Narges Tajik, Mohammad Reza Talebnejad, Mojtaba Heydari
INTRODUCTION: This study reevaluates the historical origins of occlusion therapy for amblyopia, focusing on the contributions of the 9th-century Islamic scholar, Ali ibn Sahl ibn Rabban al-Tabari (838-870 CE). METHODS: The investigation delved into al-Tabari's writings, particularly "Firdous al-Hikma," to extract insights into his approach to addressing reduced vision in one eye.Additionally, the study examined subsequent advancements in occlusion therapy by scholars such as Thabit ibn Qurrah and Rhazes, building upon al-Tabari'sfoundational work...
June 14, 2024: Strabismus
Ken Kakeue, Miharu Mihara, Hinano Ataka, Ryoi Tamura, Atsushi Hayashi
Purpose : To assess the correlation between the contribution rates of fusional convergence from the dominant and non-dominant eye and suppression depth and exotropia control. Study design : Cross-sectional prospective study. Methods : The fusional convergence of 25 participants with intermittent exotropia (mean age 10.8 ± 3.4; range 6-18 years) was measured with an eye-tracking system. The contribution rate was defined based on the amplitude of fusional convergence during refusion relative to the exo-deviation angle...
June 9, 2024: Strabismus
Alexandre Reis Silva, Ágata Mota, José Alberto Lemos, Isabel Ribeiro, Renato Correia Barbosa, Ana Rita Viana, Catarina Francisco, Isabel Ferreira, Jorge Breda, Paula Tenedório
Results : The study cohort comprised five patients, each presenting with unilateral high axial myopia and classic clinical features of HES, including large angle esotropia, hypotropia, and restricted abduction and supraduction. All patients displayed evident superotemporal globe prolapse on MRI imaging, corresponding to the downward displacement of the LR muscle and medial shift of the SR muscle.Following the surgical procedure, all patients demonstrated significant improvements in both vertical and horizontal deviations, effectively addressing the primary clinical manifestations of HES...
May 27, 2024: Strabismus
Raíne Borba, Tatiane Freitas, Cláudia Marques, Lucélia Nóbrega, Taciana Higino, Camilla Rocha, Camila V Ventura, Juliana Sallum, Liana O Ventura
Purpose : To assess long-term visual and neurodevelopmental outcomes in children with congenital Zika syndrome (CZS) after strabismus surgery. Methods : A consecutive sample of five children with CZS who underwent strabismus surgery was enrolled. All children underwent a standardized pre- and postoperative protocol including binocular best-corrected visual acuity (BCVA) using the Teller Acuity Cards II (TAC II), ocular alignment, functional vision using the functional vision developmental milestones test (FVDMT), and neurodevelopmental milestone evaluation using the Bayley Scales of Infant Development-Third Edition (BSID-III)...
May 21, 2024: Strabismus
Eric J Kim, Viren K Rana, Andrew Barton, Surya Khatri, Shivani Rana, Jamie Schaefer
INTRODUCTION: The Spiral of Tillaux describes the historically accepted insertion distances of the medial rectus, inferior rectus, lateral rectus, and superior rectus from the limbus: 5.5 mm, 6.5 mm, 6.9 mm, and 7.7 mm, respectively. The corneal diameters are historically accepted to be 11.7 mm horizontally and 10.6 mm vertically in adults. We investigated the variability of the insertion distances of the extraocular rectus muscles from the limbus as well as the corneal diameters using eyes from human cadavers and compared our measurements to these historically accepted measurements...
May 6, 2024: Strabismus
Ana Letícia Fornazieri Darcie, Iara Debert, Rachel Oliveira de Assis Bernardes, Mariana Akemi Matsura Misawa, João Fellipe Bertocco, Mariza Polati
Purpose : To study the incidence of postoperative anti-elevation syndrome in relation to the magnitude of anterior transposition of the inferior oblique. Methods : A retrospective chart review was conducted for all patients submitted to anterior transposition of the inferior oblique from 2000 to 2020. Anti-elevation syndrome was defined as limitation of elevation of the abducting eye, resulting in a secondary upshoot of the contralateral adducting eye. Results : A total of 312 eyes of 170 patients were enrolled in the study...
April 22, 2024: Strabismus
Sanpaporn Uttamapinan, Parnchat Pukrushpan, Worawalun Honglertnapakul
Aim : To determine the effectiveness of the Amblyopia Treatment Chulalongkorn University (ATCU) application in improving compliance to occlusion therapy in amblyopic children. Methods : We developed a smartphone application called Amblyopia Treatment Chulalongkorn University (ATCU), which includes education, patching calendar, mini-games, and notifications, offering caregivers a comprehensive tool to enhance amblyopia treatment adherence through informative content, interactive features, and personalized reminders...
April 8, 2024: Strabismus
Hanadi A Ibrahim, Andre Slim, Dalia El Hadi, Christiane Al-Haddad
PURPOSE: While horizontal strabismus surgery is generally considered to have favorable outcomes, success rates can vary by type of procedure. Our purpose is to compare the long-term outcomes of patients who underwent one-muscle vs. two-muscle horizontal strabismus surgery. METHODS: This is a retrospective study comparing one-muscle to two-muscle strabismus surgery for small to moderate angle horizontal strabismus. Demographic data and eye exam parameters were compared at baseline and postoperatively (6 months up to 6 years)...
April 3, 2024: Strabismus
Subhash Dadeya, Himshikha Aggarwal, Shipra Sharda, Aakanksha Raghuvanshi, Deepanshu Bodwal
INTRODUCTION: To study the rare and unusual causes of monocular elevation deficit. METHODS: Five patients presenting to us with diplopia and elevation deficit were thoroughly examined and were found to have monocular elevation deficit due to rare causes. OBSERVATIONS: All five were found to have different underlying etiologies - iatrogenic, sphenoid wing meningioma, cysticercosis, sarcoidosis and mid brain infarct, and were managed appropriately...
March 22, 2024: Strabismus
Minshu Wang, Jing Liu, Honglei Pang, Juan Bu
PURPOSE: This study is to describe the special clinical and genotypic features of a Chinese family with variant types of Duane retraction syndrome and to present our experience on managing these cases. METHODS: Four individuals from one family were reviewed by ophthalmologic examinations, in which two affected and two unaffected individuals were revealed. MRI scans were performed on the two patients. Relevant gene mutations were screened by the next-generation sequencing technology and confirmed by Sanger sequencing technology...
March 20, 2024: Strabismus
Hinpetch Daungsupawong, Viroj Wiwanitkit
No abstract text is available yet for this article.
June 2024: Strabismus
Himani Pal, Anupam Singh, Sandhya Shrestha, Indar Kumar Sharawat, Prateek Kumar Panda, Barun Kumar
INTRODUCTION: Strabismus surgery under general anesthesia is a common procedure with rare complications in the form of hemorrhage, infection, slipped muscle, lost muscle, scleral perforation, and anterior segment ischemia. We report a unique case of bilateral optic neuritis following squint surgery under general anesthesia in a 15-year-old girl. METHODS: A 15-year-old girl presented with accommodative esotropia with V pattern. She underwent uneventful bilateral inferior oblique recession surgery under general anesthesia with Propofol 60 mg, Atracurium 30 mg, and Fentanyl 70 mcg...
March 17, 2024: Strabismus
Mehmet Serhat Mangan
No abstract text is available yet for this article.
March 2024: Strabismus
Paulo Freitas-da-Costa, Fernando Falcão-Reis, Augusto Magalhães
PURPOSE: Strabismus and Pediatrics Ophthalmology surgeries are pivotal in addressing early-onset visual disorders. An 11-year retrospective study at a tertiary hospital center aimed to elucidate evolving surgical trends, focusing on esotropia cases. METHODS: The surgical records from January 2009 to January 2020 were analyzed according to the baseline diagnosis. Esotropia cases were evaluated based on the patients' deviation types, surgical techniques, and pre-operative characteristics...
February 21, 2024: Strabismus
Sakshi Lalwani, Virender Sachdeva, Ramesh Kekunnaya
PURPOSE: To evaluate the clinical profile of myopic strabismus fixus (MSF) in children and surgical outcomes of silicone band loop myopexy. METHOD: We retrospectively reviewed records of children presenting with MSF who underwent silicone band loop myopexy between January 2008 and December 2020 at a tertiary eye care center. Data concerning demographics, refractive error, axial length, extra-ocular motility, and ocular alignment pre-operatively and post-operatively, intra- and post-operative complications, ocular and systemic associations, were evaluated...
February 21, 2024: Strabismus
Koichiro Tamura, Kenichi Kimoto, Toshiaki Kubota
INTRODUCTION: Progressive esotropia accompanied by restricted abduction and supraduction due to high myopia is known as esotropia fixus with high myopia or heavy eye syndrome (HES). Some conditions, such as sagging eye syndrome (SES), show esotropia for distance or cyclovertical strabismus with no abduction limitations despite highly myopic eyes. We evaluated the magnetic resonance imaging (MRI) findings and clinical features of HES, high myopia with SES-like symptoms (highly myopic SES), and SES...
February 15, 2024: Strabismus
Konstantinos Paraskevopoulos, Christina Karakosta, Georgios Feretzakis, Maria Liaskou, Dimitra Kafetsouli, Anna Kokolaki, Konstantinos Droutsas, Dimitrios Papakonstantinou, Ilias Georgalas
INTRODUCTION: The aim of this study is to evaluate changes in corneal astigmatism, axial anterior corneal curvature, as well as changes in the anterior chamber depth and central corneal thickness, 2 months following the unilateral recession of medial rectus muscle in children. METHODS: Thirty-three children with esotropia were prospectively evaluated following unilateral medial rectus muscle recession, using Pentacam®. Comparisons were made between the operated and fellow unoperated eyes, pre, and postoperatively...
February 4, 2024: Strabismus
Virender Sachdeva, Bidisha Bhattacharya, Snehal Ganatra, Ramesh Kekunnaya
Purpose : To assess the prevalence of alternate etiology/co-existing pathology among patients with amblyopia, and to characterize factors contributing to over-diagnosis of amblyopia. Methods : We retrospectively reviewed records of children (from 1 January 2016 to 31 December 2019) who were initially diagnosed as "amblyopia" but later an alternate diagnosis for subnormal vision was established. Patients who had a best corrected visual acuity (BCVA) of ≤20/32 (0.2 logMAR) after compliant amblyopia therapy were divided into 2 groups: those with refractory amblyopia (BCVA improvement from baseline <1 logMAR line) and residual amblyopia (BCVA improvement from baseline >1 logMAR line)...
February 4, 2024: Strabismus
Hassan Hashemi, Mehdi Khabazkhoob, Carla Lança, Mohammad Hassan Emamian, Akbar Fotouhi
PURPOSE: To determine the prevalence of anisometropia and the associated demographic and biometric risk factors in children. METHODS: This cross-sectional study was conducted on the elementary school children of Shahroud, east of Iran, in 2015. All rural students were recruited, while multistage cluster sampling was used to select the students in urban areas. All children underwent optometric examinations including the measurement of uncorrected and corrected visual acuity, autorefraction, and subjective refraction with cycloplegia...
January 17, 2024: Strabismus
Andrea M Kramer, Lindsay D Klaehn, David O Hodge, Brian G Mohney
Purpose : Although dissociated vertical deviation (DVD) is reported to occur rarely in children with intermittent exotropia (IXT), little is known regarding the clinical features of these children. The purpose of this study was to compare the demographic and clinical characteristics of children with intermittent exotropia and DVD to those without DVD. Methods : The medical records of all children diagnosed with intermittent exotropia at our institution from 1 January 2002, through 31 December 2018, who had 2 or more exams with 3 or more assessments of control, were retrospectively reviewed...
December 6, 2023: Strabismus
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