Generally, in the public health system and in most private clinics, the intraocular lens implanted after removal of the crystalline lens is monofocal. It only corrects distance vision, with the use of glasses being necessary for near or medium distance vision.
At Vistaláser Oftalmología we are specialists in implanting multifocal intraocular lenses to replace the crystalline lens, which allow focusing at a distance and at close range and make it possible to see well at all distances. The design of these lenses is such that it is not necessary, as with progressive glasses, to look down to see up close and straight ahead to see objects at long distances. With progressive multifocal lenses, in any viewing position (front, up or down), objects that are far, near or in the middle distance are in focus. It is the brain that naturally and without a learning or adaptation period selects the image of the desired object at that moment.
It is a stable and definitive solution because when the crystalline lens is removed, the transparency of the ocular optical system is restored and there are no longer any changes in the eye’s prescription.