laser safety spectacles

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• Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… …   Wikipedia

• Laser harp — A laser harp is an electronic musical instrument consisting of several laser beams to be blocked, in analogy with the plucking of the strings of a harp, in order to produce sounds. It was popularized by Jean Michel Jarre in his concerts.The term… …   Wikipedia

• International Laser Display Association — The International Laser Display Association (ILDA) is a leading worldwide non profit trade association dedicated to advancing the use of laser displays in art, entertainment and education. It was founded in August 1986. ILDA sponsors an annual… …   Wikipedia

• Glasses — Glasses, also called eyeglasses or spectacles, are frames bearing lenses worn in front of the eyes, normally for vision correction, eye protection, or for protection from UV rays.Modern glasses are typically supported by pads on the bridge of the …   Wikipedia

• UK Opticians (retailers) — In the United Kingdom, businesses that sell prescription spectacles and contact lenses are referred as opticians , after the profession of that name (see UK Opticians). Total revenue for opticians in the UK was £2.4 billion in 2006 from the two… …   Wikipedia

• List of United States inventions — 1700s1731 Sextant * The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in… …   Wikipedia

• Sunglasses — For the Divine Brown song, see Sunglasses (song). Wearing sunglasses under direct sunlight: Large lenses offer good protection, but broad temple arms are also needed against stray light from the sides. Sunglasses or sun glasses are a form of… …   Wikipedia

• education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …   Universalium

• Jean Michel Jarre — Infobox musical artist Name = Jean Michel Jarre Img size = 200 Background = non vocal instrumentalist Born = birth date and age|1948|8|24 Origin = Lyon, France Instrument = Synthesizer, keyboard Genre = Electronic music, instrumental music, New… …   Wikipedia

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• Recife —   Municipality   The Municipality of Recife From upper left: Old centre of Recife; Recife …   Wikipedia