Unverified50% confidenceFactExact time
The core optical principle of traditional corneal topographers derives from Placido disc technology, invented by Portuguese ophthalmologist António Plácido in the 1880s.
1
Sources
50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
以人为本的AI：医疗与设计领域的真实落地实践
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