Open Source Credits

OphthoRuler and this website are built on the work of others. The licence terms of each component are reproduced or linked below. Authors have no involvement in OphthoRuler, do not endorse it, and take no responsibility for it.

Photo credits

Sample portraits in the screenshots are used under the Unsplash License.

• Sample portrait: Ahmed Elnokrashy · Unsplash License
• Sample portrait: Daniil Lebedev · Unsplash License
• Sample portrait: Irene Strong · Unsplash License
• Sample portrait: Jaime Lopes · Unsplash License
• Sample portrait: Jurica Koletić · Unsplash License
• Sample portrait: Mahdi Pourarab · Unsplash License
• Sample portrait: Nartan Büyükyıldız · Unsplash License
• Sample portrait: Nartan Büyükyıldız · Unsplash License

Machine-learning models and ported code

Bundled in the app. Full notices are in the Third-Party Notices.

• FaceMesh (George Grigorev; from Google MediaPipe) · Apache License 2.0
• IrisLandmark (Cédric Ménard; from Google MediaPipe) · Apache License 2.0
• LightIrisNet (Venkataswamy et al.) · MIT License, Copyright (c) 2026 Naveenkumar GV
• GazeTracking (Antoine Lamé) · MIT License, Copyright (c) 2019 Antoine Lamé
• BIP39 English word list (Palatinus, Rusnak, Voisine, Bowe) · MIT License

Website software

Used to build and host this site; no third-party code runs in your browser.

• Astro · MIT License
• Sharp · Apache License 2.0

Fonts

Subsetted and self-hosted.

• Nunito Sans (Vernon Adams, Jacques Le Bailly, Manvel Shmavonyan, Alexei Vanyashin) · SIL Open Font License 1.1
• JetBrains Mono (JetBrains) · SIL Open Font License 1.1