24-hour IOP Fluctuation Profile Recorded With SENSIMED Triggerfish in Primary Open-angle Glaucoma (POAG) Patients After Cataract Surgery

Inclusion Criteria: * Subject is able to comply with the study procedures * 18-80 years old * Subjects diagnosed with glaucoma, based on presence of repeatable visual field loss and/or glaucomatous optic neuropathy based on masked review of optic disc stereophotographs and under ocular hypotensive treatment, or diagnosed with ocular hypertension, with an IOP of \> 22 mmHg at the screening visit and under ocular hypotensive treatment. * Subject has consented to be in the trial * Visual acuity of 20/200 or better * Presence of cataract requiring phacoemulsification with lens exchange * Ability to understand the character and individual consequences of the study * For women of childbearing potential, adequate contraception Exclusion Criteria: * Subjects presenting with any of the following criteria will not be included in the trial: * Subjects with contraindications for wearing contact lenses * Severe dry eye syndrome * Keratoconus or other corneal abnormality * Conjunctival or intraocular inflammation * Eye surgery prior to and throughout the study. * Full frame metal glasses during SENSIMED Triggerfish® monitoring * Known hypersensitivity to silicone, plaster or ocular anesthesia (proparacaine) * Pregnancy and lactation * Simultaneous participation in other clinical studies