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Fundus autofluorescence

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https://www.readbyqxmd.com/read/28637922/targeting-factor-d-of-the-alternative-complement-pathway-reduces-geographic-atrophy-progression-secondary-to-age-related-macular-degeneration
#1
Brian L Yaspan, David F Williams, Frank G Holz, Carl D Regillo, Zhengrong Li, Amy Dressen, Menno van Lookeren Campagne, Kha N Le, Robert R Graham, Tatiana Beres, Tushar R Bhangale, Lee A Honigberg, Ashley Smith, Erin C Henry, Carole Ho, Erich C Strauss
Geographic atrophy is an advanced form of age-related macular degeneration (AMD) and a leading cause of vision loss for which there are no approved treatments. Genetic studies in AMD patients have implicated dysregulation of the alternative complement pathway in the pathogenesis of geographic atrophy. Lampalizumab is a potential therapeutic that targets complement factor D, a pivotal activator of the alternative complement pathway. The MAHALO phase 2 clinical trial was a multicenter, randomized, controlled study that evaluated lampalizumab administered by intravitreal injection monthly (n = 42) and every other month (n = 41) versus sham control (n = 40) in patients with geographic atrophy secondary to AMD...
June 21, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28635425/multimodal-imaging-in-cabp4-related-retinopathy
#2
Patrik Schatz, Maram E A Abdalla Elsayed, Arif O Khan
PURPOSE: Multimodal imaging has not been documented for CABP4-related retinopathy. In this study, we describe optical coherence tomography (OCT) and fundus autofluorescence findings for five genetically confirmed cases. METHODS: Retrospective case series. RESULTS: Four patients with the previously described homozygous Saudi CABP4 founder mutation c.81_82insA (p.Pro28ThrfsX44) and one patient with the homozygous mutation c.1A>G (p.Met1?) in CABP4 were examined...
March 1, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28633153/association-between-visual-function-and-subretinal-drusenoid-deposits-in-normal-and-early-age-related-macular-degeneration-eyes
#3
David Neely, Anna V Zarubina, Mark E Clark, Carrie E Huisingh, Gregory R Jackson, Yuhua Zhang, Gerald McGwin, Christine A Curcio, Cynthia Owsley
PURPOSE: To examine the association between subretinal drusenoid deposits (SDDs) identified by multimodal retinal imaging and visual function in older eyes with normal macular health or in the earliest phases of age-related macular degeneration (AMD). METHODS: Age-related macular degeneration status for each eye was defined according to the Age-Related Eye Disease Study (AREDS) 9-step classification system (normal = Step 1, early AMD = Steps 2-4) based on color fundus photographs...
July 2017: Retina
https://www.readbyqxmd.com/read/28632841/green-light-autofluorescence-versus-combined-blue-light-autofluorescence-and-near-infrared-reflectance-imaging-in-geographic-atrophy-secondary-to-age-related-macular-degeneration
#4
Maximilian Pfau, Lukas Goerdt, Steffen Schmitz-Valckenberg, Matthias M Mauschitz, Divyansh K Mishra, Frank G Holz, Moritz Lindner, Monika Fleckenstein
Purpose: To compare the intermodality and interreader agreement for geographic atrophy (GA) lesion size quantification in green-light fundus autofluorescence (GAF; excitation = 518 nm) versus combined blue-light fundus autofluorescence (BAF; excitation = 488 nm) and near-infrared reflectance (NIR; 820 nm) -based grading. Methods: Confocal scanning laser ophthalmoscopy (cSLO) GAF, BAF, and NIR images of 40 eyes from 29 patients (mean age 79.7 years) with GA secondary to AMD were recorded according to a standardized protocol...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28630947/evolution-of-geographic-atrophy-in-participants-treated-with-ranibizumab-for-neovascular-age-related-macular-degeneration
#5
Alisa T Thavikulwat, Naima Jacobs-El, Jane S Kim, Elvira Agrón, Jesia Hasan, Catherine B Meyerle, David Valent, Catherine A Cukras, Henry E Wiley, Wai T Wong, Emily Y Chew
PURPOSE: To evaluate the risk factors, incidence, and rate of progression of geographic atrophy (GA) in eyes with neovascular age-related macular degeneration (nAMD) treated with ranibizumab. DESIGN: Post-hoc analysis of a prospective clinical study. PARTICIPANTS: 69 participants with nAMD in at least one eye. METHODS: Participants were prospectively treated in the study eye with 0.5 mg intravitreal ranibizumab. Study eyes received 4 monthly injections followed by pro re nata injections until a fluid-free macula was achieved on optical coherence tomography...
January 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28626824/atypical-chronic-central-serous-chorioretinopathy-with-cystoid-macular-edema-therapeutic-response-to-medical-and-laser-therapy
#6
Jiun L Do, Lisa C Olmos de Koo, Hossein Ameri
PURPOSE: To describe an atypical case of chronic central serous chorioretinopathy (CSCR). METHODS: A 58-year-old man with longstanding, bilateral visual impairment was self-referred for a second opinion. RESULTS: Findings by direct ophthalmoscopy, optical coherence tomography, fluorescein angiography, and fundus autofluorescence (FAF) were suggestive of atypical, chronic CSCR. Treatment with oral anti-mineralocorticoids resulted in moderate improvement, and photodynamic therapy (PDT) had minimal effect...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28614139/multiple-evanescent-white-dot-syndrome-with-subretinal-deposits
#7
Orly Gal-Or, John A Sorenson, Sarra Gattoussi, Rosa Dolz-Marco, K Bailey Freund
PURPOSE: To describe the multimodal imaging findings of transient subretinal deposits occurring in multiple evanescent white dot syndrome (MEWDS). METHODS: The multimodal imaging characteristics of transient subretinal deposits occurring in MEWDS were investigated with ultra-widefield color and fundus autofluorescence, cross-sectional and en-face optical coherence tomography (OCT), en face OCT-angiography, and quantitative autofluorescence. RESULTS: A 28-year-old woman presented with photopsia and temporal visual field loss in her right eye...
June 13, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28614138/acute-exudative-paraneoplastic-polymorphous-vitelliform-maculopathy-during-vemurafenib-and-pembrolizumab-treatment-for-metastatic-melanoma
#8
Harpal S Sandhu, Anton M Kolomeyer, Marisa K Lau, Carol L Shields, Lynn M Schuchter, Charles W Nichols, Tomas S Aleman
PURPOSE: To describe a patient with BRAF mutation-positive cutaneous melanoma who developed acute exudative polymorphous vitelliform maculopathy during vemurafenib and pembrolizumab treatment for metastatic melanoma. METHODS: Retrospective case report documented with wide-field fundus imaging, spectral domain optical coherence tomography, and fundus autofluorescence imaging. RESULTS: A 55-year-old woman with bilateral ductal breast carcinoma and BRAF mutation-positive metastatic cutaneous melanoma complained of bilateral blurred vision within 5 days of starting vemurafenib (BRAF inhibitor)...
June 13, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28590963/acute-zonal-occult-outer-retinopathy-structural-and-functional-analysis-across-the-transition-zone-between-healthy-and-diseased-retina
#9
Tobias Duncker, Winston Lee, Fan Jiang, Rithambara Ramachandran, Donald C Hood, Stephen H Tsang, Janet R Sparrow, Vivienne C Greenstein
PURPOSE: To assess structure and function across the transition zone (TZ) between relatively healthy and diseased retina in acute zonal occult outer retinopathy. METHODS: Six patients (6 eyes; age 22-71 years) with acute zonal occult outer retinopathy were studied. Spectral-domain optical coherence tomography, fundus autofluorescence, near-infrared reflectance, color fundus photography, and fundus perimetry were performed and images were registered to each other...
January 23, 2017: Retina
https://www.readbyqxmd.com/read/28579742/intravitreal-use-of-bone-marrow-mononuclear-fraction-containing-cd34-stem-cells-in-patients-with-atrophic-age-related-macular-degeneration
#10
Carina Costa Cotrim, Luiza Toscano, André Messias, Rodrigo Jorge, Rubens Camargo Siqueira
PURPOSE: To evaluate the therapeutic potential and safety of intravitreal injections of bone marrow mononuclear fraction (BMMF) containing CD34(+) cells in patients with atrophic age-related macular degeneration (AMD). METHODS: Ten patients with atrophic AMD and best-corrected visual acuity (BCVA) in the worse-seeing eye of ≤20/100 were enrolled in this study. The bone marrow from all patients was aspirated and processed for mononuclear cell separation. A 0.1 mL suspension of BMMF CD34(+) cells was injected into the vitreous cavity of the worse-seeing eye...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28576211/morpho-functional-analysis-of-stargardt-disease-for-reading
#11
Paola Sasso, Andrea Scupola, Valeria Silvestri, Filippo M Amore, Edoardo Abed, Luigi Calandriello, Gabriela Grimaldi, Aldo Caporossi
OBJECTIVE: To analyze Stargardt disease (STGD) by morpho-functional examination and investigate the relationship between morpho-functional measures and reading performance. DESIGN: Observational case series study. PARTICIPANTS: Fifteen patients with STGD. METHODS: Twenty-six eyes of 15 patients underwent complete ophthalmic evaluation. Spectral domain optical coherence tomography, fundus autofluorescence (FAF), best corrected visual acuity (BCVA), and microperimetric examinations were performed...
June 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28574923/evaluation-of-patchy-atrophy-secondary-to-high-myopia-by-semiautomated-software-for-fundus-autofluorescence-analysis
#12
Alexandra Miere, Vittorio Capuano, Rita Serra, Camille Jung, Eric Souied, Giuseppe Querques
PURPOSE: To evaluate the progression of patchy atrophy in high myopia using semiautomated software for fundus autofluorescence (FAF) analysis. METHODS: The medical records and multimodal imaging of 21 consecutive highly myopic patients with macular chorioretinal patchy atrophy (PA) were retrospectively analyzed. All patients underwent repeated fundus autofluorescence and spectral domain optical coherence tomography over at least 12 months. Color fundus photography was also performed in a subset of patients...
May 31, 2017: Retina
https://www.readbyqxmd.com/read/28573994/microperimetric-evaluation-in-patients-with-adult-onset-foveomacular-vitelliform-dystrophy
#13
Pier Luigi Grenga, Serena Fragiotta, Alessandro Cutini, Alessandro Meduri, Enzo Maria Vingolo
INTRODUCTION: To compare mean best-corrected visual acuity (BCVA), retinal sensitivity (RS), and bivariate contour ellipse area (BCEA) in patients with adult-onset foveomacular vitelliform dystrophy (AOFVD) and healthy subjects (HSs), reporting also functional disease-related changes in the different stages of the AOFVD disease. MATERIALS AND METHODS: In this observational cross-sectional study, a total of 19 patients (30 eyes; 12 female and 7 male) with AOFVD were enrolled, and 30 patients (30 eyes; 16 female and 14 male) were recruited as age-matched control group (74...
May 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28570556/ultra-widefield-fundus-autofluorescence-in-age-related-macular-degeneration
#14
Abhilash Guduru, David Fleischman, Sunyoung Shin, Donglin Zeng, James B Baldwin, Odette M Houghton, Emil A Say
BACKGROUND: Establish accuracy and reproducibility of subjective grading in ultra-widefield fundus autofluorescence (FAF) imaging in patients with age-related macular degeneration (AMD), and determine if an association exists between peripheral FAF abnormalities and AMD. METHODS: This was a prospective, single-blinded case-control study. Patients were consecutively recruited for the study. Patients were excluded if there was a history of prior or active ocular pathology other than AMD or image quality was insufficient for analysis as determined by two independent graders...
2017: PloS One
https://www.readbyqxmd.com/read/28546991/structural-modeling-of-a-novel-slc38a8-mutation-that-causes-foveal-hypoplasia
#15
Marcus A Toral, Gabriel Velez, Katherine Boudreault, Kellie A Schaefer, Yu Xu, Norman Saffra, Alexander G Bassuk, Stephen H Tsang, Vinit B Mahajan
BACKGROUND: Foveal hypoplasia (FH) in the absence of albinism, aniridia, microphthalmia, or achromatopsia is exceedingly rare, and the molecular basis for the disorder remains unknown. FH is characterized by the absence of both the retinal foveal pit and avascular zone, but with preserved retinal architecture. SLC38A8 encodes a sodium-coupled neutral amino acid transporter with a preference for glutamate as a substrate. SLC38A8 has been linked to FH. Here, we describe a novel mutation to SLC38A8 which causes FH, and report the novel use of OCT-angiography to improve the precision of FH diagnosis...
May 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28542697/incidence-of-atrophic-lesions-in-stargardt-disease-in-the-progression-of-atrophy-secondary-to-stargardt-disease-progstar-study-report-no-5
#16
Rupert W Strauss, Beatriz Muñoz, Alex Ho, Anamika Jha, Michel Michaelides, Saddek Mohand-Said, Artur V Cideciyan, David Birch, Amir H Hariri, Muneeswar G Nittala, SriniVas Sadda, Hendrik P N Scholl
Importance: Outcome measures that are sensitive to disease progression are needed as clinical end points for future treatment trials in Stargardt disease. Objective: To examine the incidence of atrophic lesions of the retinal pigment epithelium in patients with Stargardt disease as determined by fundus autofluorescence imaging. Design, Setting, and Participants: In this retrospective multicenter cohort study, 217 patients 6 years and older at baseline at tertiary referral centers in Europe, the United States, and the United Kingdom who were harboring disease-causing variants in the adenosine triphosphate (ATP)-binding cassette subfamily A member 4 (ABCA4) gene and who met the following criteria were enrolled: (1) at least 1 well-demarcated area of atrophy with a minimum diameter of 300 µm, with the total area of all atrophic lesions being less than or equal to 12 mm2 in at least 1 eye at the most recent visit, and (2) fundus autofluorescence images for at least 2 visits with a minimum of 6 months between at least 2 visits...
May 25, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28541266/retinochoroidal-anastomosis-associated-with-enhanced-s-cone-syndrome
#17
Jennyfer Zerbib, Rocio Blanco Garavito, Sylvie Gerber, Hassiba Oubraham, Anne Sikorav, Isabelle Audo, Josseline Kaplan, Jean-Michel Rozet, Eric H Souied
PURPOSE: To describe the phenotype and genotype of a 10-year-old boy affected with enhanced S-cone syndrome associated with neovascularization. METHODS: Fundus autofluorescence, fluorescein angiography, indocyanine green angiography, spectral domain optical coherence tomography, full-field electroretinogram and NR2E3 molecular testing were performed. RESULTS: Best-corrected visual acuity was measured as 20/32, right eye and 20/20, left eye...
May 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28529701/recent-advances-in-the-management-of-dry-age-related-macular-degeneration-a-review
#18
REVIEW
Francesco Bandello, Riccardo Sacconi, Lea Querques, Eleonora Corbelli, Maria Vittoria Cicinelli, Giuseppe Querques
Age-related macular degeneration (AMD), the most important cause of vision loss in elderly people, is a degenerative disorder of the central retina with a multifactorial etiopathology. AMD is classified in dry AMD (d-AMD) or neovascular AMD depending on the presence of choroidal neovascularization. Currently, no therapy is approved for geographic atrophy, the late form of d-AMD, because no treatment can restore the damage of retinal pigment epithelium (RPE) or photoreceptors. For this reason, all treatment approaches in d-AMD are only likely to prevent and slow down the progression of existing atrophy...
2017: F1000Research
https://www.readbyqxmd.com/read/28520626/multimodal-imaging-of-acute-exudative-polymorphous-vitelliform-maculopathy-with-optical-coherence-tomography-angiography-and-adaptive-optics-scanning-laser-ophthalmoscopy
#19
Dimitra Skondra, Peter L Nesper, Amani A Fawzi
PURPOSE: To report a case of acute exudative polymorphous vitelliform maculopathy including the findings of optical coherence tomography angiography and adaptive optics scanning laser ophthalmoscopy. METHODS: Findings on clinical examination, color fundus photography, spectral-domain optical coherence tomography, infrared reflectance, autofluorescence, optical coherence tomography angiography, and adaptive optics scanning laser ophthalmoscopy. RESULTS: A 54-year-old white man with no significant medical history and history of smoking presented with bilateral multiple serous and vitelliform detachments consistent with acute exudative polymorphous vitelliform maculopathy...
May 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28513254/peripapillary-sparing-in-rdh12-associated-leber-congenital-amaurosis
#20
Aakriti Garg, Winston Lee, Jesse D Sengillo, Rando Allikmets, Kartik Garg, Stephen H Tsang
BACKGROUND: Peripapillary sparing is a characteristic that is traditionally described as pathognomonic for Stargardt disease. MATERIALS AND METHODS: We present a multimodal assessment of four Leber congenital amaurosis (LCA) cases with congenital macular atrophy and severely attenuated electroretinogram findings caused by bilallelic mutations in RDH12. RESULTS: Fundus autofluorescence imaging revealed a general loss of retinal pigment epithelium across the macula except for the peripapillary region in both eyes of all patients...
May 17, 2017: Ophthalmic Genetics
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