How the human eye sees
Chapter 1
The gateway of light
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Chapter 2
The brain's darkroom
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Chapter 3
The spectrum of color
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Chapter 4
Vision variations and future tech
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YOUR GOAL
Master of How the human eye sees
Ch 4 · Vision variations and future tech
Fun Fact
Laser surgery: LASIK eye surgery reshapes the cornea using a cool ultraviolet laser beam, taking less than ten minutes per eye.
Glossary
bionic eye (noun)
An electronic device implanted in the eye to restore some degree of vision to those with severe sight loss. In 2013, the FDA approved the Argus II, a pioneering device restoring sight to blind patients.
An electronic device implanted in the eye to restore some degree of vision to those with severe sight loss. In 2013, the FDA approved the Argus II, a pioneering device restoring sight to blind patients.