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PEB – 1942 – 2026
LASERPHACO PROBE Bath Patent — 1988 · US Patent No. 4,744,360 CORNEA CRYSTALLINE LENS RETINA OPTIC DISC IRIS MACULA MUSEUM OF MINDS Subject: Ocular Anatomy & Laserphaco Probe BATH · PEB–1942–2026 SCALE: SCHEMATIC FIG. 1 © 1988 · US Pat. 4,744,360 REV A N schematic (not to scale)
Museum of Minds — Permanent Collection
Patricia
Era Bath
1942 — 2019
Portrait of Patricia Bath
Portrait Not Available
Ophthalmologist · Inventor · Humanitarian

Patricia Era Bath was born in Harlem in 1942, the daughter of a Trinidad-born merchant seaman and a woman who worked to finance her education. She entered medicine at a time when both her race and her gender were treated as disqualifications — and proceeded to transform it.

In 1988, she received U.S. Patent No. 4,744,360 for the Laserphaco Probe — a device using laser energy to dissolve cataracts and restore vision — becoming the first Black American woman to receive a medical patent. American institutions had refused to support the research; she completed it in Europe.

She restored sight to the blind — then had to fight just to enter the rooms where medicine was practiced.

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Dr. Bath argued that the fundamental cause of blindness — especially among Black and underserved communities — was not lack of medical knowledge but lack of access. In 1976 she proposed Community Ophthalmology as a discipline, a field that treated unequal vision care as a public health emergency requiring structural correction.

She spent decades navigating institutions that doubted her at every threshold: barred from laboratories, passed over for appointments, told her research had no future. She persisted anyway, patenting a device that allowed surgeons to restore sight to patients who had been blind for thirty years or more.

The ability to restore sight is the ultimate reward of a human being. Eyesight is a basic human right.

Ask her about the Laserphaco Probe's origins in European labs, whether community ophthalmology has been realized by AI screening tools, what it means to patent a technology that heals, and whether the American medical system has fundamentally changed — or merely diversified its gatekeepers.

Medical Innovation Patent Law Health Equity Ophthalmology Racial Justice Community Medicine Laser Technology
Do not allow anyone to intimidate or deter you from attaining your goals. If you have a dream, follow it — even if it requires going around the world to do so. — Patricia Bath  ·  Interview, California Newsreel, 2001
Corpus — Primary Sources & Historical Record
U.S. Patent No. 4,744,360 — Laserphaco Probe (1988)
Bath, P.E. — "Blindness Prevention: A Community Ophthalmology Approach" (1976)
Bath, P.E. — American Journal of Ophthalmology publications (1970s–1990s)
Founding documents, American Institute for the Prevention of Blindness (1976)
National Inventor Hall of Fame — Induction citation (2000)
California Newsreel interview transcript — "At the Boundaries" (2001)
Howard University College of Medicine records (class of 1968)
UCLA Jules Stein Eye Institute faculty record & correspondence
Charles R. Drew University of Medicine and Science — faculty record
National Library of Medicine biographical monograph (2015)
Archives — Helmholtz-Institut, Berlin (Laserphaco research period)
Columbia University Harlem Hospital case records — glaucoma prevalence study