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Spectral domain optical coherence tomography

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https://www.readbyqxmd.com/read/28339297/long-term-effect-of-panretinal-photocoagulation-on-spectral-domain-optical-coherence-tomography-measurements-in-diabetic-retinopathy
#1
Haeng-Jin Lee, Tae-Seen Kang, Baek-Soo Kwak, Young-Joon Jo, Jung-Yeul Kim
PURPOSE: To evaluate the effects of panretinal photocoagulation on spectral domain optical coherence tomography measurements in diabetic retinopathy by comparing the thicknesses of the central macula, retinal nerve fiber layer, and ganglion cell layer, we used a Cirrus HD OCT® (Carl Zeiss Meditec, Dublin, CA, USA) in normal and diabetic retinopathy cohorts. METHODS: We analyzed patients who visited our retinal clinic between May 2013 and July 2014. The patients were classified into four groups: normal (Group A), diabetes without diabetic retinopathy (Group B), severe nonproliferative or proliferative diabetic retinopathy (Group C), and at least 3 years after panretinal photocoagulation treatment (Group D)...
March 24, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28338558/correlation-between-central-foveal-thickness-and-visual-acuity-in-patients-with-idiopathic-vitreomacular-traction
#2
Mehmet M Uzel, Mehmet Citirik, Cagri Ilhan, Kemal Tekin
PURPOSE: To evaluate the impact of preoperative central foveal thickness (CFT) on visual acuity after surgery in patients with idiopathic vitreomacular traction and to calculate a cut-off value in preoperative CFT. METHODS: Thirty-five patients with idiopathic vitreomacular traction were evaluated retrospectively. A complete ophthalmological examination including spectral domain optical coherence tomography was performed preoperatively and at 12 months after the surgery...
March 23, 2017: Retina
https://www.readbyqxmd.com/read/28336674/interchangeability-and-reliability-of-macular-perfusion-parameter-measurements-using-optical-coherence-tomography-angiography
#3
Jing Dong, Ya-Ding Jia, Qiang Wu, Suhua Zhang, Yali Jia, David Huang, Xiaogang Wang
AIM: The aim of the study was to investigate the interchangeability and reliability of macular perfusion measurements using optical coherence tomography angiography. METHODS: A prospective cross-sectional observational study. Healthy adult Chinese subjects were recruited. Macular perfusion parameters were automatically analysed by software included in a spectral-domain optical coherence tomography system. The vessel density (VD) of the whole, parafovea, superior-hemi, inferior-hemi, fovea, temporal, superior, nasal and inferior quadrants as well as the foveal avascular zone (FAZ) and choroidal capillary VD (CCVD) were quantified...
March 23, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28334035/early-inner-retinal-thinning-and-cardiovascular-autonomic-dysfunction-in-type-2-diabetes
#4
Jin A Choi, Hyo Won Kim, Jin-Woo Kwon, Yun-Sub Shim, Dong Hyun Jee, Jae-Seung Yun, Yu-Bae Ahn, Chan Kee Park, Seung-Hyun Ko
BACKGROUND: To investigate changes in the neural retina according to the presence of retinal nerve fiber layer (RNFL) defects in type 2 diabetes, and to determine the association between inner retina thickness and the severity of diabetic complications. METHODS: We studied non-glaucomatous patients with type 2 diabetes and control subjects Circumpapillary RNFL and macula ganglion cell-inner plexiform layer (GCIPL) thicknesses were measured by spectral-domain optical coherence tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28333891/sd-oct-choroidal-thickness-in-advanced-primary-open-angle-glaucoma
#5
Riccardo Sacconi, Niccolo' Deotto, Tommaso Merz, Roberta Morbio, Stefano Casati, Giorgio Marchini
PURPOSE: To assess the choroidal thickness in advanced primary open-angle glaucoma (POAG) comparing patients affected by advanced glaucoma and normal subject using spectral domain optical coherence tomography (SD-OCT). METHODS: In total, 35 eyes of 35 patients affected by POAG with advanced perimetric defect (mean deviation worse than -12 dB) were prospectively enrolled and underwent a complete ophthalmologic examination, including enhanced depth imaging SD-OCT...
March 22, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28333890/the-association-between-clinical-features-seen-on-fundus-photographs-and-glaucomatous-damage-detected-on-visual-fields-and-optical-coherence-tomography-scans
#6
Paula A Alhadeff, Carlos G De Moraes, Monica Chen, Ali S Raza, Robert Ritch, Donald C Hood
PURPOSE: To classify the appearance of the optic disc seen on fundus photographs of healthy subjects and patients with or suspected glaucoma whose diagnosis was based upon visual fields (VFs) and spectral-domain optical coherence tomography (sdOCT) results. PATIENTS AND METHODS: One eye of 100 patients with or suspected glaucoma and 62 healthy subjects were prospectively tested with 24-2 and 10-2 VF and macular and disc sdOCT cube scans. All eyes with or suspected glaucoma had a 24-2 mean deviation better than -6...
March 22, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28333881/outer-retinal-layer-thickness-as-good-visual-predictor-in-patients-with-diabetic-macular-edema
#7
Tamer F Eliwa, Mahdi A Hussein, Mohamed A Zaki, Osama A Raslan
PURPOSE: To evaluate the relationship between outer retinal layer (ORL) thickness in diabetic macular edema to visual acuity (VA). METHODS: Ninety-five eyes were included in this prospective nonrandomized case-control study. They divided into 30 cases of healthy normal subjects and 65 cases of nonproliferative diabetic retinopathy with diabetic macular edema. Complete ophthalmic examination and spectral domain-optical coherence tomography were done for all cases and analyzed to measure central foveal point thickness (CFT), ORL thickness at fovea, and subfoveal choroidal thickness...
March 22, 2017: Retina
https://www.readbyqxmd.com/read/28333856/extreme-diurnal-variation-of-central-macular-thickness-in-diabetic-macular-edema
#8
Kumar Sambhav, Sandeep Grover, Kakarla V Chalam
PURPOSE: Spectral domain optical coherence tomography is an established modality to quantify diabetic macular edema (DME). Change in central subfield thickness exceeding 3% to 6% in DME is likely to be significant. In this case of DME, we describe an extreme bilateral variation in central macular thickness on spectral domain optical coherence tomography over two consecutive days without any treatment. METHODS: The patient with DME and nonproliferative diabetic retinopathy underwent visual acuity testing, slit-lamp biomicroscopy, and dilated fundus examination...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333855/serous-retinopathy-associated-with-cisplatin-treatment
#9
Spencer Langevin, Jonathan S Chang, Stanley Chang
BACKGROUND/PURPOSE: To describe a case of serous retinopathy and associated photoreceptor atrophy after intravenous cisplatin therapy. METHODS: Evaluation was performed using electroretinogram, optical coherence tomography, fundus autofluorescence, and funduscopic examinations to assess the extent of retinal disease, toxicity, and eventual atrophy. RESULTS: A 56 year-old man with metastatic small cell carcinoma with vision changes after initiation of cisplatin therapy...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333853/multimodal-imaging-in-vortex-vein-varices
#10
Chiara Veronese, Giovanni Staurenghi, Marco Pellegrini, Chiara Maiolo, Laura Primavera, Mariachiara Morara, Grayson W Armstrong, Antonio P Ciardella
PURPOSE: The aim of this study is to describe the clinical presentation of vortex vein varices with multimodal imaging. METHODS: The authors carried out a retrospective case series of eight patients (7 female, 1 male) with an average age of 60.2 years (min 8, max 84, median 68.5) presenting with vortex vein varices. All patients were evaluated at the Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy and at Luigi Sacco Hospital, University of Milan, Milan, Italy...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333783/dome-shaped-macula-in-myopic-eyes-twelve-month-follow-up
#11
Daniel Lorenzo, Luis Arias, Netan Choudhry, Eduard Millan, Ignacio Flores, Marcos J Rubio, Estefanía Cobos, Pere García-Bru, Alejandro Filloy, Josep M Caminal
PURPOSE: To study the long-term clinical course of dome-shaped macula in myopic eyes and to evaluate treatment efficacy for subretinal fluid (SRF) as a related complication. METHODS: A retrospective, single-center consecutive case series study was conducted. The authors analyzed myopic eyes with dome-shaped macula in patients who presented for evaluation of decreased vision. Dome-shaped macula was defined as a convexity of the retina-choroidal macular complex seen on spectral domain optical coherence tomography images...
April 2017: Retina
https://www.readbyqxmd.com/read/28332896/the-distribution-of-macular-thickness-and-its-determinants-in-a-healthy-population
#12
Hassan Hashemi, Mehdi Khabazkhoob, AbbasAli Yekta, Mohammad Hassan Emamian, Payam Nabovati, Akbar Fotouhi
PURPOSE: To determine the distribution of macular thickness in a healthy Iranian population aged 45-69 years and its association with certain determinants. METHODS: All participants underwent optometric examinations including measurement of uncorrected and corrected visual acuity, objective refraction by retinoscopy, and subjective refraction. Subsequently, all participants underwent slit-lamp biomicroscopy followed by fundus examination through direct and indirect ophthalmoscopy, and optical coherence tomography (OCT) imaging under pupil dilation...
March 23, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28332008/case-of-adult-onset-neuronal-intranuclear-hyaline-inclusion-disease-with-negative-electroretinogram
#13
Wataru Yamada, Akira Takekoshi, Kyoko Ishida, Kiyofumi Mochizuki, Jun Sone, Gen Sobue, Yuichi Hayashi, Takashi Inuzuka, Yozo Miyake
PURPOSE: To report the findings in a 72-year-old man with neuronal intranuclear hyaline inclusion disease (NIHID) with the negative-type electroretinogram (ERG) and without night blindness. METHODS: Standard ophthalmological examinations including the medical history, measurements of the best-corrected visual acuity and intraocular pressures, slit-lamp biomicroscopy, ophthalmoscopy, spectral-domain optical coherence tomography, fundus autofluorescence, and perimetry were performed...
March 22, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28328978/thickness-of-retinal-layers-in-the-foveas-of-children-with-anisometropic-amblyopia
#14
Wuhe Chen, Jinling Xu, Jinjing Zhou, Zhouqun Gu, Shenghai Huang, Heming Li, Zhuoer Qin, Xinping Yu
PURPOSE: To use highly precise spectral-domain optical coherence tomography (SD-OCT) to determine whether there were structural abnormalities in the layers of different regions of the fovea in children with anisometropic amblyopia. METHODS: Eighteen children (mean age 7.8 years old; range 5-11 years) with unilateral anisometropic amblyopia and 18 age-matched control subjects participated. Foveal thickness was measured with an enhanced depth imaging system, SD-OCT and segmented into layers using custom developed software...
2017: PloS One
https://www.readbyqxmd.com/read/28323591/treatment-and-monitoring-of-central-serous-chorioretinopathy-in-pilots
#15
Ari Shinojima, Ryusaburo Mori, Kyoko Fujita, Mitsuko Yuzawa
BACKGROUND: Central serous chorioretinopathy (CSC), which has the characteristics of a serous retinal detachment (SRD) in the macular area, affects mostly men in the 30- to 50-yr age range. Some patients have persistent SRD, which may cause retinal thinning and photoreceptor impairment. CSC symptoms are gradual vision loss and/or metamorphopsia. Some commercial airline pilots are concerned about CSC symptoms, which can disqualify them from flying for months and can also reoccur. Thus, careful monitoring and treatment of CSC are critical for pilots, especially those with chronic or recurrent CSC...
December 1, 2016: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28322733/quantitative-analysis-of-retinal-structure-using-spectral-domain-optical-coherence-tomography-in-rpgr-associated-retinopathy
#16
James J L Tee, Joseph Carroll, Andrew R Webster, Michel Michaelides
PURPOSE: Quantification of retinal structure and progression using spectral-domain optical coherence tomography (SDOCT) in patients with retinitis pigmentosa (RP) associated with retinitis pigmentosa GTPase regulator gene (RPGR) mutations DESIGN: Retrospective observational case series METHODS: Setting: Moorfields Eye Hospital, London, United Kingdom. SUBJECTS: Both eyes of 32 patients. SDOCT follow-up period of >1 year (3.1±1.4 years). OUTCOME MEASURES: Ellipsoid zone (EZ) width (EZW), outer nuclear layer (ONL) and inner retinal layer (IRL) thickness measurements...
March 16, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28319450/retinal-and-choroidal-thickness-in-adult-patients-with-familial-mediterranean-fever
#17
Tolga Bicer, Osman Celikay, Mustafa Kosker, Muhammed Yunus Alp, Cem Ozisler, Ahmet Yesilyurt, Burcu Kucuk Bicer, Canan Gurdal
PURPOSE: We aimed to evaluate changes in retinal, choroidal, ganglion cell complex (GCC) and retinal nerve fiber layer (RNFL) thicknesses in genetically diagnosed adult patients with familial Mediterranean fever (FMF). METHODS: A total of 50 eyes of 50 genetically diagnosed patients with FMF and 50 eyes of controls were analyzed. Patients were recruited from the Genetic Diagnostic Center of Dışkapı Yıldırım Beyazıt Research and Training Hospital, Turkey. Retinal and choroidal thicknesses were obtained using spectral-domain optical coherence tomography from choroid, retina, GCC, and RNFL...
March 20, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28316836/comparison-of-progression-rate-of-retinal-pigment-epithelium-loss-in-patients-with-neovascular-age-related-macular-degeneration-treated-with-ranibizumab-and-aflibercept
#18
Juliana Wons, Magdalena A Wirth, Nicole Graf, Matthias D Becker, Stephan Michels
Purpose. Retinal pigment epithelium (RPE) loss in neovascular age-related macular degeneration (nAMD) seem to have a linear progression but might be influenced by the treatment. The purpose of the study is the comparison of RPE loss over three years in patients treated with intravitreal ranibizumab to patients who were switched to aflibercept. Methods. A retrospective analysis with 96 eyes switched to aflibercept was conducted. The progression rate of RPE loss was evaluated in patients who showed atrophy one year prior to switch (n = 17) or on switch date (n = 19)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28316835/clinical-characteristics-of-patients-with-newly-diagnosed-diabetic-macular-edema-in-turkey-a-real-life-registry-study-turk-dem
#19
Bora Eldem, Sengul Ozdek, Ali Osman Saatci, Emin Ozmert, Esat Ulay, Gulsah Nomak
Purpose. To evaluate the clinical and diagnostic characteristics of patients with newly diagnosed diabetic macular edema (DME) in Turkey in a real-life setting. Methods. A total of 945 consecutive patients (mean (SD) age: 61.3 (9.9) years, 55.2% male) with newly diagnosed DME were included. Data on patient demographics, comorbidities, ocular history, ophthalmic examination findings including type of DME, central macular thickness (CMT) via time domain (TD) and spectral domain (SD) optical coherence tomography (OCT), and planned treatments were recorded...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28315514/optic-nerve-head-in-central-retinal-vein-occlusion-by-spectral-domain-oct
#20
Antonio Longo, Teresio Avitabile, Maurizio G Uva, Vincenza Bonfiglio, Andrea Russo, Mario D Toro, Caterina Gagliano, Matteo Fallico, Michele Reibaldi
PURPOSE: To evaluate the morphology of optic nerve head by spectral-domain optical coherence tomography (SD-OCT) in patients with unilateral central retinal vein occlusion (CRVO). METHODS: In 39 consecutive patients with unilateral CRVO and 39 healthy controls, morphologic parameters of optic nerve head were assessed in both eyes by Spectralis SD-OCT using a custom radial B-scan pattern. The length of Bruch membrane opening (BMO) was measured in OCT scans, and optic disc diameters (DD) were assessed in infrared fundus photographs...
February 28, 2017: European Journal of Ophthalmology
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