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  2. 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.

  3. List of abbreviations used in medical prescriptions - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_used...

    right ear a single-storey a can be mistaken as an o which could read "o.d.", meaning right eye ad., add. adde addatur: add let there be added ad lib. ad libitum: Latin, "at one's pleasure"; as much as one desires; freely compare pro re nata, "as needed", which by convention includes an aspect of "up to some maximum".

  4. Radio-frequency identification - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_identification

    Radio-frequency identification ( RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder called a tag, a radio receiver, and a transmitter. When triggered by an electromagnetic interrogation pulse from a nearby RFID reader device, the tag transmits ...

  5. List of medical abbreviations: O - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    OD: once daily (from Latin omne in die) [1] right eye (from Latin oculus dexter) overdose occupational disease: ODC: ornithine decarboxylase OE: otitis externa: O/E: on examination: OFC: orbitofrontal cortex: OGTT: oral glucose tolerance test: OHL: oral hairy leukoplakia OHS: Obesity hypoventilation syndrome: OHT: Orthotopic heart ...

  6. PHP - Wikipedia

    en.wikipedia.org/wiki/PHP

    PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [ 8] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [ 9][ 10] The PHP reference implementation is now produced by the PHP Group. [ 11]

  7. Golden ratio - Wikipedia

    en.wikipedia.org/wiki/Golden_ratio

    The golden ratio is also an algebraic number and even an algebraic integer. It has minimal polynomial. This quadratic polynomial has two roots, and. The golden ratio is also closely related to the polynomial. which has roots and As the root of a quadratic polynomial, the golden ratio is a constructible number.

  8. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    "Take" for R, abbreviation of the Latin word recipe, meaning "take". Most abbreviations can be found in the Chambers Dictionary as this is the dictionary primarily used by crossword setters. However, some abbreviations may be found in other dictionaries, such as the Collins English Dictionary and Oxford English Dictionary.

  9. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance . Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...