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3-D Augmented-Reality Device Easier on the Eyes

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A new device aims to make augmented reality (AR) technology easier on the eyes. Developed by researchers at the University of Arizona and the University of Connecticut, the OST-HMD (optical see-through head-mounted display) device is similar to Google Glass in that it superimposes 2-D computer-generated images in the user’s direct view. However, transitioning between 2-D images and the 3-D physical world can cause strain on the eyes, particularly at short distances as a result of what’s called the accommodation-convergence mismatch problem: essentially the eye’s...Read full article

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    Published: May 2014
    Glossary
    augmented reality
    Augmented reality (AR) is a technology that integrates digital information, typically in the form of computer-generated graphics, images, or data, with the real-world environment in real-time. AR enhances the user's perception of the physical world by overlaying or combining digital content onto the user's view of the real world, often through devices like smartphones, tablets, smart glasses, or specialized AR headsets. Key features and principles of augmented reality: Real-time...
    freeform optics
    Freeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes, such as spheres or aspheres. Unlike standard optical components with symmetric and rotationally invariant surfaces, freeform optics feature non-rotationally symmetric and often complex surfaces. These surfaces can be tailored to meet specific optical requirements, offering greater flexibility in designing optical systems and achieving improved performance. Key points about...
    2D3-DARaugmented realityBiophotonicscamerasConsumerdefensefreeform opticsGoogle GlassImagingindustriallensesmilitaryOpticsResearch & TechnologyTech PulseUniversity of ArizonaUniversity of ConnecticutOST-HMDoptical see-through head-mounted displaysuperimposeaccommodation-convergence mismatchHong Huamicroscopic integral imaging

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