Evaluation of the LipiFlow System With a New Activator

Inclusion Criteria: To be able to participate in this study, subjects must: * Be at least 22 years old. * Has been diagnosed as bilateral MGD prior to the study visit, or has evidence of MGD in both eyes. NOTE: MGD diagnosis can be based on prior medical records, investigator opinion or based on assessment of meibomian glands of the lower eyelid. * Availability, willingness, ability and sufficient cognitive awareness to comply with study protocol, examination procedures and visit. * Be willing to provide informed consent and authorization to disclose protected health information or equivalent documentation necessary to comply with applicable privacy laws pertaining to medical procedures. * Ability to understand and respond in English. Exclusion Criteria: Subject will not be able to be in the study, if the subject: * Has a history of certain medical conditions that have been identified as contraindications and precautions of the LipiFlow System * Has a history of prior eye surgery or trauma, active eye disease, or other eye abnormality in the study eye(s), which in the opinion of the investigator would confound the study results. * Is pregnant, or is breast feeding. * Concurrent participation or expected participation in an interventional (i.e., surgical or pharmaceutical interventional) clinical trial within 14 days prior to study screening.