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Axis indicator of lensometer
| Глоссарий терминов и сокращений по оптическим линзам |
A device in which a scale from 0? to 180? can be aligned to give the axis of cylinder power on a spectacle lens. b “b” box measurement – in lens measurement, the longest vertical distance from the uppermost point to the lowermost point of a shape.
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Measurement, английский
- Set of operations having the object of determining a value of a quantity (1)
- Измерение. система мер.
- Измерение; замер
- The size, length, etc. of something which has been measured
- Измерение
- Обмер
- Оценка
- Измерение dust ~ измерение концентрации пыли
- Измерение. комплекс операций, имеющих целью определение значе-ния величины [32].
- The process of ascertaining the attributes, dimensions, extent, quantity, degree or capacity of some object of observation and representing these in the qualitative or quantitative terms of a data language. any empirical pursuit that places the observer outside his object of observation must consider measurement the fundamental process through which scientific constructs or models are linked to reality (->index, ->symptom). otherwise measurement is only one section in a circular process of computing a stable form. the traditional levels of measurement are nominal, ordinal, interval and ratio scales.
- The magnitude of the property of an object calibrated against one or more units of measure.
- Измерение. комплекс операций, имеющих целью определение значения величины [32].
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Balance lens, английский
A lens placed in a frame which looks like the lens for the opposite eye to balance cosmetics; similar in thickness and style with no specific rx power.
Axis cylinder, английский
That principal meridian which contains only the spherical power component of a sphero-cylinder lens. axis will intersect a spherical lens of minus power at its thinnest point and a spherical plus lens at its thickest point. axis optical - (x) – an imaginary line at right angles to the surface of a lens, which passes through the optical center. the meridian of least power 90? away from the meridian of greatest power in a cylindrical lens; used in correcting astigmatism.
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