Efficacy of T1675 Versus Placebo in Patients With Bilateral Treated Moderate Dry Eye Syndrome

Inclusion Criteria: * Signed and dated informed consent. * Male or female aged from 18 to 90 years old. * Known treated bilateral dry eye. * Dry eye syndrome confirmed by ocular examination with a fluorescein and/or lissamine green staining, BUT and Schirmer, performed within the last 12 months before Inclusion Visit, for both eyes. * Bilateral symptomatology suggestive of dry eye defined by: at least one of the following ocular symptoms suggestive of dry eye (burning, stinging, dryness feeling, sandy and/or gritty sensation, light sensitivity, reflex tearing, ocular fatigue) and Questioning on patient's feeling (score \>=3). * Fulfilling the following criteria of dry eye syndrome in both eyes defined by: Keratoconjunctivitis defined by a lissamine green score ≥ 4 (Van Bijsterveld score) and Schirmer test \<= 10 mm in 5 min or BUT \< 10 s Exclusion Criteria: * severe dry eye symptom * eyelid dysfunction * severe progressive rosacea * any relevant ocular anomaly interfering with ocular surface * best corrected far visual acuity \<= 1/10 * history of ocular allergy * traumatism, infection, inflammation within last 3 months * ocular surgery and laser within the last 3 months * lasik, laser, PKR within the last 12 months * contact lenses * any concomitant nutritive supplementation, vitamins * any topical concomitant treatment