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Rods Directly Imaged in Living Eye

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WASHINGTON, June 10, 2011 — The tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. The innovation in adaptive optics will help doctors diagnose degenerative eye disorders sooner, leading to quicker intervention and more effective treatments. "While therapies are only emerging, the ability to see the cells you are trying to rescue represents a critical first step in the process of restoring sight," said Alfredo Dubra of the University of Rochester in New York, who led the team from Rochester, Marquette University and the Medical College of Wisconsin,...Read full article

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    Published: June 2011
    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...
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    ophthalmoscope
    Also referred to as a funduscope, an ophthalmoscope is a specialized instrument used by ophthalmologists for observing and photographing the fundus (interior) of the eye which includes the retina, macula, fovea, optic disc, macula, and posterior pole. The ophthalmoscope consists of a concave mirror with an orifice at the center through which the viewer examines the eye. A light source is then reflected to the eye from the mirror. A set of lenses are then rotated in front of the hole in the...
    retina
    1. The photosensitive membrane on the inside of the human eye. 2. A scanning mechanism in optical character generation.
    adaptive opticsAlfredo DubraAmericasastronomyBasic ScienceBiophotonicscamerascone cellsDavid Williamsdegenerative eye disordershuman eyeImagingJoseph Carrolllenseslight-sensing cellsMarquette UniversityMedical College of WisconsinmirrorsNew Yorkophthalmoscopeoptical engineeringOpticsOSAResearch & Technologyretinascanning laserSteve BurnsUniversity of RochesterWashington DCLasers

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