The Human Eye | Socyberty

The Human Eye | Socyberty

The human eyes are complicated machinery. Scientists struggled for centuries to learn the mechanism of sight. In spite of knowing so little, they performed surgeries the 2nd century B.C. that worked. People were wearing glasses by the 13th century, although nobody knew how they helped the eye to see. They simply went to the market place and tried on glasses until they found a pair that helped them see better.

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