| 摘要 |
<p>A method and apparatus (10, 12) for testing individuals having a sub-optimal central field of vision so as to identify areas (21) within the visual field in which images (C) can be perceived and for determining effects of contrast sensitivity and distortion within such areas such that visual images may be presented, after being enhanced, so as to modify the images in accordance with tested parameters, so that the individual will perceive the images in an improved manner.</p> |
