Interocular differences in subfoveal choroidal thickness in monocular intermittent exotropia

Na, Jeong Ho; Lee, Soo Jung

doi:10.1016/j.jaapos.2021.12.011

Journal of American Association for Pediatric Ophthalmology and

2022

DOI: 10.1016/j.jaapos.2021.12.011

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Interocular differences in subfoveal choroidal thickness in monocular intermittent exotropia

Jeong Ho Na

Soo Jung Lee

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2024

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Cited by 3 publications

References 27 publications

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Comparison of Contrast Sensitivity between Alternating and Monocular Intermittent Exotropia

Kim,

Lee

2024

J Korean Ophthalmol Soc

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Purpose: To determine if contrast sensitivity varies between alternating and monocular intermittent exotropia.Methods: The study conducted a retrospective analysis of medical records for children aged 5-9 years with intermittent exotropia who had uncorrected visual acuity of 1.0 or better, a spherical equivalent of ± 1.50 diopters (D) or less, and anisometropia of 1.00 D or less. Patients were categorized into two groups using the cover-uncover test: an alternating group without fixation preference and a monocular group with fixation preference. Contrast sensitivity tests were performed on each eye under mesopic and photopic conditions with glare. In the alternating group, eyes were classified as right or left while in the monocular group the non-deviated eye was labeled dominant and the deviated eye was non-dominant.Results: The study included 53 patients with 31 in the alternating group and 22 in the monocular group. In the alternating exotropia group, the left eye demonstrated significantly better contrast sensitivity at 1.1 cycles per degree (cpd) under mesopic conditions (p = 0.043), with no significant differences noted under other conditions. In the monocular exotropia group, dominant eyes exhibited significantly better contrast sensitivity at 10.2 cpd under mesopic conditions (p = 0.046) and at 1.1 cpd under photopic conditions (p = 0.031). No significant differences were observed in the interocular contrast sensitivity between the monocular and alternating groups across all spatial frequencies under both mesopic and photopic conditions.Conclusions: Pediatric patients with monocular intermittent exotropia displayed no significant differences in contrast sensitivity between dominant and non-dominant eyes except at certain frequencies. Additionally, there were no significant interocular contrast sensitivity differences between the monocular and alternating groups suggesting that contrast sensitivity tests may not be effective for determining the dominant eye in these conditions.

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Comparison of Contrast Sensitivity between Alternating and Monocular Intermittent Exotropia

Kim,

Lee

2024

J Korean Ophthalmol Soc

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Analysis of Choroidal Thickness Changes in Recurrent Rhegmatogenous Retinal Detachment

Chung,

Lee,

Pak

2024

Korean J Ophthalmol

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Purpose:To analyze changes in choroidal thickness in patients with recurrent rhegmatogenous retinal detachment (RRD) before and after surgical intervention and to identify factors that influence changes in choroidal thickness.Methods: A retrospective observational study was conducted on patients who underwent surgery for recurrent RRD from November 2019 to March 2023. Choroidal thickness was measured using optical coherence tomography (OCT) at baseline, and then at 2 and 6 months postoperatively. The study analyzed the impact of various factors on choroidal thickness changes. Results:The study included 33 patients, demonstrating a significant decrease in choroidal thickness in the surgical eye compared to the fellow eye over a 6-month period. In the univariate analysis, changes in choroidal thickness were significantly correlated with changes in central retinal thickness (p=0.048) between 0-2 months, and with proliferative vitreoretinopathy (PVR) grade between 2-6 months (p=0.009) and 0-6 months(p=0.02). In the multivariate analysis, an association was found between changes in choroidal thickness from 2 to 6 months and PVR grade(p=0.030) Conclusion:The findings indicate that surgical reattachment in eyes with recurrent RRD leads to a significant reduction in choroidal thickness. The extent of this reduction is influenced by the severity of PVR, highlighting the importance of considering PVR severity when evaluating surgical outcomes in patients with recurrent RRD.

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Evaluation of Structural and Functional Retinal Changes in Children With Intermittent Exotropia Versus Healthy Children

Ebeid,

Abdellatif,

Mohsen Samak

2024

J Pediatr Ophthalmol Strabismus

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Purpose: To detect structural and functional changes in children with intermittent exotropia using optical coherence tomography, pattern electroretinography (ERG), and multifocal ERG. Methods: The study included 26 patients with intermittent exotropia and 26 healthy individuals matched for age and sex with a mean age of 9.23 and 11.20 years in the intermittent exotropia and control groups, respectively ( P = .310). All patients underwent full ophthalmic examination including measurement of the angle of strabismus at near and far, and assessment of the macula and optic nerve using optical coherence tomography, pattern ERG, and multifocal ERG. Results: All patients had 6/6 best corrected visual acuity with no fixation preference. A significantly prolonged P and N wave latency was found in all measured rings of multifocal ERG of patients with intermittent exotropia, P wave amplitude was lower in rings 1 and 5, and N wave amplitude was lower in rings 1 and 2. Regarding pattern ERG, the amplitude of P50 wave was lower and N95 latency was prolonged in the intermittent exotropia group. The upper and lower ganglion cell complex and the superior retinal nerve fiber layer were significantly thinner in the intermittent exotropia group compared to controls. Conclusions: Children with intermittent exotropia without any associated amblyopia or refractive error showed a subnormal pattern and multifocal ERG response in addition to a thinner ganglion cell layer and retinal nerve fiber layer compared to normal controls. This signifies that subtle structural and functional retinal changes are found in patients with intermittent exotropia. [ J Pediatr Ophthalmol Strabismus . 20XX;X(X):XXX–XXX.]

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Interocular differences in subfoveal choroidal thickness in monocular intermittent exotropia

Cited by 3 publications

References 27 publications

Comparison of Contrast Sensitivity between Alternating and Monocular Intermittent Exotropia

Comparison of Contrast Sensitivity between Alternating and Monocular Intermittent Exotropia

Analysis of Choroidal Thickness Changes in Recurrent Rhegmatogenous Retinal Detachment

Evaluation of Structural and Functional Retinal Changes in Children With Intermittent Exotropia Versus Healthy Children

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