# Investigation of Camera-Free Eye-Tracking Glasses Compared to a Video-Based System

> Research article (Sensors, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4386542258](https://www.wikidata.org/wiki/openalex:W4386542258)  
**Source**: https://4ort.xyz/entity/investigation-of-camera-free-eye-tracking-glasses-compared-to-a-video-based-system