Research Article: Clinical Performance of a New Trifocal IOL with a . mm Optical Zone
Introduction:
One of the most promising recent advances in cataract surgery to correct presbyopia is to reduce spectacle dependence at different distances in order to provide patients with a full range of vision from distance to near vision. The increasing demand for good visual acuity at different distances has pushed manufacturers to develop multifocal intraocular lens (IOL) technology based on the initial designs from the late s. , Bifocal and trifocal IOLs, which split light into two or three different foci, have been…
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