A Clinical Study to Assess the Safety and Efficacy of an Ophthalmic Solution (SkQ1) in the Treatment of Dry Eye Syndrome (DES)

Inclusion Criteria: * Be male or female of any race, at least 18 years of age * Have provided written informed consent * Have a reported history of dry eye syndrome * Have a history of use or desire to use eye drops for dry eye Exclusion Criteria: * Have any clinically significant eye findings that require therapeutic treatment or may interfere with study parameters * Have previously had LASIK surgery within the last 12 months * Have used Restasis® within 30 days of Visit 1 * Be a woman who is pregnant, nursing or planning a pregnancy * Be unwilling to submit a urine pregnancy test if of childbearing potential * Have a known allergy and/or sensitivity to the test article or its components, including the preservative benzalkonium chloride * Be currently enrolled in an investigational drug or device study or have used an investigational drug or device within 30 days of Visit 1 * Have a condition or be in a situation which the investigator feels may put the subject at significant risk, may confound the study results, or may interfere significantly with the subject's participation in the study