Dust, ozone, UV light rays, wind, dry heat (e.g air conditioning), drafts, cosmetics, smoky atmospheres, TV or computer work can lead to dry-feeling eyes. Systane Lubricating Eye Drops can help to keep eyes looking and feeling great, providing immediate comfort and lasting relief. 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 you’re on the move. Vials should be disposed of after use.