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OD oculus dexter (right eye) OH Ocular history OMB Oculo motor balance ONH Optic nerve head Oph Ophthalmoscopy OS oculus sinister (left eye) OU oculus uterque (both eyes) PD Pupillary distance PERRLA Pupils equal, round, reactive to light and accommodation PH Pinhole see Pinhole occluder and Visual_acuity#Legal_definitions: PHNI
Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
AAA – Anti-aircraft artillery "Triple A". AAAV – Advanced Amphibious Assault Vehicle. AAC – Army Acquisition Corps. AAD – Armored amphibious dozer. AADC – Area air defense commander. AAE – Army acquisition executive. AAG – Anti-aircraft gun. AAK – Appliqué armor kit (US) AAL – Additional authorization list.
This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps.Many of the words or phrases have varying levels of acceptance among different units or communities, and some also have varying levels of appropriateness (usually dependent on how senior the user is in rank [clarification needed]).
The Department of Defense Dictionary of Military and Associated Terms is a compendium of terminology used by the United States Department of Defense (DOD). The print version consists of 574 pages of terms and 140 pages of acronyms . It sets forth standard US military and associated terminology to encompass the joint activity of the Armed Forces ...
SNAFU is widely used to stand for the sarcastic expression Situation Normal: All Fucked Up, as a well-known example of military acronym slang. However, the military acronym originally stood for "Status Nominal: All Fucked Up." It is sometimes bowdlerized to all fouled up or similar. [5]
Breach: a gap in fortified or battle lines. Breakout: exploiting a breach in enemy lines so that a large force (division or above) passes through. Bridgehead and its varieties known as beachheads and airheads. Camouflet. Chalk: a group of paratroopers or other soldiers that deploy from a single aircraft.
List of initialisms, acronyms ("words made from parts of other words, pronounceable"), and other abbreviations used by the government and the military of the United States. Note that this list is intended to be specific to the United States government and military—other nations will have their own acronyms.