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ocular coherent tomography

Jung Yeob Han, Dong Cheol Lee, Se Youp Lee
PURPOSE: To evaluate the efficacy of anterior segment swept-source optical coherence tomography (SS-OCT) for examining horizontal extraocular muscle thickness, distance from the corneal limbus to the insertion of the horizontal extraocular muscle (limbus to insertion distance), and scleral thickness in Korean pediatric strabismus patients. METHODS: This study included pediatric strabismus patients between 5 and 10 years of age. Children with any ocular disease other than strabismus or a history of ocular surgery were excluded...
March 19, 2018: Korean Journal of Ophthalmology: KJO
Patrick Murtagh, Maxwell Treacy, Kirk Stephenson, Ian Dooley
A 33-year-old man presented with a 10-day history of bilateral blurred vision on a background of a prodromal influenza-like illness. Ocular Coherence Tomography (OCT) and fundal examination coincided with a diagnosis of atypical central serous retinopathy. The patient's symptoms worsened during follow-up, and he was started on steroids. Subsequent fundal examination revealed yellow deposits in a honeycomb pattern and hard exudates in the perimacular region. Serial OCTs revealed progression of bilateral macular intraretinal and subretinal fluid...
March 20, 2018: BMJ Case Reports
Ji Won Kim, JaeSang Ko, Young Jun Woo, Hyoung Won Bae, Jin Sook Yoon
PURPOSE: To determine the prevalence of ocular hypertension (OHT) and open-angle glaucoma (OAG) in patients with GO and to investigate the associations between clinical features of the disease and the prevalence of OHT and OAG. METHODS: A cross-sectional analytic study was conducted among a total of 1128 patients with Graves' orbitopathy (GO). A complete ophthalmic examination was performed, including intraocular pressure, optic disc photography, visual field testing using a Humphrey visual field analyzer, and retinal nerve fiber layer thickness measured by optical coherence tomography...
March 19, 2018: Journal of Glaucoma
Chuan Tian, Xi Chen, Jin Cao, Lu Yang
The present study was designed to compare the effect of indocyanine green (ICG)-enhanced laser (810 nm) thermocoagulation method and photodynamic therapy (PDT) on circumscribed choroidal hemangioma (CCH). A total of 36 patients (36 pair of eyes) diagnosed with CCH in the Ocular Fundus Disease Center of The Affiliated Hospital of Medical College of Ningbo University from June 2010 to January 2016 were selected and randomly divided into two groups. ICG-enhanced thermocoagulation was used to treat 18 patients (18 pair of eyes), and PDT was used to treat the remaining 18 patients (18 pair of eyes)...
April 2018: Oncology Letters
Luís Augusto Arana, Mariana Bolzani Bach, Gustavo Vedana, Mathias Alexandre Volkmann, Jayme Arana
PURPOSE: To describe a case of acute bilateral transient myopia, retinal folds, and island of choroidal delay associated with oral administration of Cefalium, a medication commonly prescribed in Brazil for migraine that combines acetaminophen 500 mg, caffeine 40 mg, dihydroergotamine mesylate 1 mg, and metoclopramide hydrochloride 10 mg. METHODS: A 21-year-old woman with bilateral blurred vision 1 day after the use of Cefalium. The main outcomes measures were BCVA, ocular fundus, ocular coherence tomography, and angiography findings...
April 2018: Retinal Cases & Brief Reports
Chiara Preziosa, Federico Corvi, Marco Pellegrini, Sara Bochicchio, Ana P Rosar, Giovanni Staurenghi
BACKGROUND/PURPOSE: To document by optical coherence tomography angiography, the onset of a choroidal neovascularization (CNV) secondary to traumatic choroidal rupture and describe its changes after an intravitreal injection of bevacizumab. METHODS: Case report. RESULTS: A 20-year-old woman presented referring vision loss after a blunt ocular trauma in her left eye. The patient underwent a complete ophthalmic examination. Best-corrected visual acuity was 20/200...
March 16, 2018: Retinal Cases & Brief Reports
Anna Dastiridou, Vikas Chopra
PURPOSE OF REVIEW: Optical coherence tomography angiography (OCTA) is a novel, noninvasive imaging modality that allows assessment of the retinal and choroidal vasculature. The scope of this review is to summarize recent studies using OCTA in glaucoma and highlight potential applications of this new technology in the field of glaucoma. RECENT FINDINGS: OCTA studies have shown that retinal vascular changes may not develop solely as a result of advanced glaucoma damage...
March 15, 2018: Current Opinion in Ophthalmology
Chao Tian, Wei Zhang, Van Phuc Nguyen, Xueding Wang, Yannis M Paulus
Photoacoustic ocular imaging is an emerging ophthalmic imaging technology that can noninvasively visualize ocular tissue by converting light energy into sound waves and is currently under intensive investigation. However, most reported work to date is focused on the imaging of the posterior segment of the eyes of small animals, such as rats and mice, which poses challenges for clinical human translation due to small eyeball sizes. This manuscript describes a novel photoacoustic microscopy (PAM) and optical coherence tomography (OCT) dual-modality system for posterior segment imaging of the eyes of larger animals, such as rabbits...
February 8, 2018: Journal of Visualized Experiments: JoVE
Hyung-Jin Kim, Minji Kim, Min Gyu Hyeon, Youngwoon Choi, Beop-Min Kim
We propose a new method of determining the optical axis (OA), pupillary axis (PA), and visual axis (VA) of the human eye by using dual-depth whole-eye optical coherence tomography (OCT). These axes, as well as the angles "α" between the OA and VA and "κ" between PA and VA, are important in many ophthalmologic applications, especially in refractive surgery. Whole-eye images are reconstructed based on simultaneously acquired images of the anterior segment and retina. The light from a light source is split into two orthogonal polarization components for imaging the anterior segment and retina, respectively...
February 1, 2018: Biomedical Optics Express
Efrat Fleissig, Mor Pavlovksy, Anat Loewenstein, Dinah Zur, Hadas Newman, Shay Keren, Dafna Goldenberg, Efrat Bar-Ilan, Michaella Goldstein
PURPOSE: To investigate ocular manifestations in patients with vitiligo by multimodal imaging, including optical coherence tomography (OCT), color fundus photography, and fundus autofluorescence (FAF). METHODS: In this prospective, observational clinical study, vitiligo patients underwent ophthalmologic and dermatologic clinical assessment and imaging by spectral-domain OCT, FAF, and color fundus imaging. Ocular echography was performed as indicated. Statistical analysis was performed using paired T test and Pearson correlation...
March 16, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
Sergio Crespo-Garcia, Nadine Reichhart, Sergej Skosyrski, Marco Foddis, Jim Wu, Aleksandar Figura, Christina Herrspiegel, Martina Füchtemeier, Celeste Sassi, Ulrich Dirnagl, Antonia M Joussen, Olaf Strauss
Animal models of disease are an indispensable element in our quest to understand pathophysiology and develop novel therapies. Ex vivo studies have severe limitations, in particular their inability to study individual disease progression over time. In this respect, non-invasive in vivo technologies offer multiple advantages. We here used bilateral common carotid artery occlusion (BCCAO) in mice, an established model for ischemic retinopathy, and performed a multimodal in vivo and ex vivo follow-up. We used scanning laser ophthalmoscopy (SLO), ocular coherence tomography (OCT) and electroretinography (ERG) over 6 weeks followed by ex vivo analyses...
2018: PloS One
Wei-Wen Su
Purpose: Sturge-Weber syndrome (SWS) is a neurocutaneous disorder characterized by facial cutaneous venous dilatation (port-wine stain), leptomeningeal angioma, and ocular abnormalities. Here we report a case of SWS who experienced acute primary angle-closure in the same side of the nevus flammeus. Observations: A 64-years-old female patient with SWS port wine stain on the left side of her face was referred to our ER for acute primary angle-closure (PAC). The IOP was 64 mmHg in the left eye (12 mmHg in OD) and the visual acuity was 20/100...
June 2018: American Journal of Ophthalmology Case Reports
Daniela Aneta Starosta, Birgit Lorenz
BACKGROUND: Neurofibromatosis type 2 (NF2) is a genetic condition with an autosomal dominant pattern of inheritance and incomplete penetrance. It is characterized by multiple benign tumors of the central and peripheral nervous system including astrocytomas, ependymomas, meningeomas, and schwannomas, among which bilateral vestibular schwannomas are the most frequent. Among ocular manifestations of NF2, juvenile subcapsular cataract is the most common followed by epiretinal membranes and combined hamartomas of the retina and retinal pigment epithelium...
March 2018: Klinische Monatsblätter Für Augenheilkunde
Andrew G Lee, Thomas H Mader, C Robert Gibson, Tyson J Brunstetter, William J Tarver
Interesting novel and somewhat perplexing physiologic and pathologic neuro-ocular findings have been documented in astronauts during and after long duration space flight (LDSF). These findings collectively have been termed the "space flight-associated neuro-ocular syndrome" (SANS). The National Aeronautics and Space Administration (NASA) in the United States has meticulously and prospectively documented the clinical, ultrasound, optical coherence tomography imaging, and radiographic findings of SANS including unilateral and bilateral optic disc edema, globe flattening, choroidal and retinal folds, hyperopic refractive error shifts, and nerve fiber layer infarcts (i...
March 12, 2018: Eye
Vasily Mikhaïlovitch Smirnov, Christina Zeitz, Nagasamy Soumittra, Isabelle Audo, Sabine Defoort-Dhellemmes
INTRODUCTION: CABP4-related retinal dysfunction is a cone-rod synaptic transmission disorder with electronegative electroretinogram (ERG) waveform. It is a rare retinal dysfunction that can be classified into the incomplete form of congenital stationary night blindness. Absent foveal reflex and overall foveal thinning were previously reported, but in most cases the fundus appearance was described as nearly normal. We report here peculiar macular changes in a patient of French ancestry harbouring CABP4 mutations...
March 10, 2018: Documenta Ophthalmologica. Advances in Ophthalmology
Florian S M Edlinger, Laura M Schrems-Hoesl, Christian Y Mardin, Robert Laemmer, Friedrich E Kruse, Wolfgang A Schrems
PURPOSE: Assessment of the diagnostic ability of segmented macular inner retinal layer thickness and peripapillary retinal nerve fiber layer (pRNFL) measured by spectral-domain optical coherence tomography (SD-OCT) in patients with normal-tension (NT) and high-tension (HT) perimetric and preperimetric glaucoma. METHODS: The 212 participants included 45 healthy subjects, 55 patients with ocular hypertension, 56 patients with preperimetric glaucoma, and 56 patients with perimetric glaucoma...
March 9, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
Etsuo Chihara, Galina Dimitrova, Tomoyuki Chihara
PURPOSE: To assess the responses of the superficial peripapillary retinal vessel density (VD) and prelaminar flow index (PLFI) to topical Rho-assisted coiled-coil forming protein kinase (ROCK) inhibitor ripasudil and alpha-2 agonist brimonidine using optical coherence tomography angiography. METHODS: This is a prospective, non-randomized, comparative cohort study. We studied the response of optical coherence tomography angiography (OCTA) parameters to drugs in 24 eyes treated with ripasudil and 23 eyes treated with brimonidine at the Sensho-kai Eye Institute...
March 8, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
Gözde Hondur, Emre Göktaş, Lama Al-Aswad, Gülgün Tezel
Purpose: This pilot cross-sectional study aimed to determine age-related changes of the retinal nerve fiber layer (RNFL) thickness in retinal periphery by swept-source optical coherence tomography-based analysis. Methods: Forty eyes of 40 healthy subjects were studied in three age groups, group 1 (20-40 years, n=15), group 2 (41-60 years, n=14), and group 3 (≥61 years, n=11). Wide-angle swept-source optical coherence tomography scans, including the optic disc and macula, were montaged with the nasal peripheral optical coherence tomography images acquired with a contralateral gaze...
2018: Clinical Ophthalmology
Nada Abdulaziz, Anjali R Shah, William J McCune
PURPOSE OF REVIEW: Antimalarial drugs including chloroquine, its less toxic quinolone-derivative hydroxychloroquine (HCQ), and quinacrine have become cornerstones in the treatment of autoimmune diseases including systemic lupus, rheumatoid arthritis, sarcoidosis, and Sjogren syndrome; cutaneous disorders, antiphospholipid syndrome, and have recently been employed at higher dioses in oncology. Benefits include anti-inflammatory effects, protection against thrombosis, and improved control of hyperglycemia and hyperlipidemia...
March 6, 2018: Current Opinion in Rheumatology
Elizabeth A F Schaefer, Rebecca E H Whiting, Jacqueline W Pearce, Bruce H Grahn, Charles W Hamm, Cecil P Moore, Kristina L Narfström
A 11-year-old neutered male Labrador retriever-cross dog was presented to the University of Missouri-Columbia Veterinary Ophthalmology Service for subtle visual deficits. Indirect ophthalmoscopy revealed a smooth, bullous elevation in the superior-temporal retina OU. Optical coherence tomography (OCT) performed OU showed inner retinal separation consistent with retinoschisis. Electroretinography (ERG) revealed markedly reduced b-wave amplitudes in the more severely affected eye (OD) compared with the less severely affected eye (OS)...
March 8, 2018: Veterinary Ophthalmology
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