| 摘要 |
An eye-covering article, such as sunglasses, capable of being worn by a bearer, the eye-covering article having an interference pattern corresponding to a predetermined three-dimensional object holographically prerecorded in a planar hologram layer, the interference pattern capable of being "played back" to an observer without being "played back" to said bearer. Functionality of the eye-covering article is effected in part by a light transmissive eyepiece, the eyepiece preferably comprising in sequence a web, a planar layer comprising the holographically prerecorded interference pattern, an adhesive layer, and a rigid optical substrate.
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