Scientifically formulated to relieve dryness, discomfort, and eye strain due to dryness. Made with hydrating polymers that form a protective matrix over your eyes, moisturizing hyaluronic acid, and revitalizing trehalose our drops give you the relief you need from dry eye symptoms. iVIZIA is preservative free and can be used pre or post-surgery. These eye drops can be also used for contacts or as contact lens lubricant.