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HomePage	false	title tagline Pupil Labs Documentation Official docs for users getting started with their Pupil Labs eye tracking glasses and for developers working on eye tracking applications and integrations.	title details image link Neon Neon is our most powerful eye tracker. It features research-grade gaze and pupil diameter estimation, industry-leading robustness in real-world applications, and a pleasant calibration-free user experience. /neon-docs_overview_card-v3.webp text href Enter Documentation /neon/ title details image link Pupil Invisible Pupil Invisible was the world's first calibration-free eye tracker and set new standards for robustness in real-world applications. It is now deprecated and replaced by Neon. /invisible-doc.webp text href Enter Documentation /invisible/ title details image link Pupil Core Pupil Core is a modular and more affordable eye tracker. It comes with open-source software and was the first eye tracker Pupil Labs created. /core-doc.webp text href Enter Documentation /core/	title tagline action cards Alpha Lab This is the space for our latest experiments with our tools. Alpha Lab is not a place for official product documentation. Everything you find here should be considered a work in progress, and may even be a bit rough around the edges. text link View all articles /alpha-lab/ title details link Define Areas of Interest and Gaze Metrics Define areas of interest and compute gaze metrics, such as dwell time and time to first fixation, with data downloaded from Pupil Cloud's Reference Image Mapper. text href View /alpha-lab/gaze-metrics-in-aois/#define-aois-and-calculate-gaze-metrics