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8 or >2.8?mm?), (vi) poor reliability scores in the SAP, which was defined as a false-negative rate >30%, false-positive rate >30% or fixation loss >20%, (vii) surgical procedures within the last 12?months. The present study was conducted as a retrospective, comparative, case-matched investigation. Patients�� data were recruited from the glaucoma database of the Department of Ophthalmology at the University of Dresden between 2006 and 2010. The glaucoma database provides data for all glaucoma, ocular hypertensive patients and glaucoma subjects visiting the Department of Ophthalmology at the University of Dresden http://www.selleck.cn/products/wortmannin.html for a 24-hr IOP profile. IOP measurements are taken at 7.00 a.m, 12.00 p.m, 4.00 p.m, 7 00 p.m (in sitting position) with Goldmann applanation tonometry (GAT) and at 0.00 a.m (in supine position) with Perkins tonometry after 1?hr of rest. The database contains information about each patient��s history, medication, visual acuity, refraction and a complete eye examination including the evaluation of the optic disc. Additional diagnostic procedures includes pachymetry (IOPac; Heidelberg Engineering, Heidelberg, Germany), optic nerve head topography (HRT III; Heidelberg Engineering GmbH, Heidelberg, Germany), scanning laser polarimetry (GDx-VCC; Zeiss Meditec, Dublin, CA, USA) and a standard automated perimetry 30-2 full threshold http://www.selleckchem.com/products/LY294002.html program (Humphrey perimetry; Carl Zeiss Meditec, Inc.,). For the present study, a retrospective analysis of patients with NTG and HTG was performed. One eye of each patient was randomly assigned for further analysis. To provide a reliable case-by-case match of HTG and NTG eyes, an equal optic disc size as measured by HRT III and an equal estimated excavation of the optic disc were chosen. Both parameters were derived from the glaucoma database. In case http://www.selleckchem.com/products/CHIR-99021.html of multiple data records, a further subanalysis using an equal age distribution in both groups was conducted. As HRT (except from optic disc size), GDx and visual field parameters were not part of the database, these data were collected manually from each patients�� file after the above-mentioned subgroup analyses had been obtained (F.S.). Overall, 126 eyes of 126 patients were matched on a case-by-case basis to 126 eyes HTG eyes according to the same morphological parameters, namely same optic disc size and same optic disc excavation. The visual field (VF) of the subjects was analysed with Humphrey Perimeter program 30-2 (Carl Zeiss Meditec, Inc.,). Only reliable results obtained from the visual field examination were used, as determined by the reliability parameters described above. The mean deviation (MD), pattern standard deviation (PSD) and the probability symbols of the PSD (VF PS
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