IOP Patterns in Ocular Hypertensive Patients Newly Converted to Glaucoma vs Stable Ocular Hypertensive Patients

Inclusion Criteria: * Diagnosis of OHT (IOP \>21 mmHg on 2 consecutive visits) in the study eye * No IOP-lowering drug treatment in the study eye; otherwise, a 4-week wash-out period prior to study day 0 (SD0) and throughout the study * Aged ≥ 18 years, of either sex * Not more than 6 diopters spherical equivalent in the study eye * Having given written informed consent, prior to any investigational procedures Exclusion Criteria: * Narrow iridocorneal angle or any other concomitant ocular conditions (except cataract) in the study eye * History of ocular surgery on the study eye (except cataract extraction) * History of laser treatment on the study eye * Corneal or conjunctival abnormality in the study eye, precluding contact lens adaptation * Severe dry eye syndrome * Subjects with irregular sleep schedules * Subjects who are current smokers * Subjects with allergy to corneal anesthetic * Subjects with contraindications for silicone contact lens wear * Subjects not able to understand the character and individual consequences of the investigation * Participation in other clinical research within the last 4 weeks * Any other contra-indication listed in the TF user manual