Purpose To identify the etiologies, clinical course and management of acute acquired comitant esotropia in Ramathibodi Hospital, Thailand. Methods Thirty patients who were diagnosed with acute acquired comitant esotropia at Ramathibodi Hospital from January 1 2017 to December 31 2019 were identified using electronic medical records, from which demographic, etiology, clinical course and management, laboratory, and neuroimaging data were collected. Results The etiologies of acute acquired comitant esotropia were Swan (16.67%), Burian–Franceschetti (30.00%), Bielschowsky (36.67%), Arnold Chiari malformation (3.33%) and decompensated esophoria (13.33%). Mean age of onset was 19.8 ± 18.3 years. Mean angle of esodeviation was 28.4 ± 12.1 prism diopters for distance fixation and 29.3 ± 11.8 prism diopters for near fixation. Refraction differed between age groups: children under 10 years had mild hyperopia (median +0.63 diopters, first quartile +0.25 diopters, third quartile +0.75 diopters) and teenagers (10–18 years old) had emmetropia to mild myopia (median +0.25 diopters, first quartile −2.50 diopters, third quartile +0.75 diopters), whereas adults had mild to moderate myopia (median −0.75 diopters, first quartile −5.25 diopters, third quartile ±0.00 diopters). Twelve patients (40.00%) were prescribed spectacles and surgical intervention was performed in 26 patients (86.67%). All patients except one case of Arnold Chiari malformation (96.67%) maintained normal binocular function and alignment following strabismus surgery or spectacles correction. Conclusion Bielschowsky was the most common etiology of acute acquired comitant esotropia in our study. We suggest that refraction should be performed in all patients with acute acquired comitant esotropia. Most etiologies were benign and might not require neuroimaging. However, neuroimaging is recommended in those with atypical presentations, such as nystagmus, headache, or cerebellar signs. Surgical intervention with a 0.5–1.0 mm increase in recession was effective for restoring ocular alignment and binocular function in our patients.
Purpose To evaluate the resolution rate of lacrimal sac massage and the efficacy of primary probing among different age groups of patients with CNLDO in Thai population. Patients and Methods Retrospectively reviewed the medical records of patients younger than 10 years of age who had been diagnosed with CNLDO, from January 1st, 2011, to October 31st, 2021. Patients were divided into two groups. The conservative treatment group comprised patients who had received Crigler’s maneuver and topical antibiotic when indicated; the intervention group comprised patients who had received probing. Results There were 469 patients in the conservative treatment group and 108 patients in the probing group. In the conservative treatment group; the patients were categorized into five groups according to age: 0 to <6 months, 6 to <12 months, 12 to <18 months, 18 to <24 months, and ≥24 months. The resolution rates for these age groups were 99.25%, 96.23%, 64.71%, 50%, and 62.07%, respectively. The rate of spontaneous resolution was significantly associated with patient age (p <0.01). In the intervention group; the patients were categorized into four age groups according to age: 0 to <12 months, 12 to <24 months, 24 to <36 months, and ≥36 months. The success rates of primary probing for these age groups were 92.86%, 89.29%, 85.71%, and 94.12%, respectively. The success rate of primary probing was not significantly associated with patient age (p >0.05). Conclusion The Crigler’s maneuver is a safe and highly effective procedure for the management of CNLDO in patients of multiple ages, particularly patients less than 12 months of age. According to the high spontaneous resolution rate and the low rate of complications, the clinicians may delay surgical intervention when desired.
PurposeTo evaluate the postoperative refraction of intended undercorrection after intraocular lens (IOL) implantation in pediatric cataract patients.DesignA cross-sectional study (data collected by retrospective chart review).Patients and methodsThe medical records of children aged under 10 years, who underwent cataract surgery with IOL implantation at the Ramathibodi Hospital between January 2000 and May 2018, were reviewed. IOL power calculations were 30%, 25%, 20%, 15% and 10% under-corrected if children were aged 6–12, 13–24, 25–36, 37–48 and 49–60 months, respectively. Two diopters (D) undercorrection was used in children aged between 5 and 8 years and one diopter undercorrection was used in children aged between 8 and 10 years. The main outcome measure was the postoperative refractive errors at the last follow-up visit.ResultsIn total, 50 children (21 females and 29 males, 16 unilateral and 34 bilateral, 84 eyes) met the inclusion criteria for this study. Mean age at the time of surgery was 77.82±31.24 months. Mean follow-up time was 56.56±45.83 months. The main outcome in this study was the postoperative refractive error in children aged 7 years or more. We found 74 eyes of 44 children who were aged 7 years or more at last follow-up visit. In total, 45 eyes were myopic (−0.25 to −8.25 D) with a mean refraction of −2.26±2.16 D. A further 21 eyes were hyperopic (+0.25 to +3.25 D), with a mean refraction of +1.05±0.79 D and eight eyes were emmetropic or having only astigmatism.ConclusionThe major postoperative refractive error at the last follow-up time was myopia. We have to adjust the IOL calculation formula to specify more undercorrection, with the aim of achieving more optimal refractive outcomes in adulthood.
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