tear circulation device for oxygen permeability hard contact lens

摘要: PURPOSE: A tears circulation device of an oxygen permeable hard lens is provided, which smooths a and also prevents the generation dry eye phenomenon or stain reaction cornea. CONSTITUTION: According to constituting dented part(2) on its center collect push contact wearer, sloped part(3) formed outer part lens(1) having center, are circulated exhausted smoothly by connecting with hole(4) plane(5).