Rangaswamy Srinivasan is an inventor at IBM Research

IBM Research

IBM Research, a division of IBM, is a research and advanced development organization and currently consists of eight locations throughout the world and hundreds of projects....

. One of the famous inventions he has contributed to is LASIK

LASIK

LASIK or Lasik , commonly referred to simply as laser eye surgery, is a type of refractive surgery for correcting myopia, hyperopia, and astigmatism...

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Ablative Photodecomposition

In 1981, Rangaswamy discovered that an ultraviolet

Ultraviolet

Ultraviolet light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV...

 excimer laser

Excimer laser

An excimer laser is a form of ultraviolet laser which is commonly used in the production of microelectronic devices , eye surgery, and micromachining....

 can be used to etch a living tissue precisely without causing any thermal damage to surrounding area. He named it Ablative Photodecomposition (APD).

LASIK

In 1983, Rangaswamy collaborated with an ophthalmic surgeon to use APD for a surgery of the cornea. This led to development of LASIK

LASIK

LASIK or Lasik , commonly referred to simply as laser eye surgery, is a type of refractive surgery for correcting myopia, hyperopia, and astigmatism...

. In 1998, Rangaswamy was awarded the Biological Physics Prize

Max Delbruck Prize

The Max Delbruck Prize, formerly known as the Biological physics prize, is awarded by the Division of Biological Physics of the American Physical Society, to recognize and encourage outstanding achievement in biological physics research. The prize was established in 1981, and renamed for Max...

 by the American Physical Society

American Physical Society

The American Physical Society is the world's second largest organization of physicists, behind the Deutsche Physikalische Gesellschaft. The Society publishes more than a dozen scientific journals, including the world renowned Physical Review and Physical Review Letters, and organizes more than 20...

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