Symptomatic treatment of dry eye syndrome: blurred vision, burning sensation, itching, redness, sensation of sand or abrasion, foreign body or dirt in the eye, sensitivity to light, tearing and visual fatigue. This marine plasma is extracted between 20 and 30 m deep in the Bay of Biscay in a very specific area (vortex) of the ocean and then prepared according to the instructions of the physiologist and biologist René Quinton.