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Eyeglasses inspire blind-spot-free car mirror

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Ashley N. Rice, [email protected]

Progressive adaptive optics technology used in bi- and trifocal vision correction has been applied to a prototype automobile side mirror that has no blind spot and that does not distort images. In North America, only passenger-side mirrors can have a “fish eye”-type wide-angle distortion that causes objects in the mirror to appear smaller and farther away than they actually are; driver’s-side mirrors are required to be flat and distortion-free. These flat mirrors provide a more accurate assessment of the nearness of other vehicles, but they also lose sight of cars that...Read full article

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    Published: April 2013
    Glossary
    adaptive optics
    Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of atmospheric distortions. The Earth's atmosphere can cause light passing through it to experience distortions, resulting in image blurring and degradation in various optical applications, such as astronomical observations, laser communications, and imaging systems. Adaptive optics systems actively adjust the optical elements in real-time to compensate for these distortions. Key...
    blind spot
    The spot on the retina where the optic nerve is attached; it is incapable of sensing light because of the absence of light receptors.
    adaptive opticsAmericasAsia-Pacificblind spotDohyun Kimfish-eye mirrorflat mirrorHanbat National UniversityHocheol Leeindustriallensesmirrorsnondistorting mirrorOpticsOregonPortland State Universityprogressive adaptive opticsprogressive opticsprogressive zoneResearch & Technologyside mirrorsSouth Koreaspherical convex mirrorSung YiTech Pulsewide-angle mirror

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