Thomas Kohnen, MD

New IOL, automated delivery system expected to transform market
Sulcus refractive IOLs solid option for presbyopia, other refractive errorsImplantation of a sulcus-supported, pseudophakic supplementary intraocular lens (IOL) can be a safe and effective method for improving vision in eyes with residual refractive error after cataract extraction, refractive lens exchange, or keratoplasty, said Thomas Kohnen, MD, PhD. It also can be used to provide reversible presbyopia correction.
Complicated case underscores need for care, preparationA case of cataract surgery with planned presbyopia-correcting IOL implantation– complicated by posterior capsule rupture and a postoperative refractive surprise– reinforced important lessons and provided a new revelation to one experienced surgeon.
6 tactics to measure astigmatismRepeatability of corneal astigmatism measurement was compared using six different devices.