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In ordinary LEDs, abundant electrons in the central layer combine with so-called holes, or absences of electrons, to release a blaze of light. Using similar techniques, additional strips of rubber were cut from the central layer of section B (sample designated 5) and section E (sample designated 4). Pulsing at a speed of one-quadrillionth of a second, the ultra-fast IntraLase FS laser uses an infrared beam of laser light to separate tissue at the molecular level by precisely positioning a series of microscopic bubbles within the central layer of the cornea. |
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