To evaluate the efficacy of Systane Ultra in post menopausal women with dry eye.

Inclusion Criteria:

1. Post-menopausal (menses ceased more than 12 months prior to the start of the study).
2. Diagnosed for dry eye

Exclusion Criteria:

1. History of Sjögren's Syndrome or evidence of chronic dry eye syndrome. Confirmed autoimmune connective tissue diseases such as rheumatoid arthritis, fibromyalgia or scleroderma.
2. Active and severe blepharitis, rosacea and associated ocular sequelae.
3. Has any significant eyelid abnormality affecting lid function.