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There is no single "best intraocular lens," whether single vision, toric, or presbyopia-correcting. All IOLs vary in optical performance, with incremental improvements over time from advances in technology. What is the "best" IOL for a particular individual often depends on the particularities of that patient's ocular anatomy,...

No single person invented LASIK. Rather, it was the child of a marriage of two different, early myopia (nearsightedness) correcting procedures: 1) Keratomileusis and 2) PRK (PhotoRefractive Keratoplasty). Pioneered by Columbian ophthalmologist, José Barraquer, in Bogotà, Keratomilieusis reshaped the cornea mechanically. A micro-blade removed the front half of the cornea which was then...