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Corrective lenses. A corrective lens is a lens worn on or before the eye. They are used to treat myopia, hypermetropia, astigmatism, and presbyopia .
Optical Telescope Element. Spacecraft ( Bus and Sunshield) James Webb Space Telescope mission logo. The James Webb Space Telescope ( JWST) is a space telescope designed to conduct infrared astronomy. Its high-resolution and high-sensitivity instruments allow it to view objects too old, distant, or faint for the Hubble Space Telescope. [10]
Correction pen. A correction fluid is an opaque, usually white fluid applied to paper to mask errors in text. Once dried, it can be handwritten or typed upon. It is typically packaged in small bottles, with lids attached to brushes (or triangular pieces of foam) that dip into the fluid. The brush applies the fluid to the paper.
The Colorado Department of Corrections is the principal department of the Colorado state government [2] that operates the state prisons. It has its headquarters in the Springs Office Park in unincorporated El Paso County, Colorado, near Colorado Springs. [3] [4] [5] The Colorado Department of Corrections runs 20 state-run prisons and also has ...
The Šidák correction is derived by assuming that the individual tests are independent. Let the significance threshold for each test be α 1 {\displaystyle \alpha _{1}} ; then the probability that at least one of the tests is significant under this threshold is (1 - the probability that none of them are significant).
The New York City Department of Correction ( NYCDOC) is the branch of the municipal government of New York City [1] responsible for the custody, control, and care of New York City 's imprisoned population, housing the majority of them on Rikers Island. [2] It employs 8,949 uniformed officers and 2,027 civilian staff, [3] has 543 vehicles, and ...
Specter (sight) Specter OS 4x. The Elcan Specter is a line of multi-role prism sights created by Raytheon ELCAN Optical Technologies originally designed for M16 / M4 family of rifles but now also exists for light machine gun and heavy machineguns. Most of the optics are capable of switching between magnifications and illumination.
Fixation disparity. Fixation disparity is a tendency of the eyes to drift in the direction of the heterophoria. While the heterophoria refers to a fusion-free vergence state, the fixation disparity refers to a small misalignment of the visual axes when both eyes are open in an observer with normal fusion and binocular vision. [1]