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  2. List of optometric abbreviations - Wikipedia

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

    List of optometric abbreviations Certain abbreviations are current within the profession of optometry. They are used to denote clinical conditions, examination techniques and findings, and various forms of treatment.

  3. Commercial driver's license - Wikipedia

    en.wikipedia.org/wiki/Commercial_driver's_license

    Commercial driver's license. A commercial driver's license is required to operate a tractor-trailer for commercial use. A commercial driver's license ( CDL) is a driver's license required in the United States to operate large and heavy vehicles (including trucks, buses, and trailers) or a vehicle of any size that transports hazardous materials ...

  4. 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 ...

  5. Eye chart - Wikipedia

    en.wikipedia.org/wiki/Eye_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. Ophthalmologists, physicians who specialize in the eye, also use eye charts to monitor ...

  6. Sloan letters - Wikipedia

    en.wikipedia.org/wiki/Sloan_letters

    True Sloan letters as described in the original article of Louise L. Sloan (1959). Sloan letters, designed by Louise Sloan in 1959, are a set of optotypes used to test visual acuity generally used in Snellen charts and logMAR charts. This set of optotypes consists of ten specially formed "letters", C, D, H, K, N, O, R, S, V and Z. [1] These ...

  7. Organization of the New York City Police Department - Wikipedia

    en.wikipedia.org/wiki/Organization_of_the_New...

    The New York City Police Department Highway District is a specialized unit under the auspices of the NYPD 's Transportation Bureau primarily responsible for patrolling and maintaining traffic safety on limited-access highways within New York City.

  8. Commercial Driver's License Information System - Wikipedia

    en.wikipedia.org/wiki/Commercial_Driver's_License...

    The information at the Central Site constitutes a driver's unique CDLIS Master Pointer Record (MPR). The jurisdiction nodes store the Driver History Records (DHRs), which include driver identification information, license information, history of convictions, and history of withdrawals for each commercial driver licensed by the particular state.

  9. Landolt C - Wikipedia

    en.wikipedia.org/wiki/Landolt_C

    The Landolt C, also known as a Landolt ring, Landolt broken ring, or Japanese vision test, is an optotype: a standardized symbol used for testing vision. It was developed by the Swiss-born ophthalmologist Edmund Landolt . The Landolt C consists of a ring that has a gap, thus looking similar to the letter C. The gap can be at various positions ...

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