Evaluation of the Repeated Usage of Systane Ultra Eyedrop

Inclusion criteria

• Age 18 years or more.
• Non contact lens wearer.
• Symptomatology as defined below for the Ocular Surface Disease Index (OSDI) questionnaire:

• Score ≥13 for OSDI Questionnaire total score; AND
• Scores of at least 2 for 2 out of the 6 vision related questions of the OSDI questionnaire
• Best visual acuity of 6/9 or better in each eye.
• Willingness to adhere to the instructions set in the clinical protocol.
• Signature of the subject informed consent form.

Exclusion criteria

• Use of systemic medication which might produce dry eye side effects.
• Systemic disease which might produce dry eye side effects.
• Active ocular infection.
• Use of ocular medication.
• Significant ocular anomaly.
• Previous ocular surgery
• Previous use of Restasis
• Any medical condition that might be prejudicial to the study.
• The subject, based on their knowledge, must NOT be pregnant or lactating at the time of enrolment.
• The subject, based on his/her knowledge, must NOT have an infectious disease (e.g. hepatitis, tuberculosis) or an immunosuppressive disease (e.g. Human Immunodeficiency Virus).
• The subject, based on their knowledge, must NOT have diabetes.