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Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image rotated 180°. A double Porro system provides four ...
Electronic prescription ( e-prescribing or e-Rx) is the computer-based electronic generation, transmission, and filling of a medical prescription, taking the place of paper and faxed prescriptions. E-prescribing allows a physician, physician assistant, pharmacist, or nurse practitioner to use digital prescription software to electronically ...
Pre-exposure prophylaxis is a general term for the use of medications to prevent the spread of disease in people who have not yet been exposed to a disease-causing agent. The term PrEP now typically refers to the use of antiviral drugs as a strategy for the prevention of HIV/AIDS. [1] PrEP is one of a number of HIV prevention strategies for ...
Homonymous hemianopsia. Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half ...
A Wollaston prism is an optical device, invented by William Hyde Wollaston, that manipulates polarized light. It separates light into two separate linearly polarized outgoing beams with orthogonal polarization. [1] The two beams will be polarized according to the optical axis of the two right angle prisms. The Wollaston prism consists of two ...
Ashvamedha. Ashvamedha yajna of Yudhisthira. The Ashvamedha ( Sanskrit: अश्वमेध, romanized : aśvamedha) [1] was a horse sacrifice ritual followed by the Śrauta tradition of Vedic religion. It was used by ancient Indian kings to prove their imperial sovereignty: a horse accompanied by the king's warriors would be released to ...
Deck prism. A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below. [1] [2] [3] For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks. Before electricity, light below a vessel's deck was provided by candles, oil and kerosene lamps ...
Crime Watch. (TV series) Crime Watch is a Trinbagonian television program presented by host Ian Alleyne, to help profile and assist law enforcement in the apprehension of fugitives wanted for various crimes, including murder, rape, kidnapping, child molestation, white collar crime, organized crime, armed robbery and gang violence .