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https://www.readbyqxmd.com/read/28345572/late-dislocation-of-in-the-bag-intraocular-lenses-in-uveitic-eyes-an-analysis-of-management-and-complications
#1
Sudha K Ganesh, Parveen Sen, Hitesh R Sharma
AIM: An analysis of late in-the-bag dislocation of intraocular lenses (IOL), in uveitic eyes. SETTING: Referral uveitis clinic. DESIGN: Retrospective case series. MATERIALS AND METHODS: All case records of eyes with chronic uveitis that had phacoemulsification with IOL implantation, at a referral uveitis clinic between February 1997 and January 2015 were retrieved and analyzed. Only those eyes with no documented intraoperative complication and no predisposing risks to IOL dislocation, such as pseudoexfoliation, high myopia, trauma, and prior VR surgery were included in this study...
February 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28339073/identification-of-proteins-in-the-aqueous-humor-associated-with-cataract-development-using-itraq-methodology
#2
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...
March 21, 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
#3
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
#4
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/28322828/metabolic-characterization-of-human-aqueous-humor-in-relation-to-high-myopia
#5
Yinghong Ji, Jun Rao, Xianfang Rong, Shang Lou, Zhi Zheng, Yi Lu
High myopia is the common eye disorder worldwide, which may contribute to increase the risk of serious disorders including glaucoma and cataract. Although various studies including genomics, transcriptomics, and proteomics have been implicated to identify potential biomarkers (genes or proteins) for predicting high myopia and to reveal the underlying mechanisms, the comprehensive metabolomics in relation to high myopia is very limited. In this study, we identified 242 metabolites in aqueous humor (AH) from a set of 40 patients (including 20 with high myopia and 20 for controls), using a non-targeted metabolomic technology, gas chromatography coupled to time-of-flight mass spectrometer (GC/TOF MS)...
March 17, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28316192/-effect-of-optical-zone-diameter-on-corneal-biomechanical-properties-after-small-incision-lenticule-extraction
#6
P H Wei, Y Wang, H Li, R Dou, L Y Li, W Zhao, J M Zhang
Objective: To investigate the effect of optical zone diameter on corneal biomechanical properties after small incision lenticule extraction (SMILE). Methods: In this prospective case-control study, 62 eyes of 42 patients with myopia and myopic astigmatism that had undergone SMILE procedure were divided into 2 groups according to the optical zone (OZ) diameter: group A, 31 eyes of 19 patients, OZ= 6.5 mm; group B, 31eyes of 23 patients, OZ=6.0 mm. These patients were examined for corneal hysteresis (CH) and corneal resistance factor (CRF) with the Ocular Response Analyzer (ORA) preoperatively and at 1 week, 1 month and 3 months postoperatively; at the same time, the central corneal thickness-corrected indices of DifCH and DifCRF were calculated...
March 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28306346/risk-factors-for-central-serous-chorioretinopathy-multivariate-approach-in-a-case-control-study
#7
Irini Chatziralli, Stamatina A Kabanarou, Efstratios Parikakis, Alexandros Chatzirallis, Tina Xirou, Panagiotis Mitropoulos
PURPOSE: The purpose of this prospective study was to investigate the potential risk factors associated independently with central serous retinopathy (CSR) in a Greek population, using multivariate approach. MATERIALS AND METHODS: Participants in the study were 183 consecutive patients diagnosed with CSR and 183 controls, matched for age. All participants underwent complete ophthalmological examination and information regarding their sociodemographic, clinical, medical and ophthalmological history were recorded, so as to assess potential risk factors for CSR...
March 17, 2017: Current Eye Research
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
#8
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/28297031/subfoveal-choroidal-vascularity-in-myopia-evidence-from-spectral-domain-optical-coherence-tomography
#9
Rayan A Alshareef, Mohammed K Khuthaila, Abhilash Goud, Kiran Kumar Vupparaboina, Soumya Jana, Jay Chhablani
BACKGROUND AND OBJECTIVE: To evaluate subfoveal choroidal vascularity in eyes with myopia in comparison to age-matched healthy subjects. PATIENTS AND METHODS: Retrospective analysis of single foveal enhanced depth imaging optical coherence tomography (EDI-OCT) scans of 30 eyes with myopia (axial length greater than 25 mm). Subfoveal choroidal vascularity was evaluated by calculating vessel-area-to-stromal-area ratio using a previously validated automated algorithm...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28296722/design-methodology-and-baseline-data-of-the-personalized-addition-lenses-clinical-trial-pact
#10
RANDOMIZED CONTROLLED TRIAL
Xinping Yu, Binjun Zhang, Jinhua Bao, Junxiao Zhang, Ge Wu, Jinling Xu, Jingwei Zheng, Björn Drobe, Hao Chen
BACKGROUND: The aim of this study was to describe the design, methods, and baseline characteristics of children enrolled in the Personalized Addition lenses Clinical Trial (PACT). PACT aims to test the myopia control efficacy of progressive addition lenses (PALs) with personalized addition values compared with standard (+2.00 D) addition PALs and single vision lenses (SVLs). METHODS: PACT is a randomized, controlled, double-masked clinical trial. Two hundred eleven myopic Chinese children (7-12 years) were enrolled and randomized into 1 of the 3 following groups: personalized addition PALs; +2...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28293434/visual-motor-and-perceptual-task-performance-in-astigmatic-students
#11
Erin M Harvey, J Daniel Twelker, Joseph M Miller, Tina K Leonard-Green, Kathleen M Mohan, Amy L Davis, Irene Campus
Purpose. To determine if spectacle corrected and uncorrected astigmats show reduced performance on visual motor and perceptual tasks. Methods. Third through 8th grade students were assigned to the low refractive error control group (astigmatism < 1.00 D, myopia < 0.75 D, hyperopia < 2.50 D, and anisometropia < 1.50 D) or bilateral astigmatism group (right and left eye ≥ 1.00 D) based on cycloplegic refraction. Students completed the Beery-Buktenica Developmental Test of Visual Motor Integration (VMI) and Visual Perception (VMIp)...
2017: Journal of Ophthalmology
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
#12
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
https://www.readbyqxmd.com/read/28256400/amphiregulin-antibody-and-reduction-of-axial-elongation-in-experimental-myopia
#13
Wen Jun Jiang, Hui Xin Song, Shao Yu Li, Bin Guo, Jian Feng Wu, Guo Ping Li, Da Dong Guo, De Long Shi, Hong Sheng Bi, Jost B Jonas
To examine the mechanism of ocular axial elongation in myopia, guinea pigs (age: 2-3weeks) which either underwent unilateral or bilateral lens-induced myopization (group 1) or which were primarily myopic at baseline (group 2) received unilateral intraocular injections of amphiregulin antibody (doses: 5, 10, or 15μg) three times in intervals of 9days. A third group of emmetropic guinea pigs got intraocular unilateral injections of amphiregulin (doses: 0.25, 0.50 or 1.00ng, respectively). In each group, the contralateral eyes received intraocular injections of Ringer's solution...
February 23, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28253404/protective-role-of-orthokeratology-in-reducing-risk-of-rapid-axial-elongation-a-reanalysis-of-data-from-the-romio-and-to-see-studies
#14
Pauline Cho, Sin-Wan Cheung
Purpose: To determine the relative risk of rapid progression and number needed to treat (NNT) in younger and older children using combined data from the retardation of myopia in orthokeratology (ROMIO) and toric orthokeratology-slowing eye elongation (TO-SEE) studies. Methods: Data from 136 subjects of two studies, ROMIO and TO-SEE, were retrieved (72 orthokeratology [ortho-k]: 37 ROMIO, 35 TO-SEE; 64 control: 41 ROMIO, 23 TO-SEE) and the myopia control effect on younger (6-8 years) and older (9-12 years) subjects evaluated...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28251836/time-spent-in-outdoor-activities-in-relation-to-myopia-prevention-and-control-a-meta-analysis-and-systematic-review
#15
REVIEW
Shuyu Xiong, Padmaja Sankaridurg, Thomas Naduvilath, Jiajie Zang, Haidong Zou, Jianfeng Zhu, Minzhi Lv, Xiangui He, Xun Xu
Outdoor time is considered to reduce the risk of developing myopia. The purpose is to evaluate the evidence for association between time outdoors and (1) risk of onset of myopia (incident/prevalent myopia); (2) risk of a myopic shift in refractive error and c) risk of progression in myopes only. A systematic review followed by a meta-analysis and a dose-response analysis of relevant evidence from literature was conducted. PubMed, EMBASE and the Cochrane Library were searched for relevant papers. Of the 51 articles with relevant data, 25 were included in the meta-analysis and dose-response analysis...
March 2, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28218219/reduced-macular-vascular-density-in-myopic-eyes
#16
Hua Fan, Hao-Yu Chen, Hong-Jie Ma, Zheng Chang, Hai-Quan Yin, Danny Siu-Chun Ng, Carol Y Cheung, Shan Hu, Xiang Xiang, Shi-Bo Tang, Shuang-Nong Li
BACKGROUND: Morphological changes of the vasculature system in patients with myopia have been observed by Doppler ultrasound and fundus fluorescein angiography (FFA); however, these studies have limitations. Doppler ultrasound provides low-resolution images which are mainly obtained from visualized large vessels, and FFA is an invasive examination. Optic coherence tomography (OCT) angiography is a noninvasive, high-resolution measurement for vascular density. The purpose of this study was to investigate the change of vascular density in myopic eyes using OCT angiography...
February 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28212157/current-approaches-to-myopia-control
#17
Seo Wei Leo
PURPOSE OF REVIEW: Myopia is a global problem, being particularly prevalent in the urban areas of east and southeast Asia. In addition to the direct economic and social burdens, associated ocular complications may lead to substantial vision loss. With prevalence of myopia above 80% and high myopia over 20%, it is crucial to control myopia. The aim of this review to is provide an update on the interventions to slow the onset of myopia and retard its progression. RECENT FINDINGS: The epidemic of myopia is characterized by increasingly early onset, combined with high myopia progression rates...
February 15, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28209502/detailed-phenotyping-and-characterization-of-choroidal-morphological-and-vascular-features-in-young-men-with-high-myopia-using-spectral-domain-optical-coherence-tomography
#18
Preeti Gupta, Sri Gowtham Thakku, Seang-Mei Saw, Mellisa Tan, Edmund Lim, Marcus Tan, Chui Ming Gemmy Cheung, Tien-Yin Wong, Ching-Yu Cheng
PURPOSE: To describe detailed morphological and vascular features of the choroid in eyes with high myopia. DESIGN: Cross-sectional study. METHODS: 515 eyes of young men (mean age 21.59±1.15) years) with high myopia (defined as -6.0 D or worse, mean spherical equivalent -8.66±2.00 D) and 88 controls with emmetropia in both eyes underwent choroidal imaging using spectral domain optical coherence tomography with enhanced depth imaging (EDI-OCT)...
February 13, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28197998/laser-assisted-subepithelial-keratectomy-lasek-versus-laser-assisted-in-situ-keratomileusis-lasik-for-correcting-myopia
#19
REVIEW
Jocelyn Kuryan, Anjum Cheema, Roy S Chuck
BACKGROUND: Near-sightedness, or myopia, is a condition in which light rays entering the eye along the visual axis focus in front of the retina, resulting in blurred vision. Myopia can be treated with spectacles, contact lenses, or refractive surgery. Options for refractive surgery include laser-assisted subepithelial keratectomy (LASEK) and laser-assisted in-situ keratomileusis (LASIK). Both procedures utilize a laser to shape the corneal tissue (front of the eye) to correct refractive error, and both create flaps before laser treatment of corneal stromal tissue...
February 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28166436/interventions-to-reduce-myopia-progression-in-children
#20
Su Ann Tay, Sonal Farzavandi, Donald Tan
Efforts to reduce the progression of myopia in childhood are on the rise, due to an increasing incidence of myopia worldwide and its associated sight-threatening complications. Interventions are aimed at reducing myopia in childhood and include environmental considerations, spectacles, contact lenses, and pharmacological agents. We reviewed recent literature with interventions aimed at reducing myopia progression in children and found that a number of interventions were significant in reducing the progression of myopia...
March 2017: Strabismus
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