Patricia Bath: Cataract Laserphaco Probe

bath

In 1981, Bath began working on her most well-known invention: the Laserphaco Probe (1986). Harnessing laser technology, the device created a less painful and more precise treatment of cataracts. She received a patent for the device in 1988, becoming the first African-American female doctor to receive a patent for a medical purpose. (She also holds patents in Japan, Canada and Europe.) With her Laserphaco Probe, Bath was able to help restore the sight of individuals who had been blind for more than 30 years.

http://www.biography.com/people/patricia-bath-21038525#pioneer-in-ophthalmology

https://www.nlm.nih.gov/changingthefaceofmedicine/physicians/biography_26.html

http://teacher.scholastic.com/activities/bhistory/inventors/bath.htm

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