A COMPARISON OF THE EFFECTIVENESS OF DIFFERENT TYPES OF VIDEO GAME TREATMENT FOR AMBLYOPIA
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Zou Vito
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Patching the normal eye for more than two hours daily is the standard method for treating amblyopia, although compliance issues often obstruct treatment efficacy. Video game (VG) treatment is an engaging alternative for treating amblyopia, but its newness causes its effectiveness and weaknesses to be unknown. Through the review of literature, this study aims to find the most effective form of VG treatment and compare the effectiveness between different types of VG treatment. Four features of VG – game graphics type, genre, the device used, and the type of visual stimuli provided - were categorized. The improvement in visual acuity (VA) is measured in logMAR. Different categories of the four variables were compared to each other using the value of the average visual acuity (VA) improvement. Results show that virtual reality (VR) games are more effective than 2D and 3D games, with an average VA improvement of 0.37 logMAR. The action game genre is the most effective game genre associated with an average of 0.25 logMAR improvement, significantly more than strategy and casual games. For devices, the most effective type of device is VR of an unspecified immersion (unclear if it is immersive or non-immersive) with an average improvement of 0.62 logMAR. Treatments that provided only monocular visual stimuli were slightly more effective than dichoptic and binocular treatments. Limitations of this study are discussed. This literature review study suggests an optimized form of video game treatment may be superior to patching, as patients can improve at a faster rate.
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Zou Vito
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