Dry Eye Symptom Relief Assessment With Use of TrueTear in a Controlled Adverse Environment

Subjects will be instructed to use the TrueTear daily for approximately 45 days with assessments in the Controlled Adverse Environment taking place on Day 0 and Day 45. Upon entering the CAE, participants will complete dry eye symptom questionnaires every five minutes and will administer the device when a certain level of ocular discomfort has been reached.

Inclusion criteria

• Have used and/or desired to use an artificial tear substitute for dry eye symptoms within 6 months prior to the Screening Visit
• Normal lid/lash anatomy, blinking function and closure as determined by the Investigator
• Literate, able to speak English, and able to complete questionnaires independently

Exclusion criteria

• Chronic or recurrent epistaxis, coagulation disorders or other conditions that, in the opinion of the Investigator, may lead to risk of clinically significant increased bleeding
• Nasal or sinus surgery (including history of application of nasal cautery) or significant trauma to these areas
• Contact lens use within 7 days prior to the Screening Visit or anticipate the use of contact lenses at any time during the study
• Corneal transplant in either or both eyes
• Cardiac demand pacemaker, implanted defibrillator, or other active implanted metallic or active implanted electronic device in the head
• A woman who is pregnant, nursing an infant, or planning a pregnancy during the duration of the study
• Currently enrolled in an investigational drug or device study or have used an investigational drug or device within 30 days prior to the Screening Visit