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Roof prism. A roof pentaprism used in Single-lens reflex cameras; the lower right face is the roof ( dach ). A roof prism, also called a Dachkanten prism or Dach prism (from German: Dachkante, lit. "roof edge"), is a reflective prism containing a section where two faces meet at a 90° angle, resembling the roof of a building and thus the name.
The Corrective Optics Space Telescope Axial Replacement ( COSTAR) is an optical correction instrument designed and built by NASA. It was created to correct the spherical aberration of the Hubble Space Telescope ' s primary mirror, which incorrectly focused light upon the Faint Object Camera (FOC), Faint Object Spectrograph (FOS), and Goddard ...
March 3: Washington, D.C.'s statute authorizing same-sex marriages takes effect. [155] April 1: The 2010 United States census becomes the first to track same-sex-led households, both married and unmarried. [156] July 8: Judge Joseph Tauro of the U.S. District Court of Massachusetts holds in two related cases ( Gill v.
Gluteoplasty (Greek gloutόs, rump + plassein, to shape) denotes the plastic surgery and the liposuction procedures for the correction of congenital, traumatic, and acquired defects/deformities of the buttocks and the anatomy of the gluteal region; and for the aesthetic enhancement (by augmentation or by reduction) of the contour of the ...
This is a timeline of Roman history, comprising important legal and territorial changes and political events in the Roman Kingdom and Republic and the Roman and Byzantine Empires. To read about the background of these events, see Ancient Rome and History of the Byzantine Empire . Following tradition, this timeline marks the deposition of ...
This is the first English translation of the Bible to be authorised for use in parish churches. 1539. Second Act of Dissolution; Henry VIII intervenes to halt the doctrinal reformation. 1540, 6 January. Henry marries Anne of Cleves. 1540, 9 July. Henry's marriage to Anne of Cleves is annulled. 1540, 28 July.
4 dioptre prism, either loose or prism bar; Bright lighting conditions; Method of assessment. As it is an objective test, few instructions are required to be given to the patient. The patient is asked to fixate on a target while the examiner places a 4 prism dioptre base-out prism over the patient's eye, observing the response of the fellow eye.
“This will be my fifth surgery on my leg,” she confessed. “Look I’m not complaining I’m just saying I’ve had lots of surgeries. I’m sick of it. I don’t like anesthesia and I’m ...