The projection technology called direct retinal projector will feature one or more controllers, a scanning mirror, an ellipsoid mirror, a projector, an adjustable focusing lens and a position sensing detector.source https://timesofindia.indiatimes.com/gadgets-news/apple-glasses-may-have-a-direct-retinal-projector-that-can-project-a-screen-over-your-eyes/articleshow/87302909.cms
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