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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.
Green Kryptonite: Green Kryptonite can weaken a Kryptonian's physical attributes, however, the radiation effects of green kryptonite are harmful to humans given sufficient long-term exposure, resulting in cancer.