Question

which lens is used to correct cataract

Answer 1

to correct cataract no lens is used , only surgery can correct it.

Answer 2

Intraocular lenses (IOLs) are medical devices that are implanted inside the eye to replace the eye's natural lenswhen it is removed duringcataract surgery. IOLs also areused for a type of visioncorrection surgery called refractive lens exchange