Polyvinylpyrrolidone (PVP) is an exclusive surface treatment applied to FCI lacrimal products to improve the hydrophilic properties of silicone. The benefit of such a treatment is to enhance the efficiency of tear drainage and to limit the accumulation of debris at the surface of our silicone intubations and perforated plugs. FCI PVP perforated plugs are used … Continue reading Punctal Stenosis