Accessibility & Assistive

Mark S. Humayun

Argus II retinal prosthesis

United StatesEvidence: high confidenceChecked July 2026

Mark S. Humayun co-invented the Argus II retinal prosthesis, which combines an eyeglass-mounted camera, processing unit and implanted electronic array. USC identifies it as the first FDA-approved implanted electronic device to restore some functional vision for blind patients, giving people with retinitis pigmentosa usable visual perception.

01

What Mark did

Co-invented and co-developed the Argus II implanted retinal-prosthesis system.

02

Why it matters

Argus II was the first FDA-approved implanted electronic device to re-establish functional vision for blind patients.

03

Living-status check

USC's current Institute for Biomedical Therapeutics faculty page lists Humayun as director and describes his team developing the next generation of Argus II in 2026.