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  2. Eye chart - Wikipedia

    en.wikipedia.org/wiki/Eye_chart

    Landolt C. Lea test. logMAR chart. An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.

  3. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor ...

  4. LogMAR chart - Wikipedia

    en.wikipedia.org/wiki/LogMAR_chart

    The chart was designed by Ian Bailey and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a standardization of the ...

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. List of instruments used in ophthalmology - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.

  7. Orson Scott Card bibliography - Wikipedia

    en.wikipedia.org/wiki/Orson_Scott_Card_bibliography

    Eye for Eye / Tunesmith: 1990: Tor double novel with Lloyd Biggle, Jr. Magic Mirror: 1999: Children's book Robota: 2003: Illustrated book An Open Book: 2004: Collection of poems Ultimate Iron Man: 2005: Comic book series Red Prophet: The Tales Of Alvin Maker: 2006: Comic book series Wyrms: 2006: Comic book series The Space Boy: 2007: Novel ...

  8. List of optometric abbreviations - Wikipedia

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

    Description ( notes ) AC. Anterior chamber. fluid-filled space between the iris and the endothelium. AC 4/4. Grade 4 anterior chamber angle. open angle between cornea and iris. AC 3/4. Grade 3 anterior chamber angle.

  9. List of cartographers - Wikipedia

    en.wikipedia.org/wiki/List_of_cartographers

    Carlo de Candia (1803–1862), Italian cartographer, created the large maritime map of Sardinia in 1: 250,000 scale, travel version. John Bartholomew the elder (26 April 1805 – 8 April 1861), Scottish cartographer and engraver. Henry Peter Bosse (Germany/United States, 1844–1903), also photographer and civil engineer.

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