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https://www.readbyqxmd.com/read/28915835/macular-retinal-and-choroidal-thickness-in-unilateral-amblyopia-using-swept-source-optical-coherence-tomography
#1
Syunsuke Araki, Atsushi Miki, Katsutoshi Goto, Tsutomu Yamashita, Go Takizawa, Kazuko Haruishi, Yoshiaki Ieki, Junichi Kiryu, Kiyoshi Yaoeda
BACKGROUND: To investigate macular retinal and choroidal thickness in amblyopic eyes compared to that in fellow and normal eyes using swept-source optical coherence tomography (SS-OCT). METHODS: This study examined 31 patients with hyperopic anisometropic amblyopia (6.9 ± 3.8 years, mean ± standard deviation), 15 patients with strabismic amblyopia without anisometropia (7.9 ± 4.2 years), and 24 age-matched controls (7.8 ± 3.3 years). Retinal and choroidal thickness was measured by 3D scans using SS-OCT...
September 15, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28913609/modulation-of-the-emotional-response-to-viewing-strabismic-children-in-mothers-measured-by-fmri
#2
J Berberat, M Montali, P Gruber, A Pircher, M Hlavica, F Wang, H P Killer, L Remonda
PURPOSE: Strabismus influences not only the individual with nonparallel eyes but also the observer. It has previously been demonstrated by fMRI that adults viewing images of strabismic adults have a negative reaction to the images as demonstrated by limbic activation, especially activation of the left amygdala. The aim of this study was to see if mothers would have a similar reaction to viewing strabismic children and whether or not that reaction would be different in mothers of strabismic children...
September 14, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28814414/amblyopia-and-strabismus-trends-in-prevalence-and-risk-factors-among-young-adults-in-israel
#3
Yinon Shapira, Yossy Machluf, Michael Mimouni, Yoram Chaiter, Eedy Mezer
AIMS: To estimate the prevalence of amblyopia, present strabismus and amblyopia risk factors (ARFs) among young adults in Israel and to analyse trends over time of prevalence rates. METHODS: We conducted a cross-sectional study including 107 608 pre-enlistees aged 17.4±0.6 years born between 1971 and 1994. Across the birth years, the following trends of prevalence rates among young adults were analysed: prevalence of amblyopia, prevalence of strabismus, severity of amblyopia and prevalence of ARFs (strabismsus, anisometropia and isoametropia)...
August 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28744253/novel-eye-movement-disorders-in-whipple-s-disease-staircase-horizontal-saccades-gaze-evoked-nystagmus-and-esotropia
#4
Aasef G Shaikh, Fatema F Ghasia
Whipple's disease, a rare systemic infectious disorder, is complicated by the involvement of the central nervous system in about 5% of cases. Oscillations of the eyes and the jaw, called oculo-masticatory myorhythmia, are pathognomonic of the central nervous system involvement but are often absent. Typical manifestations of the central nervous system Whipple's disease are cognitive impairment, parkinsonism mimicking progressive supranuclear palsy with vertical saccade slowing, and up-gaze range limitation. We describe a unique patient with the central nervous system Whipple's disease who had typical features, including parkinsonism, cognitive impairment, and up-gaze limitation; but also had diplopia, esotropia with mild horizontal (abduction more than adduction) limitation, and vertigo...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28724818/to-assess-knowledge-and-attitude-of-parents-toward-children-suffering-from-strabismus-in-indian-subcontinent
#5
Anirudh Singh, Vipin Rana, Sagarika Patyal, Santosh Kumar, Sanjay K Mishra, Vijay K Sharma
PURPOSE: Strabismus and anisometropia are the most common causes of amblyopia. It can be easily prevented or treated if detected early. With the changing socio-cultural-economic milieu of the society, the perspectives of strabismus in society are gradually changing but still adequate knowledge, awareness, and attitude of parents toward strabismus will help in preventing amblyopia and aid in the proper psychosocial adaptation of such children. This study aimed to assess knowledge and attitude of parents toward children suffering from strabismus...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28721007/comparative-electrophysiological-responses-in-anisometropic-and-strabismic-amblyopic-children
#6
Luiz Cláudio Santos de Souza Lima, Adalmir Morterá Dantas, Guilherme Herzog Neto, Eduardo França Damasceno, Helena Parente Solari, Marcelo Palis Ventura
PURPOSE: To compare anisometropic hypermetropic amblyopic and strabismic amblyopic responses to pattern electroretinogram (PERG) and pattern visual evocated potential (PVEP). MATERIALS AND METHODS: Fifty-six patients - 18 hypermetropic anisometropic amblyopic children (mean age 9.70±2.5 years), 19 strabismic amblyopic children (mean age 10.30±2.6 years) and 19 normal emetropic subjects (mean age 10.10±2.2 years) - were enrolled in this study. After routine ophthalmic examination, PERG and PVEP were recorded in response to checks reversed at the rate of two reversals/second stimulating macular area...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28692503/acquired-adult-onset-cyclic-esotropia-in-patients-with-myopic-strabismus-fixus-and-intraocular-lens-implantation
#7
Jianhua Yan, Yun Wen
PURPOSE/BACKGROUND: Cyclic esotropia is a rare condition that mostly occurs in children, characterized by patterns of straight and strabismic days with a regular cycle of 24 to 96 hours. In this report, 2 patients of cyclic esotropia in adults who showed a regular 48-hour cycle of mild deviation on 1 day followed by a more severe deviation on the second day are presented. METHODS: Clinical reports, clinical features, imaging findings, and surgical outcomes are presented...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28666773/cyclocheck-a-new-web-based-software-for-the-assessment-of-objective-cyclodeviation
#8
Justyna Simiera, Piotr Loba
PURPOSE: To present a novel, free, web-based software tool (www.cyclocheck.com) for the assessment of objective cyclodeviation, based on measuring the disk-foveal angle (DFA) and to evaluate reproducibility of the results. METHODS: Digital fundus photographs of both eyes of all study subjects were obtained using DRS CenterVue nonmydriatic fundus camera. Four separate measurements were made for each eye, and the DFA was calculated using Cyclocheck software independently by two observers to determine reproducibility and repeatability of the technique...
June 28, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28636173/patient-reported-outcome-measures-in-amblyopia-and-strabismus-a-systematic-review
#9
REVIEW
Sheela E Kumaran, Jyoti Khadka, Rod Baker, Konrad Pesudovs
BACKGROUND: Many patient-reported outcome measures (PROMs) have been developed and/or used to measure the impact of amblyopia and strabismus on quality of life (QoL). Identifying the one with superior quality is important for evaluating the effectiveness of novel therapy for amblyopia and for directing improved clinical decision-making in adults considering strabismic surgery. Therefore, the aim of this review is to identify all PROMs previously developed/used to study the impact of amblyopia and/or strabismus on QoL and to appraise the quality and comprehensiveness of content of the disease-specific instruments...
June 21, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/28614556/binocular-therapy-for-childhood-amblyopia-improves-vision-without-breaking-interocular-suppression
#10
Manuela Bossi, Vijay K Tailor, Elaine J Anderson, Peter J Bex, John A Greenwood, Annegret Dahlmann-Noor, Steven C Dakin
Purpose: Amblyopia is a common developmental visual impairment characterized by a substantial difference in acuity between the two eyes. Current monocular treatments, which promote use of the affected eye by occluding or blurring the fellow eye, improve acuity, but are hindered by poor compliance. Recently developed binocular treatments can produce rapid gains in visual function, thought to be as a result of reduced interocular suppression. We set out to develop an effective home-based binocular treatment system for amblyopia that would engage high levels of compliance but that would also allow us to assess the role of suppression in children's response to binocular treatment...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28599912/efficacy-of-vision-therapy-in-children-with-learning-disability-and-associated-binocular-vision-anomalies
#11
Jameel Rizwana Hussaindeen, Prerana Shah, Krishna Kumar Ramani, Lalitha Ramanujan
PURPOSE: To report the frequency of binocular vision (BV) anomalies in children with specific learning disorders (SLD) and to assess the efficacy of vision therapy (VT) in children with a non-strabismic binocular vision anomaly (NSBVA). METHODS: The study was carried out at a centre for learning disability (LD). Comprehensive eye examination and binocular vision assessment was carried out for 94 children (mean (SD) age: 15 (2.2) years) diagnosed with specific learning disorder...
June 6, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28532347/strabismus-and-the-oculomotor-system-insights-from-macaque-models
#12
Vallabh E Das
Disrupting binocular vision in infancy leads to strabismus and oftentimes to a variety of associated visual sensory deficits and oculomotor abnormalities. Investigation of this disorder has been aided by the development of various animal models, each of which has advantages and disadvantages. In comparison to studies of binocular visual responses in cortical structures, investigations of neural oculomotor structures that mediate the misalignment and abnormalities of eye movements have been more recent, and these studies have shown that different brain areas are intimately involved in driving several aspects of the strabismic condition, including horizontal misalignment, dissociated deviations, A and V patterns of strabismus, disconjugate eye movements, nystagmus, and fixation switch...
October 14, 2016: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28515427/pediatric-vision-screening-using-the-plusoptix-a12c-photoscreener-in-chinese-preschool-children-aged-3-to-4-years
#13
Dan Huang, Xuejuan Chen, Xiaohan Zhang, Yue Wang, Hui Zhu, Hui Ding, Jing Bai, Ji Chen, Zhujun Fu, Zijin Wang, Hu Liu
This study evaluated the performance of plusoptiX A12C in detecting amblyopia risk factors (ARFs) in Chinese children aged 3-to-4-year. PlusoptiX examination was successfully conducted among 1,766 subjects without cycloplegia to detect refractive error, asymmetry and media opacity. Cycloplegic retinoscopy (CR) was conducted on 357 children suspected of having vision abnormalities. Statistical differences between CR and the device were confirmed using the mean spherical value (+1.41 ± 0.87 D versus +1.14 ± 0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28501447/comparison-of-quantitative-measurement-of-foveal-avascular-zone-and-macular-vessel-density-in-eyes-of-children-with-amblyopia-and-healthy-controls-an-optical-coherence-tomography-angiography-study
#14
Ihsan Yilmaz, Osman Bulut Ocak, Basak Saracoglu Yilmaz, Aslı Inal, Birsen Gokyigit, Muhittin Taskapili
PURPOSE: To quantify vessel density of superficial capillary plexus (SCP), deep capillary plexus (DCP), and the foveal avascular zone (FAZ) of children's amblyopic eyes and to compare the measurements with those of companion eyes and age-matched controls. METHODS: Fifteen patients with strabismic amblyopia, and 15 age-matched controls were included in this cross-sectional study. SCP, DCP, and FAZ were measured via optical coherence tomographic angiography (OCTA)...
May 10, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28484381/impaired-activation-of-visual-attention-network-for-motion-salience-is-accompanied-by-reduced-functional-connectivity-between-frontal-eye-fields-and-visual-cortex-in-strabismic-amblyopia
#15
Hao Wang, Sheila G Crewther, Minglong Liang, Robin Laycock, Tao Yu, Bonnie Alexander, David P Crewther, Jian Wang, Zhengqin Yin
Strabismic amblyopia is now acknowledged to be more than a simple loss of acuity and to involve alterations in visually driven attention, though whether this applies to both stimulus-driven and goal-directed attention has not been explored. Hence we investigated monocular threshold performance during a motion salience-driven attention task involving detection of a coherent dot motion target in one of four quadrants in adult controls and those with strabismic amblyopia. Psychophysical motion thresholds were impaired for the strabismic amblyopic eye, requiring longer inspection time and consequently slower target speed for detection compared to the fellow eye or control eyes...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28463606/decreased-binocular-summation-in-strabismic-amblyopes-and-effect-of-strabismus-surgery
#16
Melinda Y Chang, Joseph L Demer, Sherwin J Isenberg, Federico G Velez, Stacy L Pineles
PURPOSE: Binocular summation (BiS) occurs when binocular visual function surpasses that of the better eye alone. We sought to evaluate whether strabismic amblyopia reduces BiS more than strabismus alone, and determine whether BiS improves in strabismic amblyopes after strabismus surgery. METHODS: We prospectively recruited 15 patients with strabismic amblyopia who then underwent strabismus surgery. Thirty age-matched normal subjects and 30 non-amblyopic strabismic patients served as controls...
May 2, 2017: Strabismus
https://www.readbyqxmd.com/read/28463578/comparison-of-naso-temporal-asymmetry-during-monocular-smooth-pursuit-optokinetic-nystagmus-and-ocular-following-response-in-strabismic-monkeys
#17
Anand C Joshi, Mehmet N Agaoglu, Vallabh E Das
PURPOSE: Under monocular viewing conditions, humans and monkeys with infantile strabismus exhibit asymmetric naso-temporal (N-T) responses to motion stimuli. The goal of this study was to compare and contrast these N-T asymmetries during 3 visually mediated eye tracking tasks-optokinetic nystagmus (OKN), smooth pursuit (SP) response, and ocular following responses (OFR). METHODS: Two adult strabismic monkeys were tested under monocular viewing conditions during OKN, SP, or OFR stimulation...
May 2, 2017: Strabismus
https://www.readbyqxmd.com/read/28384899/health-related-quality-of-life-hrqol-in-young-adults-with-strabismus-in-india
#18
Surendra P Sah, Indra P Sharma, Monica Chaudhry, Mousumi Saikia
INTRODUCTION: Strabismus has negative psycho-social and functional effects in adults. The impact can be minimised with surgery. However, in a low-income setting, it is important to evaluate the level of impact and prioritise the target population for intervention. The Adult Strabismus (AS-20) questionnaire is a reliable tool for assessment of Health-Related Quality of Life (HRQoL) in strabismic adults. AIM: To assess the HRQoL in young adults with manifest strabismus through psychosocial and functional scores according to gender and direction of deviation using the AS-20 questionnaire...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28341991/altered-interhemispheric-functional-connectivity-in-patients-with-anisometropic-and-strabismic-amblyopia-a-resting-state-fmri-study
#19
Minglong Liang, Bing Xie, Hong Yang, Xuntao Yin, Hao Wang, Longhua Yu, Sheng He, Jian Wang
PURPOSE: Altered brain functional connectivity has been reported in patients with amblyopia by recent neuroimaging studies. However, relatively little is known about the alterations in interhemispheric functional connectivity in amblyopia. The present study aimed to investigate the functional connectivity patterns between homotopic regions across hemispheres in patients with anisometropic and strabismic amblyopia under resting state. METHODS: Nineteen monocular anisometropic amblyopia (AA), 18 strabismic amblyopia (SA), and 20 normal-sight controls (NC) were enrolled in this study...
March 24, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28291195/-optic-nerve-pathology-in-the-structure-of-diagnostic-errors-inpatients-referred-for-cataract-surgery
#20
V V Egorov, N V Savchenko, E L Sorokin, O V Danilov
AIM: to study the frequency of misdiagnosis of cataract in patients with optic nerve pathology or amblyopia and to identify its main causes. MATERIAL AND METHODS: The study enrolled 381 patients (381 eyes) wrongly diagnosed with cataract. A standard set of eye tests was performed. In-depth examination of the macular area was done through biomicroscopy with contactless aspheric lenses of 60 and 90 D. Part of the patients underwent optical coherence tomography and static perimetry as well as examination of electrical sensitivity threshold and electrical lability of the optic nerve...
2017: Vestnik Oftalmologii
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