The HumanOptics Torica-s is available from 2 to 12-D in 1-D increments. †As of December 2010. IOL: Intraocular lens. Residual postoperative corneal astigmatism is an important cause of poor ...
Using measurements obtained by corneal topography, patients with symmetric bow tie corneal astigmatism can be placed into one of four categories for planning purposes. These categories are shown ...