| 摘要 |
<p>Methods and equipment to improve the visual ability of a subject during athletic activities are provided. One such method includes configuring a sporting object to visually approximate the appearance of a background or configuring a background to visually approximate the appearance of a sporting object. A subject may then train using the sporting object visually in front of the low contrast background. A background where the visual appearance of the background comprises at least one depiction of the sporting object may be used. A subject may then train using the sporting object visually in front of the background.</p> |
