Patent 11403881 was granted and assigned to PayPal on August, 2022 by the United States Patent and Trademark Office.
According to an aspect of an embodiment of the present disclosure, a device may include an optical scanner, a display, and one or more storage media storing instructions. The device may also include one or more processors configured to execute the instructions to cause the device to perform operations. The operations may include presenting content to a user of the device via the display, and capturing a depiction of an eye of the user via the optical scanner. The operations may also include comparing a size of a pupil of the eye of the user in the depiction to a reference size of a pupil stored in the one or more storage media to determine an amount of dilation of the eye of the user. The method may also include modifying, based on the amount of dilation, the presentation of the content.