Multiple choice general knowledge science & technology

Who invented Bifocal Lens?

  1. Alfred B. Nobel

  2. Thomas Alva Edison

  3. Benjamin Franklin

  4. Rudolf Diesel
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Benjamin Franklin invented bifocal glasses around 1784-1790 to correct both near and distant vision. He famously wrote about being able to see both distant objects and read with the same spectacles.

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