ArticleBMC ophthalmology2023
Evaluation of graded recession of inferior oblique muscle for correction of different grades of V-pattern strabismus.
Article in BMC ophthalmology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05786053 (Evaluation of Graded Recession of Inferior Oblique Muscle for Correction of Different Grades of V-pattern Strabismus), which is not on this map. Cited by 5 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Evaluation of Graded Recession of Inferior Oblique Muscle for Correction of Different Grades of V-pattern Strabismus
Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Surgical outcomes of four inferior oblique weakening techniques: a graded, severity-based approach.BMC ophthalmology · 2026Article
- Article
- Prevalence, risk factors and clinical features of sensory A-V pattern exotropia.International journal of ophthalmology · 2025Article
- Assessment of Objective Cyclotorsion Changes Following Symmetric and Asymmetric Graded Recession of Inferior Oblique Muscle for V-Pattern Strabismus.Clinical ophthalmology (Auckland, N.Z.) · 2025Article
- Laterality Targeting in Graded Inferior Rectus Tenotomy Corrects Lateral Incomitance of Hypertropia in Sagging Eye Syndrome.American journal of ophthalmology · 2025Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundV pattern identification is essential for proper strabismus management. Graded recession is a tailored approach to treat inferior oblique overaction (IOOA). The aim is to evaluate the efficacy of graded recession of inferior oblique muscle for correction of different grades of V pattern.
methodsForty patients from 3 to 18 years old with V pattern strabismus and primary IOOA were evaluated by prism cover test to assess the grade of IOOA and amplitude of V-pattern. Graded recession of IO muscle depends on the amplitude of the V-pattern and degree of IOOA. Eight mm recession for amplitude 15 PD to 20 PD and mild IOOA (10 PD-15 PD or + 1) ,10 mm recession for amplitude 20-30 PD and moderate IOOA (15-25 PD or + 2) and maximum recession for amplitude more than 30 PD and marked IOOA (≥ 25 PD or + 3). Simultaneous correction of the horizontal deviation was performed. Follow up after I week,1 month ,3 month and 6-month. Trial Registration Number (TRN) (NCT05786053) on 23/3/2023.
resultsThe mean age of the study patients was 9 ± 4.261. Twenty patients (50%) had V-pattern esotropia, 12 (30%) exotropia, 4 (10%) orthotropic and four (10%) had Dissociated vertical deviation (DVD). Four cases 10% were of grade 1, 20 cases (50%) grade 2 and 16 cases (40%) were of grade 3. Of eighty eyes, 66 eyes (82.5%) were fully corrected with no residual IOOA, and 14 eyes (17.5%) were under corrected. V-pattern was corrected in 28 cases 70% and only 12cases (30%) had residual V-pattern grade 1.
conclusionsGraded recession is an effective procedure for correction of V pattern strabismus with various grades of primary inferior oblique overaction. It can be tailored according to the the degree of IO overaction which is significantly related to the grade of V pattern. The 8 mm recession for IO was significantly related to recurrence or inadequate break of the V pattern in our studied cases. The grade of IOOA correlates with the amplitude of V-pattern. The amount of recession was planned according to preoperative IOOA and grade of V-pattern with frequent undercorrections obtained by the standard 8 mm recession. A + 2 overaction merits a 10-mm recession of the inferior oblique. A + 3 or + 4 overaction merits a 14-mm maximal recession.
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