Sleep disorders other than OSAS

Use of sleep medication

Patients with history of intraocular surgery (including laser therapy) within the last 3 months

Corneal or conjunctival abnormality hindering contact lens adaptation

Severe dry eye syndrome

Patients with allergy to corneal anesthetic

Patients with contraindications for silicone contact lens wear

Patients not able to understand the character and individual consequences of the investigation

Participation in other clinical research within the last 30 days

IOP Fluctuations in Patients With Sleep Apnea With or Without Primary Open Angle Glaucoma Using Positive Airway Pressure