REFRESH CELLUVISC Lubricant Eye Gel Single-Use Containers 30 ea (Pack of 2) - For the temporary relief of burning, irritation, and discomfort due to dryness of the eye or exposure to wind or sun. May be used as a protectant against further irritation. Provides extra strength moisturizing relief. Our thickest gel formula for sensitive eyes. These drops come in preservative-free single-use vials and are safe to use as often as needed, so your eyes can feel good - anytime, anywhere. Sterile. Stop Use Indications: Stop use and ask a doctor if you experience eye pain, changes in vision, continued redness or irritation of the eye, or if the condition worsens or persists for more than 72 hours.