The lens is a natural, transparent lens that performs autofocus from far and near. Cataract is the opacification of the lens.
Good distance vision without glasses. Reading glasses are required.
Good vision WITHOUT GLASSES from far, near and in intermediate distance.
They correct astigmatism.
They keep the intraocular lens stable.
They correct myopia, hyperopia and astigmatism in cases where laser surgery cannot be performed.