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First African American to complete a residency in ophthalmology. She graduated from high school in two years and then attended Howard University to obtain her medical degree.

Invented the Laserphaco Probe for cataract treatment. This device used lasers and helped to create a less painful and a more precise treatment for cataracts. This made her the first African American female to earn a patent for a medical purpose.

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She had to overcome racism, sexism, and relative poverty while living in Harlem and throughout her career.