Validation of TearLab Osmometer - Human Factor Usability Report

Inclusion Criteria

• •Healthy volunteers representing the general population (a minimum of 120 subjects representing 50% of the total study population,
• •Otherwise healthy volunteers previously-diagnosed with moderate or severe chronic dry eye and/or Sjogrens syndrome and/or designated as dry eye disease subjects by the OSDI questionnaire (a minimum of 40 subjects representing 50% of the total study population),
• •Men or women,
• •Adult 18 years or older,
• •Contact lens wearers may participate,
• •Patients having undergone refractive surgery may participate,
• •Patients having undergone cataract surgery may participate