOLs. We can even address presbyopia to provide a wide range of vision without the need for eye glasses. There are many important topics in refractive cataract surgery and this playlist serves as a good start with four important topics.