Can having cataract surgery also damage vision?

Not usually: Like all surgical procedures, cataract surgery can have complications. These complications can cause damage to the eye and vision. Fortunately cataract surgery complications are uncommon.

Rarely: If you have a complication such as an infection or retinal detachment, your vision may be worse after surgery. The chance of thus is small at about 1 out of 10, 000 though.

Yes, but not likely: Any surgical intervention carries some inherit risks. Cataract surgery is performed over 3 million time in the United States and has an extraordinarily high success rate. No surgery is risk free but cataract surgery is almost always successful.