Twin Sensor Camera

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Somebody sent me a picture of a compact single-lens dual sensor "USB security camera." The unknown type image sensors placed side-by-side under the single lens:

Is anybody able to figure out the purpose of such a strange integration?

Update: An additional hint I received from the person who sent me the original images is "This sensor(s) is on a module which I believe is responsible for distance measurement (using computer vision), coupled with a laser pointer."

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