Comparison of Sensimed Triggerfish (TF) 24 Hour Monitoring of the Eye in Glaucoma Patients Before and After Trabeculectomy

Inclusion Criteria

• •Patient must have the willingness and ability to provide signed informed consent
• •Patient is able to comply with the study procedure
• •Patient must be ≥ 18 years old
• •Diagnosis of primary open angle glaucoma (EGS criteria) including pseudoexfoliation glaucoma/ normal tension glaucoma/ pigmentary glaucoma in the study eye
• •planned trabeculectomy in the study eye
• •in preparation for trabeculectomy, all preoperative IOP lowering medication has been replaced by Dorzolamid 20 mg/ml + Timolol 5mg/ml preservative free eye drops in the study eye for at least 28 days before Triggerfish® profile
• •Patient has consented to be in the trial and signed informed consent is available before any study related procedures are carried out
• •Visual Acuity of 20/200 or better in both eyes
• •Ability of subject to understand the character and individual consequences of the study