Soothing Relief for Serious Dry Eye. Preservative Free. Sterile. Bion Tears Lubricant Eye Drops is an advanced tear substitute especially formulated and packaged for persistent dry eye conditions requiring frequent therapy. Relieves dryness of the eye. Temporarily relieves the burning and irritation from dry eyes. Mimics the composition of human tears. Helps restore the eye to its natural environment, making it one of the most effective artificial tea Six pack