Prevents Tear Evaporation and Restores All Three Layers of the Tear Film Damaged by Dry Eye. Enhanced with Flaxseed Oil. Preservative-Free. 0.01 fl oz (0.4 mL) Each Sterile. . Refresh. Make your dry eyes feel better with the drops doctors recommend. Refresh Optive Mega-3 is a flaxseed-enhanced, low-blur formula that is designed to help relive Dry Eye symptoms associated with Meibomian Gland Dysfunction, as well as soothe the everyday irritation, burning, or itching symptoms for Dry Eye. The natural oils work to nourish and repair the lipid later while bringing essential hydration to all three layers of the tear film and preventing tear evaporation. Safe to use as often as needed. No shaking required. Uses. For the temporary relief of burning and irritation due to dryness of the eye. For the temporary relief of discomfort due to minor irritations of the eye or exposure to wind or sun. For use as a protectant against further irritation or to relieve dryness of the eye. For use as a lubricant to prevent further irritation or to relieve dryness of the eye.