Refresh Celluvisc Lubricant Eye Drops promote complete relief for symptoms of moderate to severe dry eye symptoms. Creates a soothing shield with a long lasting layer of moisture for sustained relief of persistent dry eye symptoms. Refresh Celluvisc may be used as a protectant against further irritation. This product is safe to use as often as necessary & provides 24-hour comfort for dry, irritated eyes. Each bottle contains 30 sterile single-use containers 0.4 m L each.