Controlling vision correction using eye tracking and depth detection
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United States of America Patent
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Apr 14, 2020
Grant Date -
Dec 22, 2016
app pub date -
Dec 17, 2013
filing date -
Dec 17, 2013
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Abstract
Technologies for controlling vision correction include a wearable computing device having a variable lens, an eye tracking sensor, and a depth sensor. The focal length of the variable lens is electronically adjustable. The wearable computing device determines a gaze direction of a user as a function of eye tracking sensor data received from the eye tracking sensor. The distance to an object positioned in the gaze direction is determined as a function of depth data received from the depth sensor. A new focal length is determined as a function of the distance to the object, and the focal length of the variable lens is adjusted to the new focal length. The new focal length may be selected from a set of pre-defined focal lengths based on the distance to the object or calculated based on the distance to the object. Other embodiments are described and claimed.
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