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BIOTECHNOLOGY

Bionic Vision Realized: PRIMA Subretinal Chip Restores Reading to the Blind

Science Corp validated its PRIMA subretinal photovoltaic micro-implant in 38 blind patients with geographic atrophy.

Alex Carter
Alex Carter
Sep 18, 2026•3 min read
Bionic Vision Realized: PRIMA Subretinal Chip Restores Reading to the Blind

Overview

👁 Visual Acuity Gain: Patients demonstrated average improvements of over 5 lines on standard charts.

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Photovoltaic Autonomy
Chip 2 × 2 mm operates without external wiring via focused near-infrared delivery.

Neural Visual Prosthetics (Before ➔ Now)

Было: Irreversible central blindness caused by macular geographic atrophy ➔ Стало: Functional restitution of object vision and printed text reading

Было: Bulky wired implants with high risk of surgical rejection ➔ Стало: Wireless 2x2 mm subretinal crystal powered by near-infrared beams

Overview

Array Size: 381 photodiodes

Chip Dimension: 2 × 2 mm (30 μm)

Acuity Gain: +5 chart lines

Interface: Wireless near-infrared