| 摘要 |
The present invention provides a viewing apparatus for simulating visual impairment. In one embodiment, the apparatus includes a frame defining a viewing area and first and second lenses supported by the frame. The first lens is disposed in a first region of the viewing area. The second lens is disposed in at least a second region of the viewing area. The first and second lenses have different image distortion patterns. In another embodiment, the apparatus may include frame and a lens supported by the frame. The lens includes a first plurality of image distorting features disposed in a first region of the lens; and a second plurality of image distorting features defined in the first region of the lens.
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