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Nice to Know:
Interesting Eye Facts
The eye cannot be transplanted. It is connected to the brain by the optic nerve , which cannot be "reconnected" if severed. The cornea, which is the clear front part of the eye, can be transplanted. Surgeons often use plastic intraocular lens implants (IOLs) to replace natural lenses removed during cataract surgery.
- Color exists only in our heads. Without the brain's ability to interpret the intricate and individual way light is reflected off every object in nature, the world would be entirely colorless.
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