Blake Matherne, MD, a comprehensive ophthalmologist at the Center for Eyecare in Ocean Springs, MS, will present the Department of Ophthalmology Grand Rounds, "The Cutting Edge of Vision Care: Lens Based Refractive Surgery," at 5 p.m., Thursday, April 17, at UMMC Lakeland Medical (764 Lakeland Dr), room LP104, and online via Webex.