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Sun Jung Eum, Bo Young Chun
PURPOSE: The purpose of this study is to compare the magnitude and axis of astigmatism induced by a combined inferior oblique (IO) anterior transposition procedure with lateral rectus (LR) recession versus LR recession alone. METHODS: Forty-six patients were retrospectively analyzed. The subjects were divided into two groups: those having concurrent inferior oblique muscle overaction (IOOA) and intermittent exotropia (group 1, 20 patients) and those having only intermittent exotropia as a control (group 2, 26 patients)...
December 2016: Korean Journal of Ophthalmology: KJO
Ahmed Awadein, Dina El-Fayoumi, Rasha H Zedan
PURPOSE: To study the changes in fundus torsion and in the axis of astigmatism following inferior oblique (IO) myectomy in patients with inferior oblique overaction (IOOA). METHODS: The degree of fundus torsion and corneal astigmatism were prospectively evaluated before and 3 months after IO myectomy in patients with IOOA grade +2 or more in one or both eyes and an astigmatic error of ≥1 D. Fundus torsion was evaluated by measuring the disk foveal angle (DFA) using fundus photography...
August 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
Kun-Hoo Na, Seung-Hyun Kim
PURPOSE: To evaluate the long-term surgical outcomes and the clinical features between infantile-onset constant and intermittent exotropia. METHODS: The medical records of 67 patients diagnosed as having infantile exotropia before 12 months of age who underwent surgery were reviewed retrospectively. Patients were divided into intermittent exotropia and constant exotropia groups based on presentation before surgery. All patients underwent bilateral lateral rectus recession...
March 2016: Journal of Pediatric Ophthalmology and Strabismus
J Krásný
AIM: To familiarize with the form of combined horizontal and vertical deviations and its development and put it into the context of eighteen years of strabismus surgery analysis. MATERIAL AND METHODS: During the period from 1996 to 2014, there were at the Department of Ophthalmology, 2nd Medical Faculty, Charles University and Faculty Hospital Královské Vinohrady, Prague, Czech Republic, E.U., operated on 2 248 patients due to the eye position misalignment. The surgery of dynamic (comitant) strabismus (esotropia, exotropia, vertical deviations and their combinations) was altogether performed in 81...
December 0: Ceská a Slovenská Oftalmologie
M F Farid
PURPOSE: To compare results of two surgical techniques; anteriorization (ATIO) vs anterior nasalization (ANT) of IO muscle in management of DVD associated with IOOA. METHODS: Twenty-one patients with DVD associated with IOOA were included in this study. Group A consists of 11 patients who underwent ATIO and group B with 10 patients who underwent anterior transposition of IO to the nasal border of inferior rectus ANT. All patients were followed for at least 6 months postoperatively...
April 2016: Eye
Jasmina Alajbegovic-Halimic, Denisa Zvizdic, Amra Sahbegovic-Holcner, Amira Kulanic-Kuduzovic
INTRODUCTION: Inferior oblique overaction (IOOA) can be primary or secondary, isolated or combined to other types of horizontal deviation, mostly with esotropias. Surgical weakening of IOOA means several techniques like; recession, myotomy, myectomy, anteroposition etc. GOALS: we analyzed the effect of inferior oblique muscle surgical weakening comparing two groups of patients with primary hypertropia. MATERIAL AND METHODS: In 5-years retrospective study, we observed 33 patients on which we did the surgical procedure of weakening inferior muscle overaction by two methods; recession and myotomy...
June 2015: Medical Archives
Ismail Ersan, Refik Oltulu, Orhan Altunkaya, Gunhal Satirtav, Sedat Arikan, Meryem Donbaloglu, Ahmet Ozkagnici
PURPOSE: To evaluate the macular and subfoveal choroidal thickness of eyes with inferior oblique muscle overaction (IOOA) using enhanced depth imaging spectral domain optical coherence tomography (EDI SD-OCT). METHODS: The measurements of macular and subfoveal choroidal thickness obtained by EDI SD-OCT of patients with IOOA (24 patients) were compared with those of age- and sex-matched controls (25 subjects). RESULTS: There were no morphological abnormalities of the macula in patients with IOOA or in control subjects...
February 2015: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
Mostafa Soltan Sanjari, Kourosh Shahraki, Shahbaz Nekoozadeh, Seyed-Morteza Tabatabaee, Kianoush Shahraki, Kaveh Abri Aghdam
PURPOSE: To compare the outcomes of surgical procedures in the treatment of inferior oblique muscle overaction (IOOA) as a common disorder of ocular motility. METHODS: This retrospective study was performed on patients with primary and secondary IOOA who underwent three surgical treatment procedures including disinsertion, myectomy and anterior transposition, between 2001 and 2011. Type of strabismus, ocular alignment, presence of pre-and post-operative dissociated vertical deviation (DVD), pre- and post-operative degree of IOOA were obtained using specified checklist...
July 2014: Journal of Ophthalmic & Vision Research
Eun-Joo Yoo, Seung-Hyun Kim
PURPOSE: Inferior oblique anterior transposition (IOAT) should be done only in patients with inferior oblique overaction (IOOA) and dissociated vertical deviation (DVD) without fusional potential because the procedure can cause anti-elevation syndrome. This study reports the results of modified inferior oblique transposition onto the equator in 7 patients diagnosed with infantile exotropia or esotropia associated with IOOA and DVD. METHODS: We performed modified inferior oblique (IO) transposition onto or considering the equator on 7 patients who had infantile exotropia or esotropia associated with IOOA and DVD...
March 2014: Strabismus
Hande Taylan Sekeroglu, Ozlem Dikmetas, Ali Sefik Sanac, Emin Cumhur Sener, Umut Arslan
Objective. To evaluate and quantify the effect of inferior oblique muscle weakening on horizontal deviations. Methods. The medical files of patients who had undergone an inferior oblique weakening as a single procedure were all reviewed. The main measures were the type of inferior oblique overaction (IOOA), pre- and postoperative amount of IOOA, and horizontal deviations in primary position. Results. The study was conducted with 66 patients (30 males, 36 females). The median age was 11 years (1-49). Of the 66 patients, 30 (45...
2012: Journal of Ophthalmology
Yong-Min Choi, Seung-Hyun Kim
PURPOSE: To compare the clinical outcomes and characteristics of 2 different types of early-onset exotropia on the basis of stereopsis outcome. DESIGN: Retrospective case series. PARTICIPANTS: A total of 24 patients with newly diagnosed exotropia before 12 months of age and at least 1 year of follow-up after surgery. METHODS: The clinical records of all patients were reviewed. Patients were divided into 2 groups according to stereopsis...
January 2013: Ophthalmology
Yoonae A Cho, Youngsub Eom, Young-Woo Suh
OBJECTIVE: To evaluate the relationship between fundus extorsion before surgery and the development of inferior oblique overaction (IOOA) and dissociated vertical deviation (DVD) after surgery in patients with infantile esotropia. DESIGN: Retrospective comparative observational study. PARTICIPANTS: Forty patients who had not had preoperative IOOA or DVD, and had undergone surgery for infantile esotropia were included. METHODS: A fundus examination was carried out under general anesthesia before surgery...
October 2011: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
Seung-Hyun Kim, Jae-Hoon Na, Yoonae A Cho
PURPOSE: To investigate the role of the location of the equator and orientation of newly attached inferior oblique (IO) muscle in the development of contralateral inferior oblique overaction (IOOA). METHODS: Fourteen patients (14 eyes) with 5 to 12 prism diopters (PD) of hyperdeviation in primary position with unilateral, congenital, superior oblique palsy were included. Seven patients underwent modified IO transposition onto the equator (equator group) and seven patients underwent modified IO 14-mm recession (14-mm group)...
March 2012: Journal of Pediatric Ophthalmology and Strabismus
Chia-Ming Hsu, Muh-Chiou Lin, Shwu-Jiuan Sheu
A full-term female baby was diagnosed as having Apert syndrome with craniosynostosis, hypertelorism, syndactyly, polydactyly, and cleft plate. At her first ophthalmic visit at 8 months old, she was noted to have bilateral exophthalmos with epiblepharon on her lower lids, exotropia, and right inferior oblique muscle overaction (IOOA) and manifested right dissociated vertical deviation (DVD). There was no keratopathy or optic neuropathy. Bilateral lateral rectus muscles and right inferior oblique muscle recession were performed with correction of bilateral epiblepharon at 1 year of age...
February 2011: Journal of the Chinese Medical Association: JCMA
Zhale Rajavi, Arman Molazadeh, Alireza Ramezani, Mehdi Yaseri
PURPOSE: It is still not clear whether inferior oblique recession or inferior oblique myectomy is a better option for weakening inferior oblique overaction (IOOA). The aim of this study was to compare the effect of these two methods on IOOA. METHODS: Patients who were candidates for surgical management of IOOA were randomly assigned to either IO myectomy or recession. Complete ophthalmic examinations were performed before surgery. In the myectomy group, 5 mm was excised from the inferior temporal region of IO muscle(s)...
November 2011: Journal of Pediatric Ophthalmology and Strabismus
Se Yup Lee, Hyun Kyung Cho, Hyun Kyung Kim, Young Chun Lee
PURPOSE: To investigate the surgical outcomes of inferior oblique muscle Z myotomy in patients with inferior oblique overaction (IOOA). METHODS: A prospective study was performed in 21 patients (primary IOOA in 13 patients, secondary IOOA in 8 patients) who underwent inferior oblique muscle Z myotomy. Patients with IOOA under the degree of +2 were included. Seventy percent of Z myotomies were performed at 6 mm along the physiological path after identifying the inferior oblique muscle through an inferotemporal fornix incision...
November 2010: Journal of Pediatric Ophthalmology and Strabismus
Patcharapim Masaya-anon, Irene Subhangkasen, Juthathip Hiriotappa
OBJECTIVE: To study the surgical effects of bilateral graded inferior oblique muscle (IO) recession on the reduction of the V pattern deviation and severity of inferior oblique muscle overaction (IOOA) in children who had bilateral superior oblique muscle palsies (SOP) with secondary inferior oblique muscle overaction. MATERIAL AND METHOD: Seven patients who presented with bilateral SOP with secondary IOOA were included. All patients had V pattern deviation and bilateral graded IO recession was done...
February 2009: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
K Vodicková, R Autrata, J Rehůrek
Anterior transposition of the inferior oblique muscle (ATIO) and myectomy of the inferior oblique muscle (MIO) are favorite methods for surgical correction of dissociated vertical deviation (DVD), including patients with simultaneous inferior oblique muscle overaction (IOOA). In our comparative, randomized study we evaluated whether anterior transposition improves the surgical outcome compared to myectomy of the inferior oblique muscle. We included 82 eyes of 46 patients, 44 eyes treated with ATIO and 38 treated with MIO...
July 2008: Ceská a Slovenská Oftalmologie
Kamlesh Kumar, Hari Narayan Prasad, Sumit Monga, Rahul Bhola
INTRODUCTION: Although hang-back recession has widely been used as a weakening procedure on extraocular muscles, its effectiveness has mostly been studied for rectus muscles. We report a surgical technique for recessing the inferior oblique muscle and evaluate its effectiveness in V-pattern strabismus with inferior oblique overaction (IOOA). METHODS: Fifteen patients with V-pattern strabismus and IOOA, 7 with V exotropia, and 8 with V esotropia underwent hang-back recession of inferior oblique muscle in addition to horizontal muscle surgery when required...
August 2008: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
David M Squirrell, Katharine S Sears, John P Burke
PURPOSE: Persistent symptomatic inferior oblique (IO) muscle overaction (IOOA) after IO muscle weakening surgery is a common problem. We describe the results of reexploration and myectomy of the IO muscle using a standard inferotemporal approach to treat this clinical entity. METHODS: A retrospective noncomparative consecutive series of patients referred for treatment of persistent IOOA. The following preoperative and postoperative measurements were recorded in each case: (1) the ductions and versions of the overacting IO muscle and its antagonist superior oblique (SO) muscle; and (2) alternate prism cover test, using loose prisms at 6 m, in primary position and right- and leftgaze...
February 2007: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
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