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KMID : 1011420220270040281
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Journal of Korean Ophthalmic Optics Society
2022 Volume.27 No. 4 p.281 ~ p.286
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Changes in Accommodative Responses between the Moving Target Video Viewed with Augmented Reality and the Real-Time Moving Target Viewed with a Tablet PC Camera
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Moon Se-Jun Moon
Gil Min-Ji
Park Sang-Il
Kang Hyun-Goo
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Abstract
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Purpose: The aim of the present study was to investigate differences when viewing graphic flower-shaped targets with augmented reality and the actual targets with a tablet PC camera.
Methods: We enrolled 13 adults in their 20s, including six men and seven women, with a mean age of 21.84±1.06 years. The transmission-type refractive power-measuring device NVision-K 5001 (Shin-Nippon, Japan) was used. The tablet PC was placed in front of the device to measure the amount of accommodative response when viewing the target video with augmented reality and the real-time moving target with a tablet PC camera. To measure accommodative responses of +1.50, +1.00, +0.50, 0 D, the target positions were set at 0.67, 1, 2, and 5 m.
Results: The difference in the amount of accommodative responses according to the distance between the two methods was approximately 0.08~0.18 D, and the accommodative response was always higher when using the camera than when using augmented reality. Moreover, in case of real-time moving targets viewed with a camera, as the accommodative stimulus increased, the amount of accommodative response increased sequentially.
Conclusions: In this study, compared to viewing the target video with augmented reality, the amount of accommodative responses were larger when the real-time moving targets were viewed with a camera. Further, changes occurred according to the distance.
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KEYWORD
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Augmented Reality, Camera, Accommodative stimulus, Accommodative response
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