Evaluation of Screening Methods for Treatment of Meibomian Gland Dysfunction

Inclusion Criteria: * Meibomian gland dysfunction * Dry Eye symptoms Exclusion Criteria: * Ocular surgery, ocular injury or ocular Herpes infection within past 3 months * Active ocular infection * Active ocular inflammation or recurrent inflammation within past 3 months * Moderate to severe allergic conjunctivitis * Severe eyelid inflammation * Eyelid abnormalities that affect lid function * Ocular surface abnormalities that may compromise corneal integrity * Systemic disease conditions or medications that cause dry eye * Use of other treatments for meibomian gland dysfunction or dry eye * Pregnant or nursing women * Participation in another ophthalmic clinical trial within past 30 days