Blink Tears Lubricating Eye Drops, Sterile Single-Use Vials, Preservative Relief with Every Blink - Blink& Tears unique formula is now available in preservative free, sterile, single-use vials. Do you suffer from occasional burning, stinging or scratchiness in the eye? Do you have a sensitivity to light, mild redness, and mucus discharge or allergy symptoms? Blink& Tears Preservative Free Lubricating Eye Drops can provide you with the relief you are looking for. Preservative Free Artificial Tear Immediate Comfort Relief of Mild - Moderate Dry Eye Customer Support #: