scholarly journals Visual Subfield Progression in Glaucoma Subtypes

2018 ◽  
Vol 2018 ◽  
pp. 1-6 ◽  
Author(s):  
Wei-Wen Su ◽  
Shian-Sen Hsieh ◽  
Shih-Tsung Cheng ◽  
Cheng-Wen Su ◽  
Wei-Chi Wu ◽  
...  
Keyword(s):  
Visual Field ◽  
Open Angle Glaucoma ◽  
Demographic Data ◽  
Normal Tension Glaucoma ◽  
Rate Of Change ◽  
Threshold Sensitivity ◽  
Angle Closure ◽  
Visual Field Progression

Purpose. To investigate visual field progression pattern and factors associated with progression in patients with primary open-angle glaucoma (POAG), normal-tension glaucoma (NTG), and chronic angle-closure glaucoma (CACG). Methods. The raw data of the 30-2 Humphrey Field Analyzer from glaucoma patients with definite visual field progression were processed with pointwise linear regression (PLR) analysis. The rate of change of retinal threshold sensitivity in the ten glaucoma hemifield test (GHT) zones, the upper and the lower hemifields, and the whole field was evaluated and was correlated with patients’ basic demographic data. Results. An average follow-up of 6.94 ± 2.69 years that showed the rate of change of visual field threshold sensitivity was correlated with the peak posttreatment intraocular pressure (IOP) and the long-term IOP fluctuations in all GHT zones except in the inferior arcuate area. The baseline IOP, the trough posttreatment IOP, the refractive status, and the CCT were not correlated with VF progression. Conclusion. The rate of visual field progression was correlated with the peak posttreatment IOP and the long-term IOP fluctuation but with subfield differences.

Long-term follow-up of visual field progression after trabeculectomy in progressive normal-tension glaucoma

Ophthalmology ◽  
2002 ◽  
Vol 109 (4) ◽  
pp. 766-770 ◽  
Author(s):  
Takashi Shigeeda ◽  
Atsuo Tomidokoro ◽  
Makoto Araie ◽  
Nobuyuki Koseki ◽  
Seiichiro Yamamoto
Keyword(s):  
Visual Field ◽  
Normal Tension Glaucoma ◽  
Visual Field Progression ◽  
Long Term Follow Up

scholarly journals Retrobulbar Hemodynamics and Visual Field Progression in Normal Tension Glaucoma: A Long-Term Follow-Up Study

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
D. Kuerten ◽  
M. Fuest ◽  
E. C. Koch ◽  
A. Koutsonas ◽  
N. Plange
Keyword(s):  
Visual Field ◽  
Normal Tension Glaucoma ◽  
Doppler Imaging ◽  
Progression Rate ◽  
Visual Field Progression ◽  
Follow Up Study ◽  
Long Term Follow Up ◽  
Retrobulbar Hemodynamics

Purpose. Vascular risk factors are important factors in the pathogenesis of glaucoma. The purpose of this research was to investigate retrobulbar hemodynamics and visual field progression in patients with normal tension glaucoma (NTG).Patients and Methods. 31 eyes of 16 patients with NTG were included in a retrospective long-term follow-up study. Colour Doppler imaging was performed at baseline to determine various CDI parameters in the different retrobulbar vessels. The rate of visual field progression was determined using the Visual Field Index (VFI) progression rate per year (in %). To be included in the analysis, patients had at least 4 visual field examinations with a follow-up of at least 2 years.Results. Mean follow-up was 7.6 ± 4.1 years with an average of 10 ± 5 visual field tests. The mean MD (mean defect) at baseline was −7.61 ± 7.49 dB. The overall VFI progression was −1.14 ± 1.40% per year. A statistical significant correlation between VFI progression and the RI of the NPCA and PSV of the CRA was found.Conclusion. Long-term visual field progression may be linked to impaired retrobulbar hemodynamics in patients with NTG only to a limited degree. Interpretation of the data for an individual patient seems to be limited due to the variability of parameters.

scholarly journals Long Term Results of Visual Field Progression Analysis in Open Angle Glaucoma Patients Under Treatment

2015 ◽  
Vol 9 (1) ◽  
pp. 116-120 ◽  
Author(s):  
Tolga Kocatürk ◽  
Sinan Bekmez ◽  
Merve Katrancı ◽  
Harun Çakmak ◽  
Volkan Dayanır
Keyword(s):  
Visual Field ◽  
Open Angle Glaucoma ◽  
Long Term Results ◽  
Mean Deviation ◽  
Event Analysis ◽  
Open Angle ◽  
Visual Field Progression ◽  
Department Of Ophthalmology

Purpose : To evaluate visual field progression with trend and event analysis in open angle glaucoma patients under treatment. Materials and Methods : Fifteen year follow-up results of 408 eyes of 217 glaucoma patients who were followed at Adnan Menderes University, Department of Ophthalmology between 1998 and 2013 were analyzed retrospectively. Visual field data were collected for Mean Deviation (MD), Visual Field Index (VFI), and event occurrence. Results : There were 146 primary open-angle glaucoma (POAG), 123 pseudoexfoliative glaucoma (XFG) and 139 normal tension glaucoma (NTG) eyes. MD showed significant change in all diagnostic groups (p<0.001). The difference of VFI between first and last examinations were significantly different in POAG (p<0.001), and XFG (p<0.003) but not in NTG. VFI progression rates were -0.3, -0.43, and -0.2 % loss/year in treated POAG, XFG, and NTG, respectively. The number of empty triangles were statistically different between POAG-NTG (p=0.001), and XFG-NTG (p=0.002) groups. The number of half-filled (p=0.002), and full-filled (p=0.010) triangles were significantly different between XFG-NTG groups. Conclusion : Functional long-term follow-up of glaucoma patients can be monitored with visual field indices. We herein report our fifteen year follow-up results in open angle glaucoma.

scholarly journals Arteriovenous Passage Times and Visual Field Progression in Normal Tension Glaucoma

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Eva Charlotte Koch ◽  
Kay Oliver Arend ◽  
Marion Bienert ◽  
Andreas Remky ◽  
Niklas Plange
Keyword(s):  
Visual Field ◽  
Field Tests ◽  
Normal Tension Glaucoma ◽  
Retinal Blood Flow ◽  
Visual Field Progression ◽  
Confocal Scanning Laser Ophthalmoscope ◽  
Confocal Scanning ◽  
Confocal Scanning Laser ◽  
Passage Times

Purpose. Fluorescein angiographic studies revealed prolonged arteriovenous passage (AVP) times and increased fluorescein filling defects in normal tension glaucoma (NTG) compared to healthy controls. The purpose of this study was to correlate baseline AVP and fluorescein filling defects with visual field progression in patients with NTG.Patients and Methods. Patients with a follow-up period of at least 3 years and at least 4 visual field examinations were included in this retrospective study. Fluorescein angiography was performed at baseline using a confocal scanning laser ophthalmoscope (SLO, Rodenstock Instr.); fluorescein filling defects and AVP were measured by digital image analysis and dye dilution curves (25 Hz). Visual field progression was evaluated using regression analysis of the MD (Humphrey-Zeiss, SITA-24-2, MD progression per year (dB/year)). 72 patients with NTG were included, 44 patients in study 1 (fluorescein filling defects) and 28 patients in study 2 (AVP).Results. In study 1 (mean follow-up years, visual field tests), MD progression per year ( dB/year) was significantly correlated to the age (, ) but not to fluorescein filling defects, IOP, or MD at baseline. In study 2 (mean follow-up years, visual field tests), MD progression per year ( dB/year) was significantly correlated to AVP (, ) but not to age, IOP, or MD at baseline.Conclusion. Longer AVP times at baseline are correlated to visual field progression in NTG. Impaired retinal blood flow seems to be an important factor for glaucoma progression.

scholarly journals Classification and Statistical Trend Analysis in Detecting Glaucomatous Visual Field Progression

2019 ◽  
Vol 2019 ◽  
pp. 1-5
Author(s):  
Cristiana Valente ◽  
Elisa D’Alessandro ◽  
Michele Iester
Keyword(s):  
Statistical Analysis ◽  
Standard Deviation ◽  
Visual Field ◽  
Trend Analysis ◽  
Open Angle Glaucoma ◽  
Mean Deviation ◽  
Threshold Strategy ◽  
Visual Field Progression ◽  
The Mean

Aim. To evaluate the agreement between different methods in detection of glaucomatous visual field progression using two classification-based methods and four statistical approaches based on trend analysis. Methods. This is a retrospective and longitudinal study. Twenty Caucasian patients (mean age 73.8 ± 13.43 years) with open-angle glaucoma were recruited in the study. Each visual field was assessed by Humphrey Field Analyzer, program SITA standard 30-2 or 24-2 (Carl Zeiss Meditec, Inc., Dublin, CA). Full threshold strategy was also accepted for baseline tests. Progression was analyzed by using Hodapp–Parrish–Anderson classification and the Advanced Glaucoma Intervention Study visual field defect score. For the statistical analysis, linear regression (r2) was calculated for mean deviation (MD), pattern standard deviation (PSD), and visual field index (VFI), and when it was significant, each series of visual field was considered progressive. We also used Progressor to look for a significant progression of each visual field series. The agreement between methods, based on statistical analysis and classification, was evaluated using a weighted kappa statistic. Results. Thirty-eight visual field series were analyzed. The mean follow-up time was 6.2 ± 1.53 years (mean ± standard deviation). At baseline, the mean MD was −7.34 ± 7.18 dB; at the end of the follow-up, the mean MD was −9.25 ± 8.65 dB; this difference was statistically significant (p<0.001). The agreement to detect progression was fair between all methods based on statistical analysis and classification except for PSD r2. A substantial agreement (κ = 0.698 ± 0.126) was found between MD r2 and VFI r2. With the use of all the statistical analysis, there was a better time-saving. Conclusions. The best agreement to detect progression was found between MD r2 and VFI r2. VFI r2 showed the best agreement with all the other methods. GPA2 can help ophthalmologists to detect glaucoma progression and to help in treatment decisions. PSD r2 was the worse method to detect progression.

scholarly journals Long‐term effects of trabeculectomy on visual field progression across two centres in the United Kingdom: A 10 year follow‐up

2022 ◽  
Vol 100 (S267) ◽  
Author(s):  
Yingjia Yang ◽  
Matthew Shah ◽  
Hannaa Bobat ◽  
Anastasios Sepetis ◽  
Peter Shah ◽  
...  
Keyword(s):  
United Kingdom ◽  
Visual Field ◽  
Long Term Effects ◽  
Visual Field Progression ◽  
The United Kingdom

scholarly journals Comparison of visual field progression in new-diagnosed primary open-angle and exfoliation glaucoma patients in Sweden.

2020 ◽  
Author(s):  
Marcelo Ayala
Keyword(s):  
Visual Field ◽  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
T Test ◽  
Open Angle ◽  
Visual Field Progression ◽  
Exfoliation Glaucoma ◽  
The Difference ◽  
Glaucoma Group

Abstract Background: The present study aimed to compare visual field progression in new-diagnosed exfoliation versus open-angle glaucoma patients. Methods: Retrospective study. The study included patients with new-diagnosed primary open-angle and exfoliation glaucoma. All patients were followed for three years with reliable visual fields. At least five reliable fields were needed for inclusion. Exfoliation and open-angle glaucoma were defined based on the European Glaucoma Society guidelines. Visual field evaluation was performed using the software threshold 24-2 of the Humphrey Field Analysis. Outcomes: Visual field progression. For visual field progression, three different strategies were used: mean deviation (MD), visual field index (VFI), and the guided progression analysis (GPA). Results: The study included 128 subjects, of the 54 in the open-angle and 74 in the exfoliation glaucoma group. The MD difference values were higher in the exfoliation (-3.17 dB) than in the primary open-angle (-1.25 dB) glaucoma group in the three-year follow-up period. The difference between groups was significant (t-test, p=<0.001). The difference in VFI was calculated for the three years follow-up period. The difference was higher in the exfoliation (-7.65%) than in the primary open (-1.90%) glaucoma group (t-test, p=<0.001). The GPA showed progression in 58% of cases in exfoliation, and 13% in primary open glaucoma group (Chi-square, p=<0.001). Conclusion: The present study found a more frequent and faster visual field progression in exfoliation than in primary open-angle glaucoma patients. New-diagnosed exfoliation glaucoma patients must be controlled and treated more strictly than primary open-angle glaucoma patients to avoid visual field deterioration.

Intraocular Pressure Control and Long-Term Visual Field Loss in Open-Angle Glaucoma

2020 ◽  
pp. 91-96
Author(s):  
Alan D. Penman ◽  
Kimberly W. Crowder ◽  
William M. Watkins
Keyword(s):  
Intraocular Pressure ◽  
Visual Field ◽  
Open Angle Glaucoma ◽  
Visual Field Loss ◽  
Pressure Control ◽  
Open Angle ◽  
Aggressive Treatment ◽  
Visual Field Progression ◽  
Glaucoma Treatment

The Collaborative Initial Glaucoma Treatment Study (CIGTS) was a randomized clinical trial to determine whether patients with newly diagnosed open-angle glaucoma (OAG) were managed better by initial treatment with medications (using a stepped regimen of medications starting initially with a topical beta-blocker) or by immediate filtration surgery (trabeculectomy with or without 5-fluorouracil). Although the surgery group achieved a lower mean intraocular pressure (IOP) than the medication group, both groups had similarly low rates of visual field progression. Three measures of IOP fluctuation over extended time, the range of IOP, the standard deviation of IOP, and the maximum IOP, seem to play an important role in visual field progression The results showed that more aggressive treatment was warranted when undue elevation or variation in IOP measures is observed.

scholarly journals Impact of intraocular pressure fluctuations on progression of normal tension glaucoma

2021 ◽  
Vol 14 (10) ◽  
pp. 1553-1559
Author(s):  
Susanne Hopf ◽  
◽  
Irene Schmidtmann ◽  
Norbert Pfeiffer ◽  
Esther Maria Hoffmann ◽  
...  
Keyword(s):  
Intraocular Pressure ◽  
Visual Field ◽  
Optic Disc ◽  
Cox Regression ◽  
Group Analysis ◽  
Normal Tension Glaucoma ◽  
Short And Long Term ◽  
The Impact

AIM: To investigate short- and long-term intraocular pressure (IOP) fluctuations and further ocular and demographic parameters as predictors for normal tension glaucoma (NTG) progression. METHODS: This retrospective, longitudinal cohort study included 137 eyes of 75 patients with NTG, defined by glaucomatous optic disc or visual field defect with normal IOP (<21 mm Hg), independently from therapy regimen. IOP fluctuation, mean, and maximum were inspected with a mean follow-up of 38mo [standard deviation (SD) 18mo]. Inclusion criteria were the performance of minimum two 48-hour profiles including perimetry, Heidelberg retina tomograph (HRT) imaging, and optic disc photographs. The impact of IOP parameters, myopia, sex, cup-to-disc-ratio, and visual field results on progression of NTG were analyzed using Cox regression models. A sub-group analysis with results from optical coherence tomography (OCT) was performed. RESULTS: IOP fluctuations, average, and maximum were not risk factors for progression in NTG patients, although maximum IOP at the initial IOP profile was higher in eyes with progression than in eyes without progression (P=0.054). The 46/137 (33.5%) eyes progressed over the follow-up period. Overall progression (at least three progression confirmations) occurred in 28/137 eyes (20.4%). Most progressions were detected by perimetry (36/46). Long-term IOP mean over all pressure profiles was 12.8 mm Hg (SD 1.3 mm Hg); IOP fluctuation was 1.4 mm Hg (SD 0.8 mm Hg). The progression-free five-year rate was 58.2% (SD 6.5%). CONCLUSION: Short- and long-term IOP fluctuations do not result in progression of NTG. As functional changes are most likely to happen, NTG should be monitored with visual field testing more often than with other devices.

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