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Primary position

Position of the eye relative to the head looking straight ahead at an object at eye level.

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  • Part of Speech: noun
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  • Blossary:
  • Industry/Domain: Eyewear
  • Category: Optometry
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Related terms

primary position
Eyewear; Optometry

Position of the eye relative to the head looking straight ahead at an object at eye level.

primary position readout
Medical devices; Radiology equipment

Display of the primary sensor position for a particular axis. See secondary position readout.

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The auxiliary organization in the Church for children from ages eighteen months through eleven years.

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Language; Grammar

Grammatically correct placement of a word form in a phrase or sentence in relation to other word forms.

position
Banking; Investment banking

In derivatives or securities trading, a particular investment that is entered into in a security. See long position, short position.

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Education; SAT vocabulary

The manner in which a thing is placed.

ophthalmoscope
Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle
Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...

optical material
Eyewear; Optometry

Transparent material capable of being manufactured into optical components.

optical radiation hazard
Eyewear; Optometry

Possibility of damage to the retina by optical radiation.

optical centre
Eyewear; Optometry

For practical purposes, the intersection of the optical axis with the front surface a lens.

ophthalmoscope
Optometry; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

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