Solve this multiple-choice question and choose the correct option.

Bifocal lenses: Identify the inventor popularly credited with their creation. Full question: Who invented the bifocal lens? Choose the correct option.

Difficulty: Easy

Benjamin Franklin
Isaac Newton
Galileo Galilei
Christiaan Huygens

Correct Answer: Benjamin Franklin

Explanation:

Given data

Device: Bifocal spectacles (distance + near segments).

Concept / Approach Benjamin Franklin is widely credited with inventing bifocals in the late 18th century to avoid switching between glasses for near and far vision.

Final Answer Benjamin Franklin.

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