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  2. Pinhole occluder - Wikipedia

    en.wikipedia.org/wiki/Pinhole_occluder

    A pinhole occluder is an opaque disk with one or more small holes through it, used by ophthalmologists, orthoptists and optometrists to test visual acuity. The occluder is a simple way to focus light, as in a pinhole camera, temporarily removing the effects of refractive errors such as myopia. Because light passes only through the center of the ...

  3. Subjective refraction - Wikipedia

    en.wikipedia.org/wiki/Subjective_refraction

    An occluder is placed over the eye that is not being tested (e.g.: over the left eye, to test the right eye's vision). A pinhole occluder is then placed before the patient's eye, and their vision is then tested again (each eye separately) to determine if the patient's poor visual acuity is a result of optical irregularities, or pathological issues.

  4. Pinhole glasses - Wikipedia

    en.wikipedia.org/wiki/Pinhole_glasses

    Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera , each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...

  5. Trump has shaped the Supreme Court, but it could still hinder ...

    www.aol.com/trump-shaped-supreme-court-could...

    President-elect Donald Trump's ambitious agenda could face pushback from an institution he has done much to shape: the Supreme Court.

  6. Pinhole (optics) - Wikipedia

    en.wikipedia.org/wiki/Pinhole_(optics)

    Wide-field micrograph of a damaged 80 μm pinhole Natural pinholes formed by tree leaves – Solar eclipse of August 21, 2017 in Washington state. A pinhole is a small circular hole, as could be made with the point of a pin. In optics, pinholes with diameter between a few micrometers and a hundred micrometers are used as apertures in optical ...

  7. Wife of missionary killed in Angola arrested in connection to ...

    www.aol.com/wife-missionary-killed-angola...

    DETROIT LAKES, Minn. — The wife of a Minnesota missionary who was killed in Angola has been arrested in connection with his death, according to Lakes Area Vineyard Church in Detroit Lakes.

  8. Cowboys' Trevon Diggs apologizes to reporter for heated ...

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    Trevon Diggs confronted WFAA’s Mike Leslie for a social media post he made about him during the Cowboys’ loss to the 49ers on Sunday.

  9. 3-pronged parts retriever - Wikipedia

    en.wikipedia.org/wiki/3-Pronged_Parts_Retriever

    The tool is mainly used to retrieve screws, although is also helpful in retrieving jammed bits in the motherboard. They mainly come in sizes ranging from about 4 to 9 inches. The outer shell is usually plastic, although higher end retrievers can have metal casing and reinforced inner material. Other uses include, but are not limited to; paper ...

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