TEARS NATURALE® II Alcon Dextran 70--Hydroxypropyl Methylcellulose Artificial Tears   Availability And Storage: Each mL of sterile, isotonic solution contains: Duasorb (0.1% dextran 70 and hydroxypropyl methylcellulose 0.3%) with Polyquad 0.001% as a preservative. Nonmedicinal ingredients: hydrochloric acid, potassium chloride, purified water, sodium borate, sodium chloride and sodium hydroxide. Drop-Tainer dispensers of 15 and 30 mL.