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https://www.readbyqxmd.com/read/28820929/the-use-of-electronic-devices-for-the-treatment-of-amblyopia
#1
EDITORIAL
Rudolph S Wagner
No abstract text is available yet for this article.
July 1, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28820159/surgical-treatment-of-superior-oblique-palsy-predictors-of-outcome
#2
Pilar Merino Sanz, José Escribano, Pilar Gómez de Liaño, Rubén Yela
PURPOSE: The purpose of this study was to evaluate the incidence and outcome of surgically treated superior oblique palsy (SOP) and the factors involved in its resolution. METHODS: We performed a retrospective study of 76 patients who underwent surgery for SOP. We recorded data from the physical examination and the number and type of procedures performed. Favorable outcome was defined as resolution of or improvement in torticollis (≤5°) and diplopia in primary position (PP) and downgaze or as vertical deviation (VD) <5 prism diopters (pd) in PP and 10 pd in the oblique diagnostic position...
August 2017: Indian Journal of Ophthalmology
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/28808579/a-novel-bbs10-mutation-identified-in-a-patient-with-bardet-biedl-syndrome-with-a-violent-emotional-outbreak
#4
Tatsuyuki Ohto, Takashi Enokizono, Ryuta Tanaka, Mai Tanaka, Hisato Suzuki, Aiko Sakai, Kazuo Imagawa, Hiroko Fukushima, Takashi Fukushima, Ryo Sumazaki, Tomoko Uehara, Toshiki Takenouchi, Kenjiro Kosaki
We report a 10-year-old girl with Bardet-Biedl syndrome caused by a novel mutation in the Bardet-Biedl syndrome 10 (BBS10) gene. She had multiple malformations, including a dysmorphic face, postaxial polydactyly, polycystic kidney and amblyopia. She presented with typical BBS features, including intellectual disability with emotional outbursts and mild obesity. Whole-exome sequencing identified compound heterozygous mutations with NM_024685.3:c.1677C>A [p.(Tyr559*)] and c.1974T>G [p.(Tyr658*)]. To our knowledge, the latter mutation has never been reported previously...
2017: Human Genome Variation
https://www.readbyqxmd.com/read/28806400/changes-in-the-anterior-segment-after-cycloplegia-with-a-biometer-using-swept-source-optical-coherence-tomography
#5
Tomoaki Higashiyama, Maki Iwasa, Masahito Ohji
The aim of this study was to investigate changes in the anterior segment of the eye after cycloplegia. A biometer combined with swept-source optical coherence tomography (SSOCT) was used for measurements. Patients with strabismus or amblyopia who underwent cycloplegia were included. The axial length, central corneal thickness, anterior chamber depth, and lens thickness were measured with the biometer-SSOCT system before and after cycloplegia. Altogether, 10 eyes of 10 patients (mean age 7.20 ± 3.08 years, range 4-14 years) were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28800339/perceptual-learning-improves-contrast-sensitivity-visual-acuity-and-foveal-crowding-in-amblyopia
#6
Michele Barollo, Giulio Contemori, Luca Battaglini, Andrea Pavan, Clara Casco
BACKGROUND: Amblyopic observers present abnormal spatial interactions between a low-contrast sinusoidal target and high-contrast collinear flankers. It has been demonstrated that perceptual learning (PL) can modulate these low-level lateral interactions, resulting in improved visual acuity and contrast sensitivity. OBJECTIVE: We measured the extent and duration of generalization effects to various spatial tasks (i.e., visual acuity, Vernier acuity, and foveal crowding) through PL on the target's contrast detection...
August 11, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28774525/v4b-implantable-collamer-lens-versus-intacs-corneal-rings-to-manage-anisometropic-myopic-amblyopia-in-children
#7
Sherif Ahmed Eissa, Mohamed Wagih El-Deeb, Mahmoud Salah Hendawi
OBJECTIVE: To compare the safety and efficacy of phakic intraocular lens (PIOL) versus intrastromal corneal ring segments (Intacs), for correcting high myopic anisometropia in amblyopic children. DESIGN: Nonrandomized prospective multi-center study. PARTICIPANTS: Thirty children, aged between 4 and 12 years, with unilateral high myopic anisometropic amblyopia were included in this study. METHODS: Patients who were prospectively subdivided into group A, with mean preoperative manifest refraction spherical equivalent (MRSE) of -12...
August 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28774524/clinical-profiles-and-surgical-outcomes-of-adult-esotropia
#8
Mikel Mikhail, Michael Flanders
OBJECTIVE: The aim of this study was to describe the clinical features and surgical outcomes of teenage and adult patients with esotropia undergoing strabismus surgery with adjustable sutures. METHODS: Seventy-three patients were included in this retrospective, cohort study. Patients were stratified into group 1 (35 with childhood-onset esotropia [CET]) and group 2 (38 with adult-onset esophoria-tropia [EPT]). Preoperative immediate, 2-week, and 4-6-month postoperative measurements of ocular alignment, as well as fusional testing, were performed...
August 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28771067/is-the-15%C3%A2-base-in-prism-test-reliable-for-detection-of-amblyopia-in-anisometropic-patients
#9
F Burggraaf, M C Verkaik-Rijneveld, R J Wubbels, E de Jongh
PURPOSE: The 15∆ base in prism test (15∆BIPT) introduced by Gobin is often used in The Netherlands to detect fixation preference, especially in young and preverbal children in whom a reliable measurement of the visual acuity (VA) is difficult. It is assumed that the fixation preference detected by the 15∆BIPT can be used to predict the presence of amblyopia. The aim of this retrospective case note review was to investigate the accuracy of the 15∆BIPT in detection of amblyopia in anisometropic patients...
August 3, 2017: Strabismus
https://www.readbyqxmd.com/read/28762040/case-update-on-cranial-osteopetrosis-which-is-the-role-of-the-neurosurgeon
#10
Irene Stella, Matthieu Vinchon, Pierre Guerreschi, Eva De Berranger, Ikram Bouacha
PURPOSE: Osteopetrosis (OP) is a rare skeletal disease, which can affect the skull base and calvaria. A multidisciplinary approach is mandatory and patient may need neurosurgical care. Few observations have been published, and optimal management of OP is not established yet. METHOD: We report a case of an infant with OP diagnosed at 5 months, who presented signs of intracranial hypertension associated with unilateral blindness. Bone marrow allograft was performed at 6 months of age...
July 31, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28760867/asymmetric-dichoptic-masking-in-visual-cortex-of-amblyopic-macaque-monkeys
#11
Christopher Shooner, Luke E Hallum, Romesh D Kumbhani, Virginia García-Marín, Jenna G Kelly, Najib J Majaj, J Anthony Movshon, Lynne Kiorpes
In amblyopia, abnormal visual experience leads to an extreme form of eye dominance, in which vision through the non-dominant eye is degraded. A key aspect of this disorder is perceptual suppression: The image seen by the stronger eye often dominates during binocular viewing, blocking the weaker eye's image from reaching awareness. Interocular suppression is the focus of ongoing work aimed at understanding and treating amblyopia, yet its physiological basis remains unknown. We measured binocular interactions in visual cortex of anesthetized amblyopic monkeys (female Macaca nemestrina), using 96-channel 'Utah' arrays to record from populations of neurons in V1 and V2...
July 31, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28757690/prognostic-preoperative-factors-for-successful-outcome-of-surgery-in-horizontal-strabismus
#12
Namita Kumari, Abadan Khan Amitava, Mohammad Ashraf, Shivani Grover, Ashiya Khan, Prabha Sonwani
CONTEXT: Surgery for horizontal strabismus reportedly has a success rate of 60%-80%. However, which preoperative factors are predictive of this success is not clear. AIMS: To identify prognostic factors those are predictive of successful outcome in horizontal strabismus surgery. SETTINGS AND DESIGN: Observational analytical study using multiple logistic regression (MLR). SUBJECTS AND METHODS: We assessed the medical records of patients who had undergone first-time horizontal muscle strabismus surgery between 2002 and 2013, where complete follow-up data were available for ≥6 weeks, and also, we collected data prospectively on patients operated between January 2014 and September 2015...
May 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28756763/the-effect-of-omitting-an-early-population-based-vision-screen-in-the-netherlands-a-micro-simulation-model-approach
#13
F Sloot, Eam Heijnsdijk, J H Groenewoud, F Goudsmit, E W Steyerberg, H J de Koning, H J Simonsz
Objective To estimate the effect of omitting an individual screen from a child vision screening programme on the detection of amblyopia in the Netherlands. A previous study (Rotterdam Amblyopia Screening Effectiveness Study) suggested that the three screens carried out between 6 and 24 months contributed little. Methods We developed a micro-simulation model that approximated the birth-cohort data from the previous study, in which 2964 children had completed follow-up at age 7, and 100 amblyopia cases were detected...
September 2017: Journal of Medical Screening
https://www.readbyqxmd.com/read/28751980/a-meta-analysis-of-choroidal-thickness-changes-in-unilateral-amblyopia
#14
REVIEW
Yanli Liu, Yi Dong, Kanxing Zhao
PURPOSE: To date, the topic of amblyopic changes remains controversial. Therefore, a systematic review and meta-analysis were carried out to evaluate choroidal changes in unilateral amblyopia. METHODS: Major literature databases were searched for amblyopia-relevant studies. Using enhanced depth imaging optical coherence tomography (EDI-OCT), the primary outcome parameters examined were subfoveal choroidal thickness (SFCT) and different choroidal thickness (CT) positions...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28743725/altered-balance-of-receptive-field-excitation-and-suppression-in-visual-cortex-of-amblyopic-macaque-monkeys
#15
Luke E Hallum, Christopher Shooner, Romesh D Kumbhani, Jenna G Kelly, Virginia García-Marín, Najib J Majaj, J Anthony Movshon, Lynne Kiorpes
In amblyopia, a visual disorder caused by abnormal visual experience during development, the amblyopic eye loses visual sensitivity while the other (fellow) eye is largely unaffected. Binocular vision in amblyopes is often disrupted by interocular suppression. We used 96-electrode arrays to record neurons and neuronal groups in areas V1 and V2 of 6 female monkeys (Macaca nemestrina) made amblyopic by artificial strabismus or anisometropia in early life, as well as 2 visually normal female monkeys (Macaca nemestrina)...
July 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28736224/dichoptic-training-in-adults-with-amblyopia-additional-stereoacuity-gains-over-monocular-training
#16
Xiang-Yun Liu, Jun-Yun Zhang
Dichoptic training is a recent focus of research on perceptual learning in adults with amblyopia, but whether and how dichoptic training is superior to traditional monocular training is unclear. Here we investigated whether dichoptic training could further boost visual acuity and stereoacuity in monocularly well-trained adult amblyopic participants. During dichoptic training the participants used the amblyopic eye to practice a contrast discrimination task, while a band-filtered noise masker was simultaneously presented in the non-amblyopic eye...
July 20, 2017: Vision Research
https://www.readbyqxmd.com/read/28734813/incidence-and-types-of-pediatric-nystagmus
#17
David L Nash, Nancy N Diehl, Brian G Mohney
PURPOSE: To report the incidence, prevalent subtypes and clinical characteristics of pediatric nystagmus diagnosed over a 30-year period. DESIGN: Retrospective, population-based study METHODS: Using the Rochester Epidemiology Project, the medical records of all children (<19 years) diagnosed as residents in Olmsted County, Minnesota with any form of nystagmus from January 1, 1976, through December 31, 2005, were reviewed. RESULTS: Seventy-one children were diagnosed during the 30-year period, yielding an annual incidence of 6...
July 19, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28733687/an-ecologic-study-of-trends-in-the-prevalence-of-myopia-in-chinese-adults-in-singapore-born-from-the-1920s-to-1980s
#18
Sonoko Sensaki, Charumathi Sabanayagam, Pavan K Verkicharla, Adeola Awodele, Kok Hian Tan, Audrey Chia, Seang Mei Saw
INTRODUCTION: This study aimed to investigate secular trends in the prevalence of myopia over 6 decades (from the 1920s to 1980s) in Chinese adults in Singapore. MATERIALS AND METHODS: Parental myopia prevalence was estimated using a parent-completed questionnaire in paediatric cohorts that included: 1) The Singapore Cohort Of Risk factors for Myopia (SCORM), 2) The Strabismus, Amblyopia and Refractive Error in Singaporean Children (STARS), and 3) The Growing Up in Singapore Towards healthy Outcomes (GUSTO)...
June 2017: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28730116/factors-affecting-residual-exotropia-after-two-muscle-surgery-for-intermittent-exotropia
#19
Shailja Tibrewal, Nishtha Singh, Marazul Islam Bhuiyan, Suma Ganesh
AIM: To study the factors affecting residual exotropia (>10 PD) at 4-6wk postoperative visit following two rectus muscle surgery for intermittent exotropia [bilateral lateral rectus (LR) recession or unilateral recess resect procedure]. METHODS: A retrospective chart review of patients with intermittent exotropia ≤50 PD who underwent two rectus muscle surgery in between Jan. 2011 to Dec. 2013 was performed. Possible factors were compared between patients with residual exotropia (>10 PD) and successful outcome (within 10 PD of orthotropia) at the 4-6wk postoperative visit...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28724818/to-assess-knowledge-and-attitude-of-parents-toward-children-suffering-from-strabismus-in-indian-subcontinent
#20
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
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