Systane lubricating eye drops 28 individual vials can be applied to rejuvenate eyes from over exposure to dust ozone dry heat wind uv light smoky atmospheres drafts or too much time in front of the tv or computer when applied to the eye the unique liquid formula transforms into gel forming a barrier and protection systane is the ideal solution to rejuvenate or offer fast relief to your eyes whilst youre on the move vials should be disposed of after use