title: Double cannula for removal of viscoelastic material at surgery.
mesh_terms: D002387:Cataract Extraction / Q000009:adverse effects / Q000379:methods*; D002404:Catheterization / Q000295:instrumentation*; D006801:Humans; D006820:Hyaluronic Acid / Q000302:isolation & purification; D001239:Inhalation; D007910:Lenses, Intraocular / Q000009:adverse effects; D009798:Ocular Hypertension / Q000517:prevention & control; D007507:Therapeutic Irrigation
chemical_list: D006820:Hyaluronic Acid