A Novel Device for Vergence Exercises: Testing Automatic Dual Rotational Risley Prisms on Asymptomatic Adults and Patients with Convergence Insufficiency.

IF 2.6 3区医学 Q2 OPHTHALMOLOGY

Ophthalmology and Therapy Pub Date : 2024-12-01 Epub Date: 2024-10-28 DOI:10.1007/s40123-024-01055-1

Ya-Yu Chen, Yun-Shao Hu, Shuan-Yu Huang, Tzu-Hsun Tsai

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引用次数: 0

Abstract

Introduction: This study investigated the effects of automatic dual rotational Risley prisms (ADRRPs), a mobile phone application-operated device, on vergence abilities in young adults.

Methods: Fifty-six participants aged 20-24 performed vergence exercises. The test group used prisms with power changes from 30Δ base-out to 10Δ base-in, while the control group used plano lenses for 10 min. Ophthalmic examinations included lateral heterophoria, near point of convergence (NPC), vergence facility (VF), negative fusional vergence (NFV), and positive fusional vergence (PFV), all measured before and after the vergence exercises. Pre- and post-test results were analyzed using a paired sample t test. Additionally, three cases with convergence insufficiency (CI) performed similar exercises for 12 weeks.

Results: Participants were divided into the test group (n = 39; age 21.82 ± 1.10 years) and control group (n = 17; age 20.53 ± 0.51 years). In the test group, NPC improved from 6.11 ± 2.52 cm to 5.77 ± 2.30 cm (p = 0.023). VF increased from 13.75 ± 4.10 cpm to 16.50 ± 4.42 cpm (p = 0.007). PFV at 6 m and 0.4 m increased from 19.49 ± 6.77∆ to 22.19 ± 6.64∆ (p < 0.001) and 20.51 ± 7.05∆ to 22.69 ± 6.44∆ (p = 0.012), respectively. After 12 weeks, convergence insufficiency symptom survey scores for cases with CI decreased significantly, with NPC improving from 7.0 to 0 cm, 6.0 to 5.8 cm, and 6.0 to 4.7 cm. PFV increased from 10 to 25∆, 20 to 30∆, and 25 to 50∆.

Conclusion: This preliminary study showed the effect of ADRRPs on improving vergence abilities. Further studies are needed to investigate the long-term sustainability and effects in a larger population of individuals with CI of this approach.

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用于辐辏练习的新型设备：在无症状成人和辐辏障碍患者身上测试自动双旋转 Risley 棱镜。

简介：本研究调查了自动双旋转瑞斯利棱镜（ADRRPs）这一手机应用操作设备对青少年视力的影响：本研究调查了自动双旋转瑞斯利棱镜（ADRRPs）--一种由手机应用软件操作的设备--对青壮年辐辏能力的影响：方法：56 名 20-24 岁的参与者进行了辐辏练习。测试组使用的三棱镜功率变化范围从基底向外30Δ到基底向内10Δ，而对照组则使用平光镜10分钟。眼科检查包括侧方异视、近辐辏点（NPC）、辐辏功能（VF）、负性融合辐辏（NFV）和正性融合辐辏（PFV），均在辐辏训练前后进行测量。测试前后的结果采用配对样本 t 检验进行分析。此外，三名辐辏功能不全（CI）患者也进行了为期 12 周的类似练习：参与者分为测试组（39 人；年龄 21.82 ± 1.10 岁）和对照组（17 人；年龄 20.53 ± 0.51 岁）。在测试组中，NPC 从 6.11 ± 2.52 厘米降至 5.77 ± 2.30 厘米（p = 0.023）。VF 从 13.75 ± 4.10 cpm 增加到 16.50 ± 4.42 cpm（P = 0.007）。6 米和 0.4 米处的 PFV 从 19.49 ± 6.77∆ 增加到 22.19 ± 6.64∆ （p 结论：这一初步研究表明，ADT 对心肌梗死的治疗效果显著：这项初步研究表明，ADRRPs 对提高辐辏能力有一定作用。还需要进一步研究这种方法在更多 CI 患者中的长期可持续性和效果。

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来源期刊

Ophthalmology and Therapy OPHTHALMOLOGY-

CiteScore

4.20

自引率

3.00%

发文量

157

审稿时长

6 weeks

期刊介绍： Aims and Scope Ophthalmology and Therapy is an international, open access, peer-reviewed (single-blind), and rapid publication journal. The scope of the journal is broad and will consider all scientifically sound research from preclinical, clinical (all phases), observational, real-world, and health outcomes research around the use of ophthalmological therapies, devices, and surgical techniques. The journal is of interest to a broad audience of pharmaceutical and healthcare professionals and publishes original research, reviews, case reports/series, trial protocols and short communications such as commentaries and editorials. Ophthalmology and Therapy will consider all scientifically sound research be it positive, confirmatory or negative data. Submissions are welcomed whether they relate to an international and/or a country-specific audience, something that is crucially important when researchers are trying to target more specific patient populations. 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