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Pathological myopia

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https://www.readbyqxmd.com/read/28738419/posterior-staphylomas-in-pathologic-myopia-imaged-by-widefield-optical-coherence-tomography
#1
Kosei Shinohara, Noriaki Shimada, Muka Moriyama, Takeshi Yoshida, Jost B Jonas, Nagahisa Yoshimura, Kyoko Ohno-Matsui
Purpose: To examine posterior staphylomas by widefield optical coherence tomography (WF-OCT) and three-dimensional magnetic resonance imaging (3D-MRI). Methods: Highly myopic patients (myopic refractive error >8.0 diopters or axial length >26.5 mm) who had previously undergone orbital 3D-MRI were examined by WF-OCT. Results: The study included 100 eyes of 57 patients with a mean age of 67.9 ± 10.7 years (range, 44-85 years) and mean axial length of 30...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28734810/retinal-pigment-epithelium-humps-in-high-myopia
#2
Alessandro Marchese, Adriano Carnevali, Riccardo Sacconi, Teresa Centoducati, Lea Querques, Francesco Bandello, Giuseppe Querques
PURPOSE: To report on the presence of retinal pigment epithelium (RPE) humps in high myopia, and to describe the distinctive features from pathological PEDs and choroidal neovascularizations (CNVs). DESIGN: Retrospective cross-sectional study. METHODS: Charts and imaging studies of highly myopic patients presenting between September 2015 and February 2017 at a university teaching hospital were consecutively reviewed. All patients underwent spectral domain optical coherence tomography (OCT)...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28696042/reduced-vision-in-highly-myopic-eyes-without-ocular-pathology-the-zoc-bhvi-high-myopia-study
#3
Monica Jong, Padmaja Sankaridurg, Wayne Li, Serge Resnikoff, Kovin Naidoo, Mingguang He
BACKGROUND: The aim was to investigate the relationship of the magnitude of myopia with visual acuity in highly myopic eyes without ocular pathology. METHODS: Twelve hundred and ninety-two highly myopic eyes (up to -6.00 DS both eyes, no astigmatic cut-off) with no ocular pathology from the ZOC-BHVI high myopia study in China, had cycloplegic refraction, followed by subjective refraction and visual acuities and axial length measurement. Two logistic regression models were undertaken to test the association of age, gender, refractive error, axial length and parental myopia with reduced vision...
July 11, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28689749/iontophoresis-assisted-accelerated-riboflavin-ultraviolet-a-scleral-cross-linking-a-potential-treatment-for-pathologic-myopia
#4
Shuo Rong, Chaoying Wang, Baoyan Han, Pengfei Feng, Weiwei Lan, Zhipeng Gao, Xiaona Li, Weiyi Chen
Scleral collagen cross-linking is one of the most promising treatments to control the pathologic process of myopia. However, the exact procedure and its impact on animal models of myopia are still to be explored. We modified the scleral riboflavin/ultraviolet A (UVA) cross-linking procedure with an iontophoresis-assisted drug delivery system and an accelerated UVA irradiation (10 mW/cm(2), 9 min) and applied this treatment to an animal model of myopia. Ninety-six New Zealand White rabbits developed relatively stable myopia by visual deprivation and then underwent the modified scleral cross-linking surgery...
July 6, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28682947/interocular-asymmetry-in-choroidal-thickness-and-retinal-sensitivity-in-high-myopia
#5
Zeyad Alzaben, Genís Cardona, Miguel A Zapata, Ahmad Zaben
PURPOSE: To investigate the normal range of interocular asymmetry in choroidal thickness and retinal sensitivity in high myopia without ocular fundus manifestations and to determine the relationship between interocular asymmetry and refractive error. METHODS: Forty-three patients (35.07 ± 13.31 years) with high myopia and 45 healthy participants (39.9 ± 14.1 years) were administered an ocular coherence tomography and a microperimetry examination to determine choroidal thickness and retinal sensitivity at the foveal region and at 1, 2, and 3 mm, nasally, temporally, superiorly, and inferiorly...
July 6, 2017: Retina
https://www.readbyqxmd.com/read/28668352/the-chick-eye-in-vision-research-an-excellent-model-for-the-study-of-ocular-disease
#6
REVIEW
C Ellis Wisely, Javed A Sayed, Heather Tamez, Chris Zelinka, Mohamed H Abdel-Rahman, Andy J Fischer, Colleen M Cebulla
The domestic chicken, Gallus gallus, serves as an excellent model for the study of a wide range of ocular diseases and conditions. The purpose of this manuscript is to outline some anatomic, physiologic, and genetic features of this organism as a robust animal model for vision research, particularly for modeling human retinal disease. Advantages include a sequenced genome, a large eye, relative ease of handling and maintenance, and ready availability. Relevant similarities and differences to humans are highlighted for ocular structures as well as for general physiologic processes...
June 28, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28664572/the-use-of-contact-lenses-in-low-vision-rehabilitation-optical-and-therapeutic-applications
#7
REVIEW
Stephen J Vincent
Ocular pathology that manifests at an early age has the potential to alter the vision-dependent emmetropisation mechanism, which co-ordinates ocular growth throughout childhood. The disruption of this feedback mechanism in children with congenital or early-onset visual impairment often results in the development of significant ametropia, including high levels of spherical refractive error, astigmatism and anisometropia. This review examines the use of contact lenses as a refractive correction, low vision aid and therapeutic intervention in the rehabilitation of patients with bilateral, irreversible visual loss due to congenital ocular disease...
June 29, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28660874/occupational-exposure-to-fluorescent-light-in-a-pathologist-with-myopic-complications-and-asthenopia-onset
#8
Marco Quarato, Maria Franca Gatti, Luigi De Maria, Antonio Caputi, Fulvio Italo Maria Fucilli, Luigi Vimercati
BACKGROUND: Pathologic myopia is often associated with many complications, e.g. retinopathy, vitreous detachment and glaucoma. To date, occupational exposure of workers suffering from myopic co-morbidities to fluorescence light is not clearly linked to a worsening of retinal damage and eye symptoms. CASE REPORT: A 56-year-old pathologist, suffering from myopic retinopathy and other ocular comorbidities, asked for medical examination due to worsening vision and burning eyes, after occupational exposure to fluorescence microscope...
June 28, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/28655539/myopic-choroidal-neovascularization-review-guidance-and-consensus-statement-on-management
#9
Chui Ming Gemmy Cheung, Jennifer J Arnold, Frank G Holz, Kyu Hyung Park, Timothy Y Y Lai, Michael Larsen, Paul Mitchell, Kyoko Ohno-Matsui, Shih-Jen Chen, Sebastian Wolf, Tien Yin Wong
TOPIC: The aim of this article is to review and compile available information on the classification, pathophysiology, and clinical features of myopic choroidal neovascularization (CNV); to describe the latest data on the management of this disease; and to present guidance. CLINICAL RELEVANCE: In the United States, myopia affects approximately 34 million people (2010), and similar figures have been reported in Europe. Pathologic myopia (PM), a possible consequence of myopia, is estimated to affect up to 3% of the global population...
June 24, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28654981/optic-nerve-tilt-crescent-ovality-and-torsion-in-a-multi-ethnic-cohort-of-young-adults-with-and-without-myopia
#10
Wendy L Marsh-Tootle, Elise Harb, Wei Hou, Qinghua Zhang, Heather A Anderson, Katherine Weise, Thomas T Norton, Jane Gwiazda, Leslie Hyman
Purpose: The purpose of this article is to evaluate optic nerve head (ONH) characteristics in an ethnically diverse cohort of young U.S. adults. Methods: In this study, 409 myopes and 206 nonmyopes (median age 22 years) completed measures including biometry and spectral domain optical coherence tomography from enface (ovality and torsion) and cross-sectional (tilt and crescent width) scans. Associated factors were evaluated using multivariable models. Results: In myopic versus nonmyopic right eyes, median tilt (6...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28600301/features-of-optical-coherence-tomography-predictive-of-choroidal-neovascularisation-treatment-response-in-pathological-myopia-in-association-with-fluorescein-angiography
#11
Dong Hyun Lee, Hyun Goo Kang, Sung Chul Lee, Min Kim
BACKGROUND/AIMS: The aim of this study was to evaluate the usefulness of several optical coherence tomography (OCT) findings to estimate choroidal neovascularisation (CNV) activity in pathological myopia using fluorescein angiography (FA) as a reference. METHODS: This was a single-centre, retrospective study. The medical records of patients with active myopic CNV who received intravitreal bevacizumab treatment were reviewed. Parameters to monitor CNV activity were morphological features of CNV on OCT, such as CNV height, central foveal thickness, intraretinal cysts, subretinal fluid, fuzziness of the CNV border, CNV network area on FA, and haemorrhage or exudation on fundus photo...
June 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28555457/-situs-inversus-of-the-optic-nerve-a-case-report
#12
I Lopez-Cuenca, R de Hoz, E Salobrar-Garcia, B Rojas, A I Ramirez, J J Salazar, A Trivino, J M Ramirez
INTRODUCTION: Situs inversus of the optic nerve is a congenital anomaly characterised by the emergence of the vessels in the retina towards the nose rather than in a temporal direction. It is caused by an anomalous insertion of the optic stalks into the optic vesicle that gives rise to dysversion of the head of the optic nerve. It is not an isolated condition and usually appears jointly with tilted disc syndrome and in patients with myopia. It is characterised by the presence of inferior conus atrophy, deficiencies in the temporal visual field, refraction defects and ambliopy...
June 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28542088/corneal-breakthrough-haze-after-photorefractive-keratectomy-with-mitomycin-c-incidence-and-risk-factors
#13
Igor Kaiserman, Naʼava Sadi, Michael Mimouni, Tzahi Sela, Gur Munzer, Shmuel Levartovsky
PURPOSE: To identify preoperative and intraoperative factors affecting breakthrough corneal haze incidence after photorefractive keratectomy (PRK) with mitomycin C (MMC). METHODS: In this retrospective study of PRK performed at the Care Vision Refractive Laser Center, Tel Aviv, Israel, a total of 7535 eyes (n = 3854 patients; mean age ± SD, 26 ± 6 years; 55% men) underwent PRK with intraoperative MMC application. Patients with histories of corneal pathology or surgery were excluded...
May 23, 2017: Cornea
https://www.readbyqxmd.com/read/28432184/management-of-a-case-of-myopic-foveoschisis-with-phakic-intraocular-lens-piol-in-situ-intraoperative-challenges
#14
Atul Kumar, Aditi Mehta, Raghav Dinesh Ravani, Prateek Kakkar
We describe the case of a 30-year-old man with pathological myopia with a phakic intraocular lens (IOL) (Visian ICL V4c model; STAAR, Monrovia, California, USA) in situ having complaints of metamorphopsia in the left eye with documented myopic foveoschisis on swept-source optical coherence tomography (DRI OCT Triton; Topcon, Tokyo, Japan). The patient underwent pars plana vitrectomy with internal limiting membrane peeling. This report discusses the intraoperative challenges occurring as a result of increased optical aberrations in the presence of a phakic IOL...
April 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28393596/-intravitreal-ranibizumab-therapy-for-choroidal-neovascularization-secondary-to-pathological-myopia
#15
Regina Lukács, Gábor Sándor, Miklós Resch, Antal Szabó, György Barcsay, Mónika Ecsedy, Zsuzsanna Szepessy, Zoltán Zsolt Nagy, András Papp
INTRODUCTION: Pathological myopia is one of the leading causes of vision loss worldwide, especially among young people of working age. Choroidal neovascularization is one of the most important cause of visual impairment in pathological myopia. AIM: To evaluate the efficacy of intravitreal ranibizumab for the treatment of myopic choroidal neovascularization. METHOD: In this retrospective analysis 14 eyes of 14 patients (mean age: 61 ± 17 years) with myopic choroidal neovascularization were treated with intravitreal ranibizumab as needed...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28376046/autologous-internal-limiting-membrane-fragment-transplantation-for-rhegmatogenous-retinal-detachment-due-to-paravascular-or-juxtapapillary-retinal-breaks-over-patchy-chorioretinal-atrophy-in-pathologic-myopia
#16
Stanislao Rizzo, Ruggero Tartaro, Francesco Barca, Daniela Bacherini, Fabrizio Franco, Tomaso Caporossi
No abstract text is available yet for this article.
April 3, 2017: Retina
https://www.readbyqxmd.com/read/28366874/impaired-vitreous-composition-and-retinal-pigment-epithelium-function-in-the-foxg1-lrp2-myopic-mice
#17
Olivier Cases, Antoine Obry, Sirine Ben-Yacoub, Sébastien Augustin, Antoine Joseph, Géraldine Toutirais, Manuel Simonutti, Annabel Christ, Pascal Cosette, Renata Kozyraki
High myopia (HM) is one of the main causes of visual impairment and blindness all over the world and an unsolved medical problem. Persons with HM are predisposed to other eye pathologies such as retinal detachment, myopic retinopathy or glaucomatous optic neuropathy, complications that may at least partly result from the extensive liquefaction of the myopic vitreous gel. To identify the involvement of the liquid vitreous in the pathogenesis of HM we here analyzed the vitreous of the recently described highly myopic low density lipoprotein receptor-related protein 2 (Lrp2)-deficient eyes...
March 31, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28345561/insight-into-high-myopia-and-the-macula
#18
REVIEW
Atul Kumar, Rohan Chawla, Devesh Kumawat, Ganesh Pillay
The incidence of myopia is constantly on the rise. Patients of high myopia and pathological myopia are young and can lose vision due to a number of degenerative changes occurring at the macula. With the emergence of new technologies such as swept-source optical coherence tomography (OCT) and OCT angiography, our understanding of macular pathology in myopia has improved significantly. New conditions such as myopic traction maculopathy have been defined. Early, noninvasive detection of myopic choroidal neovascularization and its differentiation from lacquer cracks is possible with a greater degree of certainty...
February 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28330571/use-of-3d-orbital-reconstruction-in-the-assessment-of-orbital-sexual-dimorphism-and-its-pathological-consequences
#19
N Graillon, C Boulze, P Adalian, A Loundou, L Guyot
INTRODUCTION: Surrounded by a variety of structures including the facial sinuses and the brain, the human orbit displays unique anatomical features. It is known that orbital volume correlates with age and sex. The aim of this study was to evaluate sexual dimorphism of orbital volume relative to the size of the skull, and to establish criteria for gender determination. METHODS: Orbital volume was measured from 3D models of the orbits. The volumes were expressed in relation to the centroid size of the skull, to ensure that any sexual dimorphism in orbital volume was not simply due to a difference in skull size...
February 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28282059/regarding-advances-of-optical-coherence-tomography-in-myopia-and-pathologic-myopia
#20
E H Wood, M A Powers, S R Sanislo, M W Gaynon
No abstract text is available yet for this article.
July 2017: Eye
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