Pharma OTC Division Artificial Tears can be used by applying 1 or 2 drops in each eye, as needed. It is recommended to blink several times to ensure even distribution of the product in the eye. Do not touch the tip of the container with your fingers or any other surface to avoid contamination. If contact lenses are worn, they should be removed prior to application and may be replaced after 15 minutes. If symptoms persist or worsen, a doctor should be consulted.