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https://www.readbyqxmd.com/read/28081184/intraocular-pressure-lowering-effect-of-latanoprost-is-hampered-by-defective-cervical-lymphatic-drainage
#1
Young Kook Kim, Kyeong Ik Na, Jin Wook Jeoung, Ki Ho Park
PURPOSE: To evaluate whether defects in cervical lymphatic drainage influence the intraocular pressure (IOP)-lowering effect of latanoprost in patients with primary open-angle glaucoma (POAG) who have undergone unilateral radical neck dissection (uRND). METHODS: We enrolled (1) bilateral POAG patients who had started (bilateral) latanoprost (0.005%) monotherapy prior to their uRND and (2) treatment-naïve, bilateral glaucoma suspects (GSs) who had undergone the same surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28028959/comparison-of-visual-field-measurement-with-heidelberg-edge-perimeter-and-humphrey-visual-field-analyzer-in-patients-with-ocular-hypertension
#2
Kamil Kaczorowski, Małgorzata Mulak, Dorota Szumny, Marta Baranowska, Joanna Jakubaszko-Jabłońska, Marta Misiuk-Hojło
BACKGROUND: Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss. The most important examination in glaucoma patients is visual field assessment. One of the newer perimeters is Heidelberg Edge Perimeter (HEP). OBJECTIVES: The aim of the study was to compare visual field measurements made with Humphrey II 740 Visual Field (Carl Zeiss Meditec) and Heidelberg Edge Perimeter (HEP) (Heidelberg Engineering). FDF stimulus (flicker defined form) in HEP stimulates magnocellular retinal cells, which are the first to be damaged in the early stage of glaucoma...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/27993484/myocilin-predictive-genetic-testing-for-primary-open-angle-glaucoma-leads-to-early-identification-of-at-risk-individuals
#3
Emmanuelle Souzeau, Kien Hou Tram, Martin Witney, Jonathan B Ruddle, Stuart L Graham, Paul R Healey, Ivan Goldberg, David A Mackey, Alex W Hewitt, Kathryn P Burdon, Jamie E Craig
PURPOSE: To assess the difference in severity of disease in primary open-angle glaucoma (POAG) patients with a Myocilin (MYOC) disease-causing variant who presented through normal clinical pathways (Clinical cases) versus those who were examined following genetic testing (Genetic cases). DESIGN: Retrospective clinical and molecular study. PARTICIPANTS: Seventy-three MYOC mutation carriers identified through the Australian and New Zealand Registry of Advanced Glaucoma...
December 16, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27977480/comparing-the-performance-of-compass-perimetry-with-humphrey-field-analyzer-in-eyes-with-glaucoma
#4
Harsha L Rao, Sharanya Raveendran, Varsha James, Srilakshmi Dasari, Meena Palakurthy, Hemanth B Reddy, Zia S Pradhan, Dhanaraj A S Rao, Narendra K Puttaiah, Sathi Devi
PURPOSE: To evaluate the reliability indices [fixation losses, false negative response rates (FN) and false positive response rates] and threshold sensitivities obtained from glaucoma patients with a Compass perimeter and to compare the same with the Humphrey field analyzer (HFA). METHODS: In a cross-sectional study, 97 eyes of 58 subjects (64 glaucoma and 33 glaucoma suspect eyes) underwent visual field examination with Compass and HFA. Any test with a fixation losses, FN or FP of >20% was considered unreliable...
December 13, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27977479/pilot-study-of-lamina-cribrosa-intensity-measurements-in-glaucoma-using-swept-source-optical-coherence-tomography
#5
Sowmya Srinivas, Anna Dastiridou, Mary K Durbin, Muneeswar G Nittala, Alex A Huang, James C H Tan, Brian A Francis, Srinivas R Sadda, Vikas Chopra
PURPOSE: To compare the lamina cribrosa (LC) intensity in glaucoma-suspect eyes and eyes with mild to moderate glaucoma using swept-source optical coherence tomography. METHODS: Optic disc volume scans were collected using swept-source optical coherence tomography in 19 clinically defined glaucoma-suspect eyes and 29 eyes with mild to moderate glaucoma. LC intensity was measured using Image J software, and the resultant values were normalized using the retinal pigment epithelium and vitreous signal...
December 13, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27938953/frequency-of-unplanned-interventions-in-patients-attending-for-a-presumed-routine-glaucoma-follow-up-appointment
#6
Jennifer Calafati, Zia S Pradhan, Catherine M Birt
OBJECTIVE: To determine the frequency of patient visits in which an unplanned treatment modification was required in chronic patients attending a glaucoma clinic for routine follow-up and to identify the treatment interventions most commonly employed. DESIGN: Prospective, cross-sectional study. PARTICIPANTS: A total of 630 previously stable patients attending a glaucoma clinic for routine follow-up. METHODS: This was a single-centre survey of all eligible patients returning to an academic glaucoma clinic...
December 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27898580/resident-compliance-with-the-american-academy-of-ophthalmology-preferred-practice-patterns-for-primary-open-angle-glaucoma-suspect
#7
Melanie Mihlstin, Mark S Juzych, Heidi T Kromrei, Frank S Hwang, Jia Yin
PURPOSE: To study resident compliance with the American Academy of Ophthalmology (AAO) Preferred Practice Patterns (PPPs) for primary open-angle glaucoma suspect (POAGS) in a resident ophthalmology clinic. PATIENTS AND METHODS: Two hundred charts were selected for analysis of adult patients with the International Classification of Diseases diagnosis code for POAGS during their initial visit between November 2, 2010 and May 6, 2014 at the Kresge Eye Institute resident clinic...
December 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27874246/predicting-the-intereye-asymmetry-in-functional-and-structural-damage-in-glaucoma-using-automated-pupillography
#8
Harsha L Rao, Sujatha V Kadambi, Srilakshmi Dasari, Hemanth B Reddy, Meena Palakurthy, Mohammed Riyazuddin, Narendra K Puttaiah, Zia S Pradhan, Dhanaraj A S Rao, Rohit Shetty
PURPOSE: To predict the intereye asymmetry in functional (mean deviation, MD on visual field, VF) and structural (retinal nerve fibre layer, RNFL and ganglion cell complex, GCC thickness on spectral domain optical coherence tomography, SDOCT) measurements in glaucoma using the automated pupillography parameters. METHODS: Fifty-nine subjects with a diagnosis of either glaucoma or glaucoma suspect underwent automated pupillography along with VF and SDOCT examinations...
November 22, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27860477/-ocular-surface-evaluation-in-patients-treated-with-prostaglandin-analogues-considering-preservative-agent
#9
E Mlčáková, P Mlčák, M Karhanová, K Langová, K Marešová
PURPOSE: The aim of this study was to evaluate the ocular surface in patients treated with prostaglandin analogues considering contained preservative agent. METHODS: 60 patients with glaucoma or ocular hypertension treated with prostaglandin analogue monotherapy were enrolled in this observational study. 20 patients with glaucoma suspect or ocular hypertension without local or systemic glaucoma medication formed the control group. Demographic data and medical history were recorded for each participant...
2016: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/27828721/change-in-central-corneal-thickness-after-the-discontinuation-of-latanoprost-in-normal-tension-glaucoma-change-in-central-corneal-thickness-after-stop-of-latanoprost
#10
Romi Yoo, Youn A Choi, Byung Joo Cho
PURPOSE: To assess the impact of latanoprost on central corneal thickness (CCT) after ceasing medication in patients with normal tension glaucoma (NTG). METHODS: A total of 46 eyes from 46 NTG patients, and 44 eyes from 44 individuals with glaucoma suspect (controls), were included in this retrospective study. Newly diagnosed early NTG patients (visual field mean deviation >-6.00) were administered latanoprost 0.005% monotherapy once a day. CCTs were measured by ultrasound pachymetry before treatment, for 5 years during treatment, and for 2 years after ceasing treatment...
January 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27818206/automated-segmentation-errors-when-using-optical-coherence-tomography-to-measure-retinal-nerve-fiber-layer-thickness-in-glaucoma
#11
Steven L Mansberger, Shivali Menda, Brad Fortune, Stuart K Gardiner, Shaban Demirel
PURPOSE: To characterize the error of optical coherence tomography (OCT) measurements of retinal nerve fiber layer (RNFL) thickness when using automated retinal layer segmentation algorithms without manual refinement. DESIGN: cross-sectional study METHODS: Setting: glaucoma clinical practice. STUDY POPULATION: 3490 scans from 412 eyes of 213 individuals with a diagnosis of glaucoma or glaucoma suspect. Observational Procedures: We used spectral domain OCT (Spectralis, Heidelberg Engineering, Heidelberg, Germany) to measure RNFL thickness in a 6-degree peripapillary circle, and exported the native 'automated segmentation only' results...
November 3, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27788183/angle-closure-scoring-system-acss-a-scoring-system-for-stratification-of-angle-closure-disease
#12
Aparna Rao, Debananda Padhy, Sarada Sarangi, Gopinath Das
PURPOSE: To evaluate the angle closure scoring system (ACSS) for stratifying primary angle course disease. METHODS: This observational cross sectional institutional study included patients with primary open angle glaucoma suspects (n = 21) and primary angle closure disease (primary angle closure, PAC, n = 63 and primary angle course glaucoma, PACG, n = 58 (defined by International society of Geographical and Epidemiological Ophthalmology, ISGEO). Two independent examiners blinded to clinical details, graded good quality pre-laser goniophotographs of the patients incorporating quadrants of peripheral anterior synechieae (PAS), non-visibility of posterior trabecular meshwork (PTM) and blotchy pigments (ranging from 1-4 quadrants), iris configuration, angle recess (sum of above depicting ACSSg) and lens thickness/axial length ratio (LT/AL), cup disc ratio and baseline intraocular pressure (IOP) to give total score (ACSSt)...
2016: PloS One
https://www.readbyqxmd.com/read/27782956/predictive-value-of-hrt-stereometric-parameters-and-blue-on-yellow-perimetry-global-indices-in-glaucoma-suspected-subjects
#13
Konstantinos Rallis, George D Kymionis, Ilias Georgalas, Marilita M Moschos, Chryssanthi Koutsandrea, Michael A Grentzelos, Dimitris Papaconstantinou
OBJECTIVE: To determine subtle changes of Heidelberg retina tomography (HRT) stereometric parameters and blue-on-yellow (B/Y) perimetry global indices for the early diagnosis of glaucoma in suspected subjects. PATIENTS AND METHODS: Cross-sectional data on 174 eyes of 87 subjects from a larger cohort, attending the Glaucoma Department of the "G. Gennimatas" General Hospital of Athens from January 2004 to February 2014, were used in the study. Subjects were assigned to 3 groups: (a) "normals" not requiring treatment throughout the study (group 1), (b) suspects who developed glaucoma and required treatment during the study (group 2), and (c) patients with incipient glaucoma (group 3)...
December 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27764022/central-corneal-thickness-in-glaucoma
#14
Chelvin C A Sng, Marcus Ang, Keith Barton
PURPOSE OF REVIEW: The purpose of this review is to summarize the role of central corneal thickness (CCT) in the clinical management of a glaucoma patient. RECENT FINDINGS: The prognostic value of CCT is well recognized in patients with ocular hypertension. However, its predictive value in other glaucoma suspects and patients with established glaucoma is less certain. Tonometry artefacts can result from variations in CCT. However, an adequately validated correction algorithm for Goldmann applanation tonometry measurements does not exist...
October 19, 2016: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/27726964/relationship-between-optical-coherence-tomography-angiography-vessel-density-and-severity-of-visual-field-loss-in-glaucoma
#15
Adeleh Yarmohammadi, Linda M Zangwill, Alberto Diniz-Filho, Min Hee Suh, Siamak Yousefi, Luke J Saunders, Akram Belghith, Patricia Isabel C Manalastas, Felipe A Medeiros, Robert N Weinreb
PURPOSE: To evaluate the association between vessel density measurements using optical coherence tomography angiography (OCT-A) and severity of visual field loss in primary open-angle glaucoma. DESIGN: Observational, cross-sectional study. PARTICIPANTS: A total of 153 eyes from 31 healthy participants, 48 glaucoma suspects, and 74 glaucoma patients enrolled in the Diagnostic Innovations in Glaucoma Study. METHODS: All eyes underwent imaging using OCT-A (Angiovue; Optovue, Fremont, CA), spectral-domain OCT (Avanti; Optovue), and standard automated perimetry (SAP)...
December 2016: Ophthalmology
https://www.readbyqxmd.com/read/27698551/short-wave-automated-perimetry-swap-versus-optical-coherence-tomography-in-early-detection-of-glaucoma
#16
Adel Galal Zaky, Ahmed Tarek Yassin, Saber Hamed El Sayid
OBJECTIVE: To assess the role and diagnostic effectiveness of optical coherence tomography (OCT) and short wave-automated perimetry (SWAP) to distinguish between normal, glaucoma suspects, and surely diagnosed glaucomatous eye. BACKGROUND: Changes in the optic disc and retinal nerve fiber layer (RNFL) often precede the appearance of visual field defect with standard automated perimetry. Unfortunately, RNFL defect can be difficult to identify during clinical examination...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27689896/atlas-based-shape-analysis-and-classification-of-retinal-optical-coherence-tomography-images-using-the-functional-shape-fshape-framework
#17
Sieun Lee, Nicolas Charon, Benjamin Charlier, Karteek Popuri, Evgeniy Lebed, Marinko V Sarunic, Alain Trouvé, Mirza Faisal Beg
We propose a novel approach for quantitative shape variability analysis in retinal optical coherence tomography images using the functional shape (fshape) framework. The fshape framework uses surface geometry together with functional measures, such as retinal layer thickness defined on the layer surface, for registration across anatomical shapes. This is used to generate a population mean template of the geometry-function measures from each individual. Shape variability across multiple retinas can be measured by the geometrical deformation and functional residual between the template and each of the observations...
September 20, 2016: Medical Image Analysis
https://www.readbyqxmd.com/read/27622679/quadrant-field-pupillometry-detects-melanopsin-dysfunction-in-glaucoma-suspects-and-early-glaucoma
#18
Prakash Adhikari, Andrew J Zele, Ravi Thomas, Beatrix Feigl
It is difficult to detect visual function deficits in patients at risk for glaucoma (glaucoma suspects) and at early disease stages with conventional ophthalmic tests such as perimetry. To this end, we introduce a novel quadrant field measure of the melanopsin retinal ganglion cell mediated pupil light response corresponding with typical glaucomatous arcuate visual field defects. The melanopsin-mediated post-illumination pupil response (PIPR) was measured in 46 patients with different stages of glaucoma including glaucoma suspects and compared to a healthy group of 21 participants with no disease...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27554036/association-between-intraocular-pressure-and-rates-of-retinal-nerve-fiber-layer-loss-measured-by-optical-coherence-tomography
#19
Alberto Diniz-Filho, Ricardo Y Abe, Linda M Zangwill, Carolina P B Gracitelli, Robert N Weinreb, Christopher A Girkin, Jeffrey M Liebmann, Felipe A Medeiros
PURPOSE: To evaluate the relationship between intraocular pressure (IOP) and rates of retinal nerve fiber layer (RNFL) thickness change over time measured by spectral-domain (SD) optical coherence tomography (OCT). DESIGN: Observational cohort study. PARTICIPANTS: The study involved 547 eyes of 339 patients followed up for an average of 3.9±0.9 years. Three hundred eight (56.3%) had a diagnosis of glaucoma and 239 (43.7%) were considered glaucoma suspects...
October 2016: Ophthalmology
https://www.readbyqxmd.com/read/27483331/vision-related-quality-of-life-in-glaucoma-suspect-or-early-glaucoma-patients
#20
Asem Alqudah, Steven L Mansberger, Stuart K Gardiner, Shaban Demirel
PURPOSE: To determine the association of vision-related quality of life (QoL) to demographic factors and visual function in glaucoma suspect or early glaucoma patients. MATERIALS AND METHODS: We administered the 25-item National Eye Institute Visual Function Questionnaire (VFQ-25) on the same day as a comprehensive ocular examination to participants either with glaucoma or at high risk for developing glaucoma. Regression models were used to determine the association between VFQ-25 composite and subscale scores, visual field status, logMAR equivalent visual acuity (VA), age, and sex...
August 2016: Journal of Glaucoma
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