Journal of AaposPub Date : 2025-01-24DOI: 10.1016/j.jaapos.2025.104115
Agnieszka Rosa, Piotr Rosa, Malgorzata Kochana, Agata Joanna Ordon, Piotr Loba
{"title":"The effect of low hypermetropia correction and office-based orthoptic training on binocular vision parameters in children with convergence insufficiency.","authors":"Agnieszka Rosa, Piotr Rosa, Malgorzata Kochana, Agata Joanna Ordon, Piotr Loba","doi":"10.1016/j.jaapos.2025.104115","DOIUrl":"10.1016/j.jaapos.2025.104115","url":null,"abstract":"<p><strong>Purpose: </strong>To determine the effect of low hypermetropia correction and orthoptic exercises on binocular visual function in children with symptomatic convergence insufficiency.</p><p><strong>Methods: </strong>This was a prospective, randomized intervention with a 3-month follow-up. Consecutive pediatric patients with convergence insufficiency and hypermetropia who met inclusion criteria were randomly assigned to one of three treatment groups: spectacle correction and orthoptic training (group 1), spectacle correction alone (group 2) and orthoptic training alone (group 3). The correction of hypermetropia ranged from +0.50 D to +2.25 D. All patients underwent an orthoptic examination, and the severity of functional symptoms was assessed.</p><p><strong>Results: </strong>A total of 55 patients (28 females, 27 males) were included. There were no treatment-related changes in visual acuity or angle of phoria. Statistically significant reductions in the near point of convergence occurred in group 1 (-5.5 ± 6.8 cm [P = 0.001]) and in group 2 (-5.1 ± 4.8 cm [P = 0.001]). Fusional convergence for distance improved in groups 1 (P = 0.003), 2 (P = 0.018) and 3 (P = 0.006) but for near only in group 2 (P = 0.004). The largest improvement in the mean accommodative facility occurred in group 1 (P = 0.001). A significant decrease in the severity of functional symptoms was noted in all groups (P < 0.001 in groups 1 and 2 and P = 0.006 in group 3).</p><p><strong>Conclusions: </strong>In our study cohort, correction of low hypermetropia positively influenced binocular vision parameters in patients with convergence insufficiency, suggesting that low hypermetropia correction should be considered for patients who undergo orthoptic training for convergence insufficiency.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104115"},"PeriodicalIF":1.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-24DOI: 10.1016/j.jaapos.2025.104116
Eileen E Birch, Reed M Jost, Krista R Kelly
{"title":"Baseline and outcome stereoacuity of children with anisometropic amblyopia undergoing dichoptic amblyopia treatment.","authors":"Eileen E Birch, Reed M Jost, Krista R Kelly","doi":"10.1016/j.jaapos.2025.104116","DOIUrl":"10.1016/j.jaapos.2025.104116","url":null,"abstract":"<p><strong>Background: </strong>One rationale for dichoptic amblyopia therapy is that it may promote recovery of binocular function. Yet data on binocular outcomes in anisometropic amblyopia following dichoptic therapy are sparse. We report factors associated with pre- and post-treatment binocular function in anisometropic amblyopia, and examine binocular function in children who recover normal visual acuity compared to those with residual amblyopia.</p><p><strong>Methods: </strong>Baseline and outcome stereoacuity and binocular function (BF) scores were pooled across 185 children (3-12 years of age) with anisometropic amblyopia who participated in one of eight clinical trials of contrast-rebalanced dichoptic amblyopia treatment conducted at a single site. Associations of baseline variables (visual acuity, suppression, type and amount of anisometropia, prior treatment) with baseline and outcome stereoacuity and BF scores were analyzed, as well the association between improvement in visual acuity with improvement in stereoacuity and BF scores.</p><p><strong>Results: </strong>Better baseline stereoacuity and BF score were associated with better baseline visual acuity, less baseline suppression, less anisometropia, and anisometropia due to astigmatism. Better outcome stereoacuity and BF score were associated with better baseline stereoacuity and BF score, more improvement in visual acuity, less anisometropia, and anisometropia due to astigmatism. Children aged 3-6 years who recovered normal visual acuity with dichoptic treatment had better stereoacuity and BF score outcomes than those with residual amblyopia.</p><p><strong>Conclusions: </strong>Dichoptic therapy is an effective amblyopia treatment. Although there was no substantive advantage in promoting binocular function, stereoacuity outcomes were similar to those previously reported for patching and Bangerter filters.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104116"},"PeriodicalIF":1.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-24DOI: 10.1016/j.jaapos.2025.104111
Semra Koca, Soner Güven, Şerife Köksal
{"title":"Longitidunal changes in accommodation amplitude after strabismus surgery.","authors":"Semra Koca, Soner Güven, Şerife Köksal","doi":"10.1016/j.jaapos.2025.104111","DOIUrl":"10.1016/j.jaapos.2025.104111","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate changes in accommodation amplitude (AA) after strabismus surgery.</p><p><strong>Methods: </strong>The medical records of patients who underwent full-tendon tenotomy on at least one rectus muscle between January 2023 and July 2023 were reviewed retrospectively. AA was evaluated objectively and monocularly with the autorefractometry (Tonoref III, ARK-1a, NIDEK Co Ltd, Gamagori, Japan). Accommodation amplitude was evaluated preoperatively and at the 1st week, 1st month, and 3rd month postoperatively.</p><p><strong>Results: </strong>A total of 36 patients (67 eyes) were included. Mean age was 15.6 ± 6.4 (range, 6-28) years. Average AA decreased significantly in the 1st week compared to the preoperative, baseline value (P = 0.006) and increased significantly in the 1st month compared to the 1st week (P = 0.043). In the 3rd month, it increased slightly compared to the 1st month and reached the baseline value again (P = 0.096). Pre- and postoperative 3rd month values did not differ (P = 1).</p><p><strong>Conclusions: </strong>In this small study cohort, full-thickness rectus tenotomy reduced AA in the early postoperative period, but this impairment proved temporary, and AA regained preoperative values in the 3rd postoperative month.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104111"},"PeriodicalIF":1.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-23DOI: 10.1016/j.jaapos.2025.104112
Angela M Ngo, Courtney L Kraus
{"title":"Postoperative guidelines following pediatric cataract and glaucoma surgeries: a survey of preferred surgeon instructions.","authors":"Angela M Ngo, Courtney L Kraus","doi":"10.1016/j.jaapos.2025.104112","DOIUrl":"10.1016/j.jaapos.2025.104112","url":null,"abstract":"<p><strong>Background: </strong>Recommendations regarding long-term postoperative activity are intended to prevent adverse events, but no common policy or best practice exists among ophthalmologists for pediatric patients. We surveyed ophthalmologists on their postoperative guidelines after the one-month postoperative period following childhood cataract and glaucoma surgeries.</p><p><strong>Methods: </strong>A 28-question anonymous Qualtrics survey was distributed via listservs and social media. The survey was designed to elicit respondents' preferred long-term postoperative guidelines (after month 1) for participation in five water-based activities, nine sports, and three other \"high-risk\" activities, according to type of surgery: primary cataract extraction with or without intraocular lens (IOL) implantation, angle-based glaucoma surgeries, glaucoma drainage device surgeries, and glaucoma filtering surgeries.</p><p><strong>Results: </strong>A total of 49 responses were collected from June to August 2023. Most respondents reported no long-term postoperative restrictions for water-based activities (72%-84%), sports (47%-84%), or high-risk activities (72%-88%). Most respondents did not change their postoperative restrictions based on nuances of surgical technique or clinical examination, such as an \"iris claw\" IOL (79%), prior trauma (65%), contact lens removal (83%), eye pressure (86%-87%), or bleb appearance (80%). For glaucoma surgeries, although the majority allow complete participation, ophthalmologists were more likely to recommend complete restrictions than sports participation with protective eyewear. For cataract surgery, children with aphakia were more likely to be encouraged to wear safety glasses and less likely to have complete restriction of an activity than those with an IOL.</p><p><strong>Conclusions: </strong>Most ophthalmologists do not impose long-term postoperative restrictions following childhood intraocular surgeries.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104112"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-23DOI: 10.1016/j.jaapos.2025.104108
Raul Plasencia Salini, Tanya Boghosian, Sina Khalili, Kamiar Mireskandari, Asim Ali, Simon S M Fung
{"title":"Topographic corneal changes in children with moderate to severe blepharokeratoconjunctivitis.","authors":"Raul Plasencia Salini, Tanya Boghosian, Sina Khalili, Kamiar Mireskandari, Asim Ali, Simon S M Fung","doi":"10.1016/j.jaapos.2025.104108","DOIUrl":"10.1016/j.jaapos.2025.104108","url":null,"abstract":"<p><strong>Purpose: </strong>To determine the corneal topographic characteristics of children with blepharokeratoconjunctivitis (BKC), a chronic inflammatory ocular surface disease involving the lid margin, conjunctiva, and cornea.</p><p><strong>Methods: </strong>The corneal topography of 21 children diagnosed with BKC between March 2008 and June 2019 at a single institution were reviewed retrospectively. Pachymetry and asymmetry indices were also analyzed.</p><p><strong>Results: </strong>Mean flat keratometry (K1), steep keratometry (K2), maximum keratometry (K<sub>max</sub>), and topographic astigmatism (TA) were 42.61 ± 2.63 D, 46.00 ± 3.17 D, 51.00 ± 5.29 D, and 3.39 ± 2.60 D, respectively. Mean central corneal thickness (CCT) was 528.8 ± 72.2 μm; mean thinnest point (TP) was 487.00 ± 88.28 μm; 47% of eyes had a TP of <500 μm. Compared with previously published pediatric normative values, K2, K<sub>max</sub>, and TA were significantly higher (46.00 ± 3.17 vs 45.16 ± 0.27, 51.00 ± 5.29 vs 45.76 ± 0.28, and 3.38 ± 2.48 vs 2.81 ± 0.19 [P < 0.0001]), whereas mean CCT and TP were significantly lower in the BKC group. 72.2% of cases fulfilled the Rabinowitz diagnostic criteria for ectasia: 67% had a K<sub>max</sub> >47.2 D and 31% had an inferior-superior asymmetry value >1.2 D. Using topography-derived indices comparing the superior and inferior corneal characteristics, the index of height decentration, index of surface variance, and index of vertical asymmetry were found to be abnormal in 83%, 69%, and 64% of cases, respectively.</p><p><strong>Conclusions: </strong>Children with moderate-to-severe BKC may present with significant topographic corneal changes that can mimic corneal ectasia. Corneal topography could be an important tool in evaluating corneal involvement and explaining reduced visual function due to refractive changes.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104108"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analysis of the effect of congenital unilateral trochlear nerve paresis on retinal vascular density: a retrospective study.","authors":"Murat Karapapak, Havva Kaldırım, Ece Özal, İdil Çelen Arabacı, Serhat Ermiş","doi":"10.1016/j.jaapos.2025.104103","DOIUrl":"10.1016/j.jaapos.2025.104103","url":null,"abstract":"<p><strong>Purpose: </strong>To use swept-source optical coherence tomography angiography (SS-OCTA) to investigate the alterations in retinal vascular density (VD) in patients presenting with congenital unilateral trochlear nerve palsy.</p><p><strong>Methods: </strong>The medical records of patients diagnosed with congenital unilateral trochlear nerve palsy and those of a healthy control group were reviewed retrospectively. Comprehensive ocular examinations and SS-OCTA imaging were conducted. The study population was divided into three subgroups of eyes: paretic eyes, fellow eyes, and controls. All participants underwent comprehensive ophthalmic examinations, which included assessments of ocular motility, cycloplegic refraction, and axial length measurement. Various strabismus tests-the cover-uncover test, prism and alternate cover test, Krimsky test, and Parks-Bielschowsky test-were conducted to confirm the diagnosis and evaluate the extent of the condition.</p><p><strong>Results: </strong>A total of 34 patients and 39 healthy controls were included. Sex and age distributions were similar between groups. Significant differences were observed in central VD of the superficial capillary plexus (SCP) and deep capillary plexus (DCP) between paretic eyes, fellow eyes, and control eyes. The fellow eye exhibited lower central VD compared to the paretic and control eyes. Inverse correlations between deviation angle and VD were noted in different SCP and DCP quadrants in paretic eyes.</p><p><strong>Conclusions: </strong>In our study cohort, there were significant changes in retinal VD in fellow eyes of patients with trochlear nerve palsy, which we speculate may be related to compensatory head position.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104103"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-23DOI: 10.1016/j.jaapos.2025.104114
Abdullah T Al Zahrani, Nouf A AlZendi, Sulaiman M Alsulaiman, Sami AlShahwan, Mohammad Aatif Khan, Rizwan Malik
{"title":"The incidence, clinical features, microbiology, and visual outcomes of endophthalmitis associated with glaucoma surgery in children.","authors":"Abdullah T Al Zahrani, Nouf A AlZendi, Sulaiman M Alsulaiman, Sami AlShahwan, Mohammad Aatif Khan, Rizwan Malik","doi":"10.1016/j.jaapos.2025.104114","DOIUrl":"10.1016/j.jaapos.2025.104114","url":null,"abstract":"<p><strong>Purpose: </strong>To study the incidence, clinical features, microbiology, and visual outcome of endophthalmitis associated with glaucoma surgery in children at a tertiary care eye hospital in Saudi Arabia.</p><p><strong>Methods: </strong>The medical records of patients <18 years of age who presented with endophthalmitis following glaucoma surgery between January 2008 and October 2018 were reviewed retrospectively.</p><p><strong>Results: </strong>Endophthalmitis after glaucoma surgery was observed in 20 eyes, or 18 out of 853 eyes that underwent glaucoma surgery at our institution (2.1%; 3.3% for glaucoma drainage device [GDD] surgery and 0.9% for glaucoma filtration surgery [GFS]). The mean patient age at time of endophthalmitis was 5.2 ± 4 years (range, 1-15 years). Delayed endophthalmitis (developing at least 6 weeks after surgery) occurred in 13 of the 20 eyes (65%). The median interval between glaucoma surgery and the development of endophthalmitis was shorter after GDD surgery (59 days; range, 26-1325) compared with GFS (606 days; range, 20-2190). Visual outcome was generally poor, with counting fingers or worse in 14 of 20 eyes (70%). A causative organism was identified in 16 of 20 eyes (80%) either through a vitreous tap or vitrectomy specimen, and the most cultured organism was Streptococcus pneumoniae (45%).</p><p><strong>Conclusions: </strong>In our study cohort, the incidence of endophthalmitis after GFS was 0.9% and 3.3% after GDD implant surgery; the incidence was higher than previously reported in adults, with poor long-term visual prognosis in the pediatric age group.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104114"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-23DOI: 10.1016/j.jaapos.2025.104113
Matej Zupan, Gil Binenbaum, Manca Tekavčič Pompe
{"title":"Validation of the Postnatal Growth and Retinopathy of Prematurity (G-ROP) criteria in a Slovenian cohort.","authors":"Matej Zupan, Gil Binenbaum, Manca Tekavčič Pompe","doi":"10.1016/j.jaapos.2025.104113","DOIUrl":"10.1016/j.jaapos.2025.104113","url":null,"abstract":"<p><strong>Purpose: </strong>To validate the Postnatal Growth and ROP (G-ROP) study criteria for retinopathy of prematurity (ROP) screening in a Slovenian cohort.</p><p><strong>Methods: </strong>We conducted a retrospective cohort study of preterm infants screened in 2021 at the University Medical Centre Ljubljana, Slovenia. The G-ROP criteria were systematically applied. Primary outcomes were sensitivity for ROP requiring treatment, sensitivity for any ROP, and reduction in the number of infants screened.</p><p><strong>Results: </strong>Of 102 infants screened, 27 (26.4%) developed ROP. Eleven infants (10.7%) had type 1 ROP, of whom 2 (1.9%) had aggressive ROP; 5 infants (4.9%) had type 2 ROP, and 11 (10.7%) had milder ROP. Using the original or simplified G-ROP criteria, all infants who developed type 1 ROP (sensitivity, 100% [95% CI, 74%-100%]), and all infants who developed ROP (sensitivity, 100% [95% CI, 88%-100%]) were correctly identified. Application of the original G-ROP criteria would have reduced the number of infants screened by 29.4% (30 of 102).</p><p><strong>Conclusions: </strong>In our cohort, both the original and simplified G-ROP criteria showed 100% sensitivity for predicting ROP type 1 while reducing the number of unnecessary screenings. These results confirm the reliability of the G-ROP criteria in the Slovenian context and suggest that their use improves screening efficiency.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104113"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-22DOI: 10.1016/j.jaapos.2025.104105
Fernando Martinez Guasch, Ryan Thompson, Desai Oula, Sarah Ward, Moran Roni Levin, Janet Leath Alexander
{"title":"Use of Harms trabeculotome to assist failed microcatheter advancement during trabeculotomy in primary congenital glaucoma.","authors":"Fernando Martinez Guasch, Ryan Thompson, Desai Oula, Sarah Ward, Moran Roni Levin, Janet Leath Alexander","doi":"10.1016/j.jaapos.2025.104105","DOIUrl":"10.1016/j.jaapos.2025.104105","url":null,"abstract":"<p><p>We report the use of the Harms trabeculotome to facilitate 360° microcatheter advancement during illuminated microcatheter-assisted circumferential trabeculotomy (IMCT) ab externo in a 3-month-old infant with bilateral primary congenital glaucoma who required repeat surgery. The illuminated microcatheter was advanced 270°, from 9 to 6 o'clock; however, a focal blockage occurred, and, despite viscodilation, further advancement was not possible. The surgeon introduced a right Harms trabeculotome in the opposite direction, counterclockwise through the same scleral flap. The trabeculotome approximated and manipulated the illuminated microcatheter tip. The illuminated microcatheter was then able to advance beyond the focal obstruction, and the 360° circumferential trabeculotomy was completed.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104105"},"PeriodicalIF":1.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143030277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Journal of AaposPub Date : 2025-01-22DOI: 10.1016/j.jaapos.2025.104109
Rebecca Z Lin, Margaret M Reynolds, Andrew R Lee
{"title":"Horizontal extraocular muscle insertion locations in children undergoing extraocular muscle surgery.","authors":"Rebecca Z Lin, Margaret M Reynolds, Andrew R Lee","doi":"10.1016/j.jaapos.2025.104109","DOIUrl":"10.1016/j.jaapos.2025.104109","url":null,"abstract":"<p><strong>Background: </strong>The location of extraocular muscle (EOM) insertions is clinically relevant in ophthalmologic surgery. The spiral of Tillaux has been a reference for normal EOM insertion since the nineteenth century. Research on EOM insertions is limited and has focused on adult cadaveric eyes. In this study we investigated the location of EOM insertions in children undergoing EOM surgery.</p><p><strong>Methods: </strong>Children who underwent EOM surgery for strabismus or anomalous head position at a large tertiary care center were consecutively identified from October 2022 to December 2023. Intraoperative measurements of medial rectus (MR) and lateral rectus (LR) insertions were compared to the spiral of Tillaux and within patient groups using one-sample and independent-samples t tests, respectively. Associations of EOM insertions with age, refraction, and axial length were evaluated with Pearson correlation.</p><p><strong>Results: </strong>In 292 children who underwent EOM surgery, 528 previously unoperated EOM insertions were recorded. Mean insertions were closer to the limbus than expected by the spiral of Tillaux (MR, 5.21 vs 5.5 mm [P < 0.001]; LR, 6.76 vs 6.9 mm [P = 0.001]). Esotropia was associated with closer EOM insertions than exotropia (MR, P = 0.021; LR, P = 0.045). Males had farther MR insertions than females (5.33 vs 5.03 mm [P < 0.001]). Age was weakly associated with farther EOM insertions (MR, r = 0.215, P < 0.001; LR, r = 0.232, P < 0.001). Myopia was very weakly associated with farther MR insertions (r = -0.145, P = 0.024).</p><p><strong>Conclusions: </strong>In children undergoing EOM surgery, MR and LR insertions were closer to the limbus than expected relative to the spiral of Tillaux. This finding may have implications for surgical planning and outcomes.</p>","PeriodicalId":50261,"journal":{"name":"Journal of Aapos","volume":" ","pages":"104109"},"PeriodicalIF":1.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143042329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}