Did You Know?


The idea of contact lenses was first introduced by Leonardo da Vinci in 1508.

The idea of contact lenses was first introduced by Leonardo da Vinci in 1508.

Leonardo da Vinci is frequently credited with introducing the idea of contact lenses in his 1508 Codex of the eye, Manual D, wherein he described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye. Neither idea was practically implementable in da Vinci's time. He did not suggest his idea be used for correcting vision; he was more interested in exploring mechanisms of accommodation.


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