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Krypton is used in different forms for many applications in the medical industry. Krypton lasers are commonly employed for laser eye surgery. The laser is used to help prevent blood clotting in the eye as surgery is performed.
Although traces of krypton are found in various minerals, the most important source of krypton is Earth's atmosphere. Air is also the most important source for the other noble gases, with the exception of helium (obtained from natural gas) and radon (obtained as a byproduct of the decay of radioactive elements).rypton (symbol Kr) Gaseous nonmetallic element that is a noble gas. Discovered in 1898, krypton makes up about 0.0001% of the Earth 's atmosphere by volume and is obtained by the fractional distillation of liquid air. It is used in fluorescent lamps, lasers and in electronic heart valves. Properties: at.no.