If you’ve delved into the worlds of “Star Trek,” “The Terminator” or William Gibson’s cyberpunk novel “Neuromancer,” you’ll know that enhanced electronic vision is a staple of science fiction. Now, what was once futuristic fiction is becoming a reality.
Researchers have developed bionic eyes that can restore some lost vision. These devices’ capabilities are currently basic, but they have been steadily improving in recent years.
One day, they might even offer features that transcend the limits of natural human eyesight—for instance, by manipulating images in a way the human eye cannot or by seeing beyond the spectrum of visible light.
To date, implants have focused on combating problems with the retina, the light-sensing layer of cells insid...
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