Systane Nighttime Lubricant Eye Ointment is designed to help you find relief from dry eye symptoms overnight. This long-lasting ointment keeps eyes lubricated and protected while you sleep comfortably through the night. The lubricating ointment forms a smooth, protective barrier to lock in moisture and relieve uncomfortable dry eye symptoms overnight. Get a peaceful night's sleep without waking up from burning, irritated or dry eyes. Features a safe, preservative-free formula. Systane Nighttime Lubricant Eye Ointment comes in a 3.5 g tube for easy application. The Systane Family of Products is the #1 Doctor Recommended brand of artificial tears for dry eye symptom relief. Don't let dry eyes ruin your night, Systane provides temporary relief from your symptoms.