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Website. www .vao .org .uk. Vision Action (formerly Vision Aid Overseas - VAO) is a registered charity [1] in the United Kingdom, which provides optical aid and services to developing countries in Africa .
Cleaning station. A reef manta ray at a cleaning station, maintaining a near stationary position atop a coral patch for several minutes while being cleaned. A rockmover wrasse being cleaned by Hawaiian cleaner wrasses on a reef in Hawaii. Some manini and a filefish wait their turn. A cleaning station is a location where aquatic life congregate ...
Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...
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A safety shower is a unit designed to wash an individual's head and body which has come into contact with hazardous chemicals. Large volumes of water are used and a user may need to take off any clothing that has been contaminated with hazardous chemicals. Safety showers cannot be used for flushing an individual's eyes, due to the high pressure ...
The larger front lenses in the 8×40 also produce wider beams of light (exit pupil) that leave the eyepieces. This makes it more comfortable to view with an 8×40 than an 8×25. A pair of 10×50 binoculars is better than a pair of 8×40 binoculars for magnification, sharpness and luminous flux.
A Marine Corps Reconnaissance Battalion consists of five companies - a Headquarters Company and four "line" companies named Alpha, Bravo, Charlie and Force. Each line company has a headquarters element and two platoons - a reconnaissance and surveillance (R&S) platoon and a visit, board, search, and seizure ( VBSS) platoon.
July 23, 2024 at 4:00 PM. By David French. (Reuters) -Wall Street's main indexes closed slightly lower on Tuesday, as investors awaited direction from the latest earnings from Alphabet and Tesla ...