Medial rectus insertion site in cases of acute acquired comitant esotropia associated with excessive digital device usage.

IF 2.1 3区医学 Q2 OPHTHALMOLOGY

Japanese Journal of Ophthalmology Pub Date : 2024-08-31 DOI:10.1007/s10384-024-01113-y

Ayaka Yagasaki, Teiji Yagasaki, Yoshimi Yokoyama

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Abstract

Purpose: To compare the distance of the medial rectus muscle insertion to the limbus (DMIL) between patients with acute acquired comitant esotropia (AACE) associated with excessive digital device usage (EDDU) and exotropic patients.

Study design: Retrospective study.

Methods: The medical records of 72 eyes of 44 patients with EDDU were retrospectively analyzed. The DMIL was measured from the anterior part at the midpoint of the medial rectus muscle insertion into the anterior limbus using a caliper after dissecting the medial rectus muscle with two control sutures at 12 o'clock and 6 o'clock. The DMIL in the non-fixation eye was compared between 44 patients with AACE and 23 patients with exotropia.

Results: The mean daily EDDU was 6.5 ± 3.1 h. The mean cycloplegic refractive errors (spherical equivalent: SE) were - 3.18 ± 2.52 diopters (D) OD and - 3.03 ± 2.42 D OS. The mean DMIL in the 72 eyes of 44 patients with AACE associated with EDDU was 4.30 ± 0.66 mm. The difference in DMIL of non-fixation eyes between 44 AACE patients and 23 exotropic patients was significant (4.28 ± 0.65 mm vs. 5.28 ± 0.50 mm, p < 0.0001). However, the SE in 44 non-dominant eyes of AACE was - 3.08 ± 2.56 D, significantly stronger than - 1.22 ± 1.93 D in the 23 exotropic eyes (p = 0.008).

Conclusion: DMIL in patients with AACE associated with EDDU was significantly shorter. This anatomical anomaly may be an etiology of AACE associated with EDDU.

Abstract Image

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与过度使用数字设备有关的急性获得性合并内斜视病例中的内侧直肌插入部位。

目的：比较与过度使用数字设备（EDDU）相关的急性获得性合并内斜视（AACE）患者和外斜视患者的内侧直肌插入部到角膜缘的距离（DMIL）：研究设计：回顾性研究：方法：回顾性分析44名EDDU患者72只眼睛的病历。使用卡尺从内侧直肌插入前缘的中点的前部测量 DMIL，然后在 12 点钟和 6 点钟位置解剖内侧直肌并缝合两针。对 44 名 AACE 患者和 23 名外斜视患者非固定眼的 DMIL 进行了比较：每天的平均EDDU为6.5±3.1小时。平均屈光不正（球面等效：SE）分别为外侧-3.18±2.52屈光度（D）和外侧-3.03±2.42屈光度（D）。在 44 位伴有 EDDU 的 AACE 患者的 72 只眼睛中，平均 DMIL 为 4.30 ± 0.66 mm。44 名 AACE 患者和 23 名外展性患者的非固定眼 DMIL 差异显著（4.28 ± 0.65 mm vs. 5.28 ± 0.50 mm，p 结论：AACE 相关患者的 DMIL 平均值为 4.30 ± 0.66 mm：伴有EDDU的AACE患者的DMIL明显较短。这种解剖异常可能是AACE伴有EDDU的病因之一。

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来源期刊

Japanese Journal of Ophthalmology 医学-眼科学

CiteScore

4.80

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： The Japanese Journal of Ophthalmology (JJO) was inaugurated in 1957 as a quarterly journal published in English by the Ophthalmology Department of the University of Tokyo, with the aim of disseminating the achievements of Japanese ophthalmologists worldwide. JJO remains the only Japanese ophthalmology journal published in English. In 1997, the Japanese Ophthalmological Society assumed the responsibility for publishing the Japanese Journal of Ophthalmology as its official English-language publication. Currently the journal is published bimonthly and accepts papers from authors worldwide. JJO has become an international interdisciplinary forum for the publication of basic science and clinical research papers.