| The Ocular Fatigue of Watching Three-Dimensional (3D) Images. |
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Junki Kwon, Su Yeon Kang, Kyun Hyung Kim, Young Woo Suh, Jae Ryung Oh, Seung Hyun Kim, Hyo Myung Kim, Jong Suk Song |
1Department of Ophthalmology, Korea University College of Medicine, Seoul, Korea. crisim@korea.ac.kr
2Department of Ophthalmology, Gachon University of Medicine and Science, Incheon, Korea. |
| 삼차원(3D) 영상 시청이 눈 피로에 미치는 영향 |
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권준기1⋅강수연1⋅김균형2⋅서영우1⋅오재령1⋅김승현1⋅김효명1⋅송종석1 |
Department of Ophthalmology, Korea University College of Medicine1, Seoul, Korea
Department of Ophthalmology, Gachon University of Medicine and Science2, Incheon, Korea |
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| Abstract |
PURPOSE
To compare ocular fatigue, non-ocular symptoms, and ocular surface changes, such as tear break-up time (BUT) and ocular surface temperature, after watching 2-dimensional (2D) and 3-dimensional (3D) images. METHODS: Fourteen volunteers were enrolled in the present study. Subjects watched 2D as well as 3D images and answered questions regarding ocular fatigue and general symptoms such as headache. Before and after watching images, the spherical equivalent, degree of conjunctival injection, tear BUT, and ocular surface temperature were measured and the amount of change was analyzed. While watching images, subjects answered questions regarding ocular fatigue and the time when they began to feel definitive symptoms. RESULTS: Watching 3D images induced a greater degree of ocular fatigue, headache, and decreasing concentration than watching 2D images (p = 0.038, 0.003, and 0.045, respectively). While watching images, 3D images induced a greater degree of ocular fatigue than 2D images and caused subjects to feel earlier ocular fatigue (3D: 54.86 min, 2D: 78.57 min, p = 0.002). Spherical equivalents became more myopic after watching 3D images. CONCLUSIONS: After watching 3D images, a greater degree of ocular fatigue, headache, and decreasing concentration was induced and a shorter time to feel definitive ocular fatigue was observed than after watching 2D images. In addition, spherical equivalents changed myopically after watching 3D images. |
| Key Words:
Ocular fatigue;Three-dimensional (3D) image |
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