| 摘要 |
A retinal image scanning device is provided with at least one light source that emits a light beam, an intensity modulating system that modulates the intensity of the light beam emitted by said at least one light source in accordance with a video signal, an optical system that directs the light beam to a pupil of an observer, a scanning system that scans the light beam in a first direction and in a second direction which is substantially perpendicular to the first direction so that a two-dimensional image frame defined by the first and second directions is formed on a retinal of the observer, and a wavefront curvature modulating system that modulates a wavefront curvature of the light beam when the light beam is scanned in at least one of the first direction and the second direction.
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