Survey: Evaluation of Ocular Surface Disease Symptoms and Patient Satisfaction With Thealoz® Duo After 84 Days of Daily Treatment

Inclusion Criteria: * All dry eye patients who require artificial tears or need to change their current artificial tears for any reason (i.e. due to dissatisfaction or low efficacy, etc…) * Outpatients of either sex, aged at least 18 years * Patients informed of the objectives of the survey and agreeing to participate. Exclusion Criteria: * Use of cyclosporine, lifitegrast, tacrolimus, sirolimus within last 3 months and during the survey * Use of topical ophthalmological treatments (glaucoma, etc…) * Use of lacrimal plugs * Ocular surgery in the last 12 months * Concomitant use of corticosteroids * Concomitant use of autologous serum or any blood derivatives * Severe blepharitis * Severe dry eye associated to * Eyelid malposition * Corneal dystrophy * Ocular neoplasia * Sjogren syndrome * Any systemic pathologies * Pregnancy/lactation