Study of SkQ1 as Treatment for Dry-eye Syndrome

Inclusion Criteria:

• Be at least 18 years of age;
• Provide written informed consent;
• Have a subject reported history of dry eye;
• Have a history of use of eye drops for dry eye symptoms ;
• Ocular Discomfort;
• Schirmer's Test score;
• Have corneal fluorescein staining ;
• Have lissamine green conjunctival Staining ;
• Have a conjunctival redness;

Exclusion Criteria:

• Have participated in the previous SkQ1 ophthalmic solution Phase 2 treatment study;
• Have any clinically significant slit lamp findings at Visit 1;
• Be diagnosed with an ongoing ocular infection or active ocular inflammation at Visit 1;
• Have had any ocular and/or lid surgeries within 6 months of Visit 1 or any plannedover the study period;
• Have an uncontrolled systemic disease;
• Be a woman who is pregnant, nursing or planning a pregnancy;
• Be a woman of childbearing potential who is not using an acceptable means of birthcontrol;
• Have a known allergy and/or sensitivity to the study drug or its components ;
• Have a condition or be in a situation which the investigator feels may put the subjectat significant risk, may confound the study results, or may interfere significantlywith the subject's participation in the study;
• Be currently enrolled in an investigational drug or device study or have used aninvestigational drug or device within 30 days of Visit 1;