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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. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    Pinhole see Pinhole occluder and Visual_acuity#Legal_definitions: PHNI Pinhole No Improvement see Pinhole occluder and Visual_acuity#Legal_definitions: PHVA Pinhole Visual Acuity: PL Perception of light POH / PrOH Previous ocular history PPA Peri-papillary atrophy Pt Patient RAPD Relative afferent pupillary defect OD Right eye (oculus dexter) Ret.

  6. Jennifer Lopez Makes Stellar Return to the Stage in Plunging ...

    www.aol.com/jennifer-lopez-makes-stellar-return...

    Jennifer Lopez’s comeback to the stage was one of epic proportions.. The singer, actress and producer, 55, was among the stars taking the catwalk by storm at the 1001 Seasons of Elie Saab event ...

  7. 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 ...

  8. Archaeologists Found 123 Ancient Bodies in a Garden—Now, They ...

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    Archaeologists discovered 123 bodies from the 12 th century dumped in a vertical shaft near Leicester Cathedral.. The remains include men, women, and children, and show no signs of violence. The ...

  9. Stressed? Why not bake a cake. Hundreds of strangers did just ...

    www.aol.com/crowd-strangers-brought-613-cakes...

    SAN FRANCISCO – They came from San Francisco; they came from Oakland; they came from New York and Seattle. And each and every one of them brought a cake. A total of 613 cakes, to be exact. At ...

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