1 drop in each eye during the day as often as necessary. In contact lens-wearers: a drop on each lens when putting on and removing them, and also as often as necessary during the day.Some precautions are essential to ensure effective use of the product:- Wash hands thoroughly before applying.- Avoid contact between the tip of the bottle and the eye or eyelids. Instill one drop of HYABAK in the conjunctival sac, while gently lightly pulling the lower lid down and looking up. The time to release of a drop is longer than with a traditional bottle. Close the bottle after every use. When putting on contact lenses: instill a drop of HYABAK in the lens concavity.

Do not keep an open bottle for more than 3 months.