Case Studies Silicone Hydrogel Keratoconus (Definitive) - VS Male 16 880KB PDF Gas Permeable Emerging Keratoconus (Optimum) - MS Female 24 573KB PDF Post Penetrating Keratoplasty (Optimum) - CJ Female 52 284KB PDF Post-Refractive Surgery/Presbyopia (Optimum) - JG Female 48 226KB PDF Presbyopia (Optimum LD) - HO Male 52 237KB PDF