Effects of Travatan Z and Xalatan on Ocular Surface Health

Exclusion Criteria

• •Current use or use within the last 3 months of cyclosporine ophthalmic emulsion 0.05% (Restasis®), topical ocular steroids, or topical ocular non-steroidal anti-inflammatory drugs.
• •Current use of punctual plugs.
• •Women of childbearing potential not using reliable means of birth control.
• •Women who are pregnant or lactating.
• •Suspected or diagnosed with Sjogrens's syndrome.
• •Current use of any brand of artificial tears containing BAK.
• •Use of any systemic medications on a chronic basis not on a stable dosing regimen for at least 30 days prior to Visit 1, or an anticipated change in dosing regimen of medications during the course of the study.
• •Intraocular conventional surgery or laser surgery in study eyes less than six months prior to Visit 1.
• •Current use of contact lenses within 30 days of Visit 1.
• •Participation in any other investigational study within 30 days prior to Visit 1.