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https://www.readbyqxmd.com/read/28447270/annual-incidences-of-visual-impairment-during-10-year-period-in-mie-prefecture-japan
#1
Kengo Ikesugi, Takako Ichio, Hideyuki Tsukitome, Mineo Kondo
PURPOSE: To determine the annual incidence of visual impairment in a Japanese population during a 10-year period. METHODS: We examined the physical disability certificates issued yearly between 2004 and 2013 in Mie prefecture, Japan. During this period 2468 visually impaired people were registered under the newly defined Act on Welfare of the Physically Disabled Persons' criteria. The age, sex distribution, and causes of visual impairment were determined from the certificates...
April 26, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28442706/nitric-oxide-no-mediates-the-inhibition-of-form-deprivation-myopia-by-atropine-in-chicks
#2
Brittany J Carr, William K Stell
Myopia is the most common childhood refractive disorder. Atropine inhibits myopia progression, but its mechanism is unknown. Here, we show that myopia-prevention by atropine requires production of nitric oxide (NO). Form-deprivation myopia (FDM) was induced in week-old chicks by diffusers over the right eye (OD); the left eye (OS) remained ungoggled. On post-goggling days 1, 3, and 5, OD received intravitreally 20 µL of phosphate-buffered saline (vehicle), or vehicle plus: NO source: L-arginine (L-Arg, 60-6,000 nmol) or sodium nitroprusside (SNP, 10-1,000 nmol); atropine (240 nmol); NO inhibitors: L-NIO or L-NMMA (6 nmol); negative controls: D-Arg (10 µmol) or D-NMMA (6 nmol); or atropine plus L-NIO, L-NMMA, or D-NMMA; OS received vehicle...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28422801/interrater-and-test-retest-reliability-of-the-beery-visual-motor-integration-in-schoolchildren
#3
Erin M Harvey, Tina K Leonard-Green, Kathleen M Mohan, Marjean Taylor Kulp, Amy L Davis, Joseph M Miller, J Daniel Twelker, Irene Campus, Leslie K Dennis
PURPOSE: To assess interrater and test-retest reliability of the 6th Edition Beery-Buktenica Developmental Test of Visual-Motor Integration (VMI) and test-retest reliability of the VMI Visual Perception Supplemental Test (VMIp) in school-age children. METHODS: Subjects were 163 Native American third- to eighth-grade students with no significant refractive error (astigmatism <1.00 D, myopia <0.75 D, hyperopia <2.50 D, anisometropia <1.50 D) or ocular abnormalities...
May 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28410723/risk-factors-predicting-steroid-induced-ocular-hypertension-after-photorefractive-keratectomy
#4
Yumna Busool, Michael Mimouni, Igor Vainer, Shmuel Levartovsky, Tzahi Sela, Gur Munzer, Igor Kaiserman
PURPOSE: To assess the risk factors contributing to steroid-induced ocular hypertension after photorefractive keratectomy (PRK). SETTING: Care Laser Centers, Tel Aviv, Israel. DESIGN: Retrospective case series. METHODS: Patients having PRK between January 2000 and December 2015 were followed for at least 3 months. Intraocular pressure (IOP) was measured using the Goldmann applanation tonometer after 1 week and after 1, 3, and 6 months...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28410280/long-term-impacts-of-orthokeratology-treatment-on-sub-basal-nerve-plexus-and-corneal-sensitivity-responses-and-their-reversibility
#5
María Nombela-Palomo, Gema Felipe-Marquez, Miguel Angel Teus, Jose Luis Hernandez-Verdejo, Amelia Nieto-Bona
PURPOSE: To examine the effects of one year of overnight orthokeratology (OK) treatment on the sub-basal nerve plexus (SBNP) and corneal sensitivity and to assess the reversibility of these effects one month after treatment interruption. METHODS: Thirty-two subjects with low-moderate myopia underwent OK treatment for one year. Fifteen non-contact lens wearers served as controls. At the time points baseline, one year of treatment, and one month after removing the OK lenses, two tests were conducted: corneal sensitivity (Cochet-Bonnet esthesiometer) and SBNP imaging by in vivo confocal microscopy...
April 13, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28407165/comparison-of-corneal-epithelial-remodeling-after-femtosecond-laser-assisted-lasik-and-small-incision-lenticule-extraction-smile
#6
Ik-Hee Ryu, Bong Jun Kim, Jong-Hyuck Lee, Sun Woong Kim
PURPOSE: To comparatively investigate changes in epithelial thickness between myopic femtosecond laser-assisted LASIK (FS-LASIK) and small incision lenticule extraction (SMILE). METHODS: This study compared the topographic epithelial thickness changes in 175 myopic eyes undergoing FS-LASIK (62 eyes) or SMILE (113 eyes). Epithelial thickness was obtained using spectral-domain optical coherence tomography before surgery and 1 and 3 months after surgery. Topographic epithelial thickness obtained by automatic algorithm and thickness variability (standard deviation over 17 imaged areas) was compared between two groups...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28405488/multiple-intravitreal-ranibizumab-injections-for-persistant-choroidal-neovascularization-associated-with-presumed-ocular-histoplasmosis-syndrome
#7
Turgut Yılmaz, Seyhan Dikci, Oğuzhan Genç, Kayhan Mutlu
Presumed ocular histoplasmosis syndrome (POHS) is a clinical entity that is characterized by small, round, discrete, macular or mid peripheral atrophic (punched out) chorioretinal lesions (histo spots), peripapillary scarring, choroidal neovascularization (CNV), and the absence of anterior uveitis and vitritis. Diagnosis of this disorder is based upon characteristic clinical findings and a positive histoplasmin skin test or residence in an endemic region for Histoplasma capsulatum. There is no active systemic disease during diagnosis of POHS...
April 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28393596/-intravitreal-ranibizumab-therapy-for-choroidal-neovascularization-secondary-to-pathological-myopia
#8
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/28384717/reduced-scleral-timp-2-expression-is-associated-with-myopia-development-timp-2-supplementation-stabilizes-scleral-biomarkers-of-myopia-and-limits-myopia-development
#9
Hsin-Hua Liu, Megan S Kenning, Andrew I Jobling, Neville A McBrien, Alex Gentle
Purpose: The purpose of this study was to determine the endogenous regulation pattern of tissue inhibitor of metalloproteinase-2 (TIMP-2) in the tree shrew sclera during myopia development and investigate the capacity of exogenous TIMP-2 to inhibit matrix metalloproteinase-2 (MMP-2) in vitro and both scleral collagen degradation and myopia development in vivo. Methods: TIMP-2 expression in the sclera during myopia development was assessed using polymerase chain reaction...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28381643/quantification-of-the-efficacy-of-collagen-cross-linking-agents-to-induce-stiffening-of-rat-sclera
#10
Ian C Campbell, Bailey G Hannon, A Thomas Read, Joseph M Sherwood, Stephen A Schwaner, C Ross Ethier
The concept of scleral stiffening therapies has emerged as a novel theoretical approach for treating the ocular disorders glaucoma and myopia. Deformation of specific regions of the posterior eye is innately involved in the pathophysiology of these diseases, and thus targeted scleral stiffening could resist these changes and slow or prevent progression of these diseases. Here, we present the first systematic screen and direct comparison of the stiffening effect of small molecule collagen cross-linking agents in the posterior globe, namely using glyceraldehyde, genipin and methylglyoxal (also called pyruvaldehyde)...
April 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28373534/trio-based-exome-sequencing-arrests-de-novo-mutations-in-early-onset-high-myopia
#11
Zi-Bing Jin, Jinyu Wu, Xiu-Feng Huang, Chun-Yun Feng, Xue-Bi Cai, Jian-Yang Mao, Lue Xiang, Kun-Chao Wu, Xueshan Xiao, Bethany A Kloss, Zhongshan Li, Zhenwei Liu, Shenghai Huang, Meixiao Shen, Fei-Fei Cheng, Xue-Wen Cheng, Zhi-Li Zheng, Xuejiao Chen, Wenjuan Zhuang, Qingjiong Zhang, Terri L Young, Ting Xie, Fan Lu, Jia Qu
The etiology of the highly myopic condition has been unclear for decades. We investigated the genetic contributions to early-onset high myopia (EOHM), which is defined as having a refraction of less than or equal to -6 diopters before the age of 6, when children are less likely to be exposed to high educational pressures. Trios (two nonmyopic parents and one child) were examined to uncover pathogenic mutations using whole-exome sequencing. We identified parent-transmitted biallelic mutations or de novo mutations in as-yet-unknown or reported genes in 16 probands...
April 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28358959/a-bioengineering-approach-to-myopia-control-tested-in-a-guinea-pig-model
#12
Mariana B Garcia, Amit K Jha, Kevin E Healy, Christine F Wildsoet
Purpose: To investigate the biocompatibility of an injectable hydrogel and its ability to control myopia progression in guinea pigs. Methods: The study used a hydrogel synthesized from acrylated hyaluronic acid with a conjugated cell-binding peptide and enzymatically degradable crosslinker. Seven-day-old guinea pigs were first form deprived (FD) with diffusers for 1 week. One group was kept as an FD-only control; two groups received a sub-Tenon's capsule injection of either hydrogel or buffer (sham surgery) at the posterior pole of the eye...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28339073/identification-of-proteins-in-the-aqueous-humor-associated-with-cataract-development-using-itraq-methodology
#13
Minhong Xiang, Xingru Zhang, Qingsong Li, Hanmin Wang, Zhenyong Zhang, Zhumei Han, Meiqing Ke, Xingxing Chen
Proteins in the aqueous humor (AH) are important in the induction of cataract development. The identification of cataract-associated proteins assists in identifying patients and predisposed to the condition and improve treatment efficacy. Proteomics analysis has previously been used for identifying protein markers associated with eye diseases; however, few studies have examined the proteomic alterations in cataract development due to high myopia, glaucoma and diabetes. The present study, using the isobaric tagging for relative and absolute protein quantification methodology, aimed to examine cataract-associated proteins in the AH from patients with high myopia, glaucoma or diabetes, and controls...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28336436/induction-of-dopamine-d1-and-d5-receptors-in-r28%C3%A2-cells-by-light-exposures
#14
Yan Ke, Wentao Li, Zhiqun Tan, Zhikuan Yang
Dopamine is known to play an important role in the pathophysiological process of myopia development relevant to the ambient lighting, but it is still poorly understood about how lighting regulates dopamine and its interaction with dopamine receptors to mediate the pathogenic signal transduction leading to alterations of ocular globe and the pathogenesis of myopia. Many studies have highlighted changes of ocular dopamine amount in response to different lighting conditions, but little attention has been paid to the dopamine receptors during these processes...
March 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28336402/post-operative-efficacy-predictability-safety-and-visual-quality-of-laser-corneal-refractive-surgery-a-network-meta-analysis
#15
Daizong Wen, Colm McAlinden, Ian Flitcroft, Ruixue Tu, Qinmei Wang, Jorge Alió, John Marshall, Yingying Huang, Benhao Song, Liang Hu, Yune Zhao, Senmiao Zhu, Rongrong Gao, Fangjun Bao, Ayong Yu, Ye Yu, Hengli Lian, Jinhai Huang
PURPOSE: To compare the post-operative efficacy, predictability, safety and visual quality of all major forms of laser corneal refractive surgeries for correcting myopia. DESIGN: Systematic review and network meta-analysis. METHODS: MEDLINE, EMBASE, Cochrane Library and the US trial registry was conducted up to November 2015. Randomized controlled trials (RCT) reporting in accordance with the eligibility criteria were included in this review...
March 20, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28316195/-analysis-of-corneal-complications-in-children-wearing-orthokeratology-lenses-at-night
#16
C X Miao, X Y Xu, H Zhang
Objective: To explore the characteristics, prognoses and corneal complications of children wearing orthokeratology lenses (Ortho-K) at night. Methods: Retrospective case analysis. A total of 113 cases (219 eyes) wore Ortho-K for myopia at night, including 7 cases with unilateral glass wear. The average age was (11.5±2.0) years old. The myopia ranged from -1.00 D to -9.00 D in all eyes and from -2.00 D to -4.00 D in 157 of them. Examinations were performed before lens wearing, at 1 hour, the next morning, 2 days, 3 days, 1 week and 2 weeks after lens wearing, and thereafter once a month...
March 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28315834/risk-factors-for-myopia-progression-in-second-grade-primary-school-children-in-taipei-a-population-based-cohort-study
#17
Chih-Chien Hsu, Nicole Huang, Pei-Yu Lin, Shao-You Fang, Der-Chong Tsai, Shing-Yi Chen, Ching-Yao Tsai, Lin-Chung Woung, Shih-Hwa Chiou, Catherine Jui-Ling Liu
PURPOSE: To evaluate the 1-year progression of myopia and associated risk factors in second-grade primary school children. METHODS: The myopia investigation study in Taipei provided semiannual visual acuity testing and cycloplegic refraction for all second-grade primary school children (mean age: 7.49 years) in Taipei who provided parental consent. A questionnaire was distributed to the participants' parents before the first and third examinations. We evaluated 1-year follow-up data for children noted to have myopia on the first examination...
March 18, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28304244/intravitreally-administered-dopamine-d2-like-and-d4-but-not-d1-like-receptor-agonists-reduce-form-deprivation-myopia-in-tree-shrews
#18
Alexander H Ward, John T Siegwart, Michael R Frost, Thomas T Norton
We examined the effect of intravitreal injections of D1-like and D2-like dopamine receptor agonists and antagonists and D4 receptor drugs on form-deprivation myopia (FDM) in tree shrews, mammals closely related to primates. In eleven groups (n = 7 per group), we measured the amount of FDM produced by monocular form deprivation (FD) over an 11-day treatment period. The untreated fellow eye served as a control. Animals also received daily 5 µL intravitreal injections in the FD eye. The reference group received 0...
January 2017: Visual Neuroscience
https://www.readbyqxmd.com/read/28299011/management-of-giant-retinal-tear-detachments
#19
REVIEW
Maria H Berrocal, Megan L Chenworth, Luis A Acaba
Giant retinal tears (GRTs) are full-thickness circumferential tears of more than 90 degrees of the retina that are associated with vitreous detachment. They are related to ocular trauma, high myopia, aphakia, pseudophakia, genetic mutations involving collagen and young age. GRTs comprise 1.5% of all rhegmatogenous retinal detachments and the average age of incidence is 42 years. GRTs are more common in males, as 72% of all cases occur in males. The incidence of GRTs in the general population is estimated to be 0...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28292775/effectiveness-of-combined-macular-buckle-under-direct-vision-and-vitrectomy-with-ilm-peeling-in-refractory-macular-hole-retinal-detachment-with-extreme-high-axial-myopia-a-24-month-comparative-study
#20
Jin Ma, Honghui Li, Xiaohu Ding, Silvia Tanumiharjo, Lin Lu
PURPOSE: To evaluate the efficacy of a combined macular buckle under direct vision and 23-gauge pars plana vitrectomy (PPV) with internal limiting membrane (ILM) peeling in refractory macular hole retinal detachment (MHRD) with extreme high axial myopia. DESIGN: Prospective, randomised controlled study. PARTICIPANTS: The study included 98 eyes of 98 patients of MHRD with extreme high axial (>30 mm) myopia. INTERVENTION: Patients were randomly assigned to undergo PPV with ILM peeling (group 1, n=52) or PPV with ILM peeling combined with macular buckle under direct vision (group 2, n=46)...
March 14, 2017: British Journal of Ophthalmology
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