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https://www.readbyqxmd.com/read/28220248/-prism-adaptation-test-before-strabismus-surgery-results-of-a-survey-and-literature-review
#1
U Pichler, M Rohleder, O Ehrt
BACKGROUND: Variable preoperative deviations and compensatory mechanisms may cause wrong dosage of strabismus surgery and result in over- or undercorrection. A long-lasting prism adaptation test (PAT) before surgery is supposed to reduce those difficulties and to improve the postoperative results. To date, the use of prism adaptation before surgery has not been systematically examined. METHODS: A total of 15 strabismologists and 28 orthoptists in Austria were interviewed about their approach to prism adaptation in 9 types of strabismus...
February 20, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28182149/anterior-segment-ischemia-after-strabismus-surgery
#2
Emine Seyhan Göçmen, Yonca Atalay, Özlem Evren Kemer, Hikmet Yavuz Sarıkatipoğlu
A 46-year-old male patient was referred to our clinic with complaints of diplopia and esotropia in his right eye that developed after a car accident. The patient had right esotropia in primary position and abduction of the right eye was totally limited. Primary deviation was over 40 prism diopters at near and distance. The patient was diagnosed with sixth nerve palsy and 18 months after trauma, he underwent right medial rectus muscle recession. Ten months after the first operation, full-thickness tendon transposition of the superior and inferior rectus muscles (with Foster suture) was performed...
January 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28092393/surgical-treatment-of-adult-onset-esotropia-characteristics-and-outcomes
#3
Sara F Grace, Kara M Cavuoto, Wei Shi, Hilda Capo
PURPOSE: To describe the characteristics of the strabismus, surgical management, and outcomes of patients who underwent surgery for adult-onset esotropia. METHODS: This was a retrospective case study of patients at an academic tertiary referral center who underwent surgical treatment of esotropia acquired at or after age 18 years. Primary outcome measures were resolution of diplopia in primary position and a deviation of 10 prism diopters or less in primary gaze...
January 13, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28057455/comparison-of-botulinum-toxin-with-surgery-for-the-treatment-of-acute-onset-comitant-esotropia-in-children
#4
Michael J Wan, Iason S Mantagos, Ankoor S Shah, Melanie Kazlas, David G Hunter
PURPOSE: To determine whether botulinum toxin is as effective as strabismus surgery in the treatment of acute-onset, comitant esotropia in children. DESIGN: Retrospective, non-randomized, comparative clinical study. METHODS: Setting: Tertiary care pediatric hospital. STUDY POPULATION: 49 children with acute-onset, comitant esotropia. INTERVENTION: Treatment with either botulinum toxin ("chemodenervation group") or standard incisional strabismus surgery ("surgery group")...
January 2, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28031397/electrical-stimulation-of-superior-colliculus-affects-strabismus-angle-in-monkey-models-for-strabismus
#5
Suraj Upadhyaya, Hui Meng, Vallabh E Das
Disruption of binocular vision during the critical period for development leads to eye misalignment in humans and in monkey models. We have previously suggested that disruption within a vergence circuit could be the neural basis for strabismus. Electrical stimulation in the rostral superior colliculus (rSC) leads to vergence eye movements in normal monkeys. Therefore the purpose of this study was to investigate the effect of SC stimulation on eye misalignment in strabismic monkeys. Electrical stimulation was delivered to 51 sites in the intermediate and deep layers of the SC (400Hz, 0...
December 28, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28018672/acute-acquired-comitant-esotropia-in-adults-is-it-neurologic-or-not
#6
Kadriye Erkan Turan, Tulay Kansu
Objectives. Acute acquired comitant esotropia (AACE) can be a diagnostic challenge for ophthalmologists and neurologists because of its association with neurological pathologies. Our study describes a series of adult patients with AACE of undetermined etiology. Methods. Data on the clinical findings of patients presented with AACE of undetermined etiology with a minimum follow-up of 1 year were retrieved from the medical records and the results analyzed. Results. A series of 9 esotropia cases (age range: 20-43 years) was reviewed...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27977037/a-high-prevalence-of-exotropia-in-patients-with-duane-retraction-syndrome-in-a-tertiary-eye-care-center-in-south-india
#7
Manjushree Bhate, Virender Sachdeva, Ramesh Kekunnaya
PURPOSE: To determine the prevalence and clinical characteristics of patients with Duane retraction syndrome presenting with exotropia in a tertiary eye care center. METHODS: Medical records of 140 patients with Duane retraction syndrome and exotropia (of the total 441 patients with Duane retraction syndrome) seen from 2000 to 2009 were reviewed. Characteristics studied included age at presentation, gender, laterality, manifest primary position, abnormal head posture, ocular motility, and overshoots...
December 8, 2016: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27933481/fixation-preference-test-reliability-for-the-detection-of-amblyopia-in-patients-with-strabismus-and-interexaminer-agreement
#8
Kadriye Erkan Turan, Hande Taylan Sekeroglu, Sevilay Karahan, Ali Sefik Sanac
PURPOSE: The purpose of this study was to analyze the reliability of the fixation preference test (FPT) in the detection of amblyopia, and to determine interexaminer agreement. METHODS: Eighty patients whose visual acuity could be tested objectively and had a horizontal misalignment of more than 10 prism diopters were enrolled. The best corrected visual acuity (BCVA) and orthoptic findings were all recorded. Non-preferred eye in primary position and fixation preference grade were assessed independently by two masked experienced examiners...
December 8, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27826935/modified-krimsky-test-for-irregular-scarred-corneas
#9
Harindersingh Sethi, Mayuresh Naik, Mukesh Joshi
The measurement of the amount and nature of deviation is the essence of diagnostic workup of a patient with strabismus and also has important therapeutic implications while planning the amount of surgery or prescribing therapeutic prisms. Although Krimsky test is a useful method, it cannot be used to measure deviation in patients with scarred and irregular cornea with an anechoic posterior segment making it difficult to see the corneal reflex. We hereby take the opportunity to present a modification of the original Krimsky test which is extremely helpful in determining the deviation in patients with irregular opaque corneas...
November 8, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27820877/longitudinal-evaluation-of-eye-misalignment-and-eye-movements-following-surgical-correction-of-strabismus-in-monkeys
#10
Mythri Pullela, Brittany A Degler, David K Coats, Vallabh E Das
Purpose: Strabismus correction surgery is well documented in both the literature and practice with varying levels of success and permanence. Our goal was to characterize longitudinal changes in eye alignment and eye movements following strabismus correction surgery in a monkey model for developmental strabismus. Methods: We studied two juvenile rhesus monkeys with exotropia previously induced via an optical prism-rearing paradigm in infancy. Eye misalignment was corrected via a resection-recession surgery of the horizontal rectus muscles of one eye...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27800244/effect-of-visual-acuity-on-the-surgical-outcomes-of-secondary-sensory-strabismus
#11
Kadriye Erkan Turan, Hande Taylan Şekeroğlu, Emin Cumhur Şener, Ali Şefik Sanaç
OBJECTIVES: To investigate the outcomes of secondary sensory strabismus surgery and to discuss the effect of visual acuity on success. MATERIALS AND METHODS: The medical records of patients with sensory strabismus who underwent recession-resection on the eye with vision loss were reviewed. Only patients with visual acuity of ≤0.2 in the operated eye were enrolled. Data including age at surgery, visual acuity, etiology of vision loss, preoperative and postoperative deviations, follow-up duration, and surgical outcomes were recorded...
December 2015: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/27783093/the-incidence-of-reoperation-and-related-risk-factors-among-patients-with-infantile-exotropia
#12
Zhale Rajavi, Ali Lashgari, Hamideh Sabbaghi, Narges Behradfar, Mehdi Yaseri
PURPOSE: To determine the incidence and related risk factors of reoperation among patients with infantile exotropia who were operated on at Imam Hossein Medical Center, Tehran, Iran, from 2001 to 2015. METHODS: In this study, 82 children (55 girls and 27 boys) with infantile exotropia were divided into two groups 3 months after their first operation: children with horizontal deviation of 10 prism diopters (PD) or less (n = 64; success group) and those with horizontal deviation greater than 10 PD (n = 18; failure group)...
October 25, 2016: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27771241/botulinum-toxin-for-treatment-of-restrictive-strabismus
#13
Pilar S Merino, Rebeca E Vera, Laura G Mariñas, Pilar S Gómez de Liaño, Jose V Escribano
PURPOSE: To study the types of acquired restrictive strabismus treated in a tertiary hospital and the outcome of treatment with botulinum toxin. METHODS: We performed a 10-year retrospective study of patients with restrictive strabismus aged ≥18 years who were treated with botulinum toxin. Treatment was considered successful if the final vertical deviation was ≤5 PD, horizontal deviation ≤10 PD, with no head turn or diplopia. RESULTS: We included 27 cases (mean age, 61...
October 19, 2016: Journal of Optometry
https://www.readbyqxmd.com/read/27628586/cyclic-esotropia-with-development-of-a-high-accommodative-convergence%C3%A2-to%C3%A2-accommodation-ratio-after-surgery-for-intermittent-exotropia
#14
Xi Wang, Bingjie Chen, Longqian Liu
PURPOSE: To report a patient with cyclic esotropia with a high accommodative convergence to accommodation (AC/A) ratio after surgical correction of intermittent exotropia who was found to have bilateral anomalous medial rectus muscle insertion sites. METHOD: A 5-year-old girl developed intermittent esotropia on alternating days after undergoing bilateral lateral rectus recessions for correction of intermittent exotropia. Alternate prism and cover measurement of ocular alignment and binocular function was assessed on consecutive days...
September 15, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27590120/-effectiveness-of-bilateral-lateral-rectus-resection-for-residual-esotropia-in-dysthyroid-ophthalmopathy
#15
Eric Y Kim, Gill Roper-Hall, Oscar A Cruz
PURPOSE: To report one surgeon's experiences with bilateral lateral rectus resections in dysthyroid ophthalmopathy patients with residual esotropia after initial bilateral medial rectus recession. DESIGN: Retrospective interventional case series evaluating outcomes. METHODS: Medical records for patients with dysthyroid ophthalmopathy who underwent bilateral lateral rectus resections for persistent esotropia by a single surgeon from June 2012 to June 2015 were retrospectively reviewed...
August 30, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27575993/patching-for-diplopia-contraindicated-in-patients-with-brain-injury
#16
Kevin E Houston, A M Barrett
PURPOSE: Patching for double vision is a common palliative treatment for head-trauma patients with acquired strabismus when prisms are not feasible. METHODS: We review literature on spatial neglect and discuss possible effects of monocular occlusion on spatial attention. RESULTS: Patching the left eye has been shown to worsen spatial judgments in some brain-injured patients with left neglect by inhibiting the right superior colliculus further impairing contralateral leftward orienting (the Sprague Effect)...
January 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27537250/double-augmented-vertical-rectus-transposition-for-large-angle-esotropia-due-to-sixth-nerve-palsy
#17
Priyanka Singh, Perumalsamy Vijayalakshmi, Shashikant Shetty, Priyanka Vora, Suresh Kalwaniya
PURPOSE: To study the binocular alignment and ocular motility in patients with large-angle esotropia due to sixth nerve palsy treated with double augmented vertical recti transposition. METHODS: This was a prospective interventional study. Fifteen patients with non-resolving sixth nerve palsy who underwent surgical correction were included in the study. Fourteen patients also underwent an additional medial rectus recession. Two patients with an associated small vertical deviation had a selective augmentation of one vertical rectus muscle...
November 1, 2016: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27532638/comparison-of-surgical-success-for-infantile-esotropia-and-strabismus-associated-with-neurological-impairment
#18
Pinar Bingol Kiziltunc, Huban Atilla, Feyza Çalış, Cem Alay
PURPOSE: Surgery for strabismus associated with neurological impairment is assumed to have unsatisfactory results in comparison with other strabismus cases. The aim of this study is to compare the surgical success rates of infantile esotropia (IE) and strabismus associated with neurological impairment. METHODS: The records of 103 patients that received operations for IE and strabismus associated with neurological impairment between January 1994 and May 2014 were reviewed retrospectively...
September 2016: Strabismus
https://www.readbyqxmd.com/read/27515204/accommodative-spasm-might-influence-surgical-planning-and-outcomes-in-acute-acquired-distance-esotropia-in-myopia
#19
Michela Fresina, Giuseppe Giannaccare, Piera Versura, Emilio C Campos
INTRODUCTION: Acute acquired distance esotropia (AADE) is a poorly understood moderate-angle strabismus, affecting young adult myopes and determining bothersome diplopia. Symptoms can be intermittent in the early stages, becoming constant in long-lasting disease. Symptomatic therapy includes prism correction, while surgery is the only curative treatment. However, the latter is affected by high rate of symptoms recurrence with the frequent need for reoperation. HYPOTHESIS: We hypothesize that AADE could be caused by the increase of the accommodative demand, often secondary to a myopic overcorrection...
September 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27508887/-indication-and-results-of-the-anderson-procedure
#20
M Gräf, B Lorenz
The major goal of extraocular muscle surgery for nystagmus is to reduce the abnormal head turn (AHT) which is caused by an eccentric null zone of the nystagmus. Shifting the null zone to the primary gaze position will eliminate the AHT. The Kestenbaum procedure consists of bilateral recession of the yoke muscles opposite to the AHT, combined with bilateral resection or plication of their antagonists. The Anderson procedure is confined to bilateral recession of the yoke muscles and is therefore less invasive...
October 2016: Klinische Monatsblätter Für Augenheilkunde
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