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Eye examination for visual acuity. Visual acuity is a measure of the spatial resolution of the visual processing system. VA, as it is sometimes referred to by optical professionals, is tested by requiring the person whose vision is being tested to identify so-called optotypes – stylized letters, Landolt rings, pediatric symbols, symbols for the illiterate, standardized Cyrillic letters in ...
Veterans' health care in the United States is separated geographically into 19 regions (numbered 1, 2, 4–10, 12 and 15–23) [1] known as VISNs, or Veterans Integrated Service Networks, into systems within each network headed by medical centers, and hierarchically within each system by division level of care or type.
The Veterans Health Administration (VHA) is the component of the United States Department of Veterans Affairs (VA) led by the Under Secretary of Veterans Affairs for Health [2] that implements the healthcare program of the VA through a nationalized healthcare service in the United States, providing healthcare and healthcare-adjacent services to veterans through the administration and operation ...
The United States Department of Veterans Affairs ( VA) is a Cabinet -level executive branch department of the federal government charged with providing lifelong healthcare services to eligible military veterans at the 170 VA medical centers and outpatient clinics located throughout the country. Non-healthcare benefits include disability ...
1 kg⋅m 2 ⋅s −3. The volt-ampere ( SI symbol: VA, [ 1] sometimes V⋅A or V A) is the unit of measurement for apparent power in an electrical circuit. It is the product of the root mean square voltage (in volts) and the root mean square current (in amperes ). [ 2] Volt-amperes are usually used for analyzing alternating current (AC) circuits.
The R-value is a measure of an insulation sample's ability to reduce the rate of heat flow under specified test conditions. The primary mode of heat transfer impeded by insulation is conduction, but insulation also reduces heat loss by all three heat transfer modes: conduction, convection, and radiation.
The Holmes and Rahe stress scale ( / reɪ /) [ 1], also known as the Social Readjustment Rating Scale, is a list of 43 stressful life events that can contribute to illness. The test works via a point accumulation score which then gives an assessment of risk. The American Institute of Stress, for instance, regards a score of 300 or more as an ...
T3 or T3R - Tier 3 or Tier 3 Reinvestigation, now replace all NACLC. T5 and T5R - Tier 5 or Tier 5 Reinvestigation, now replace SSBI and SBPR respectively. Yankee White – An investigation required for personnel working with the President and Vice President of the United States. Obtaining such clearance requires, in part, an SSBI.