Virtual Reality-Based Screening Tool for Distance Horizontal Fusional Vergence in Orthotropic Young Subjects: A Prospective Pilot Study.

Jhih-Yi Lu, Yin-Cheng Liu, Jui-Bang Lu, Ming-Han Tsai, Wen-Ling Liao, I-Ming Wang, Hui-Ju Lin, Yu-Te Huang

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Article in Life (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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8 authors.

Jhih-Yi LuEye Center, China Medical University Hospital, Taichung 404327, Taiwan.ORCID 0009-0007-1899-8437

Yin-Cheng LiuDepartment of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan.

Jui-Bang LuDepartment of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan.

Ming-Han TsaiDepartment of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan.

Wen-Ling LiaoGraduate Institute of Integrated Medicine, China Medical University, Taichung 406040, Taiwan.

I-Ming WangGenetic Center, Department of Medical Research, China Medical University Hospital, Taichung 40447, Taiwan.

Hui-Ju LinEye Center, China Medical University Hospital, Taichung 404327, Taiwan.ORCID 0000-0003-2606-8540

Yu-Te HuangEye Center, China Medical University Hospital, Taichung 404327, Taiwan.ORCID 0000-0002-9246-8756

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This prospective pilot study aimed to develop and evaluate a VR-based screening tool for assessing distance fusional vergence amplitude in healthy orthotropic young adults aged 18 to 30 years. A VR-based balloon-hitting game was used to measure hitting deviation angles and total vergence amplitudes under five conditions: control (0 prism diopter [PD]), inward image rotation for 10 and 20 PD (negative fusional vergence [NFV] 10/20 groups), and outward image rotation for 10 and 20 PD (positive fusional vergence [PFV] 10/20 groups). Of the 20 subjects recruited, one was excluded due to esotropia, leaving 19 participants (mean age: 22.2 ± 2.2 years; 13 wore glasses and 3 were female). In the control group, the mean hitting deviation was 0.65 ± 0.25 PD. The PFV 10 PD group showed similar deviation (0.67 ± 0.25 PD,

Indexed as

negative fusional vergencepositive fusional vergencescreening tooltotal vergence amplitudevirtual reality

Identifiers

PMID40868934

DOI10.3390/life15081286

PMCPMC12387583

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.