In the textbook group, diopter showed a decreasing trend as reading duration increased, while diopter showed a slight increase with reading duration in the virtual distant viewing group.
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Effects of virtual distant viewing technology on preventing nearwork-induced ocular parameter changes.
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The sentences
In the textbook group, choroidal thickness showed a decreasing trend as reading duration increased, while diopter showed an increasing trend with reading duration in the virtual distant viewing group.