: In web development and SEO, a "301" is a status code indicating a permanent redirect from one URL to another.

: The authors developed "Autofocals," an external wearable system that combines tunable lenses with eye-tracking sensors .

Below is a detailed overview of the research and technology detailed in that paper.

: The system uses a depth sensor to determine the distance of the object the user is looking at and adjusts the focus of the liquid-filled lenses in real-time.

The request for a "detailed paper" on most likely refers to supplementary video materials associated with academic publications. In particular, a file named 03-301.mp4 is a documented artifact for the research paper "Autofocals: Gaze-contingent eyeglasses for presbyopes" , which was presented at ACM SIGGRAPH 2018 .

: A digital multimedia container format most commonly used to store video and audio. It is the standard format for academic supplementary materials.