Safety and Efficacy of Punctal Plug Insertion in Patients With Dry Eye

This study will access changes in tear protein levels and symptoms of dry eye following insertion of a punctal plug.

Inclusion Criteria:

• Patients with moderate to severe dry eye

Exclusion Criteria:

• Previous punctal plug insertion in the last 3 months or presence of plugs at the time of study
• Contact lens wear in the 7 days prior to study start or during the study
• LASIK procedure in the last year
• Cataract or other eye surgery in the last 3 months
• Corneal grafts