Question of The Day27-12-2022
Who invented the bifocal lenses?
Answer
Correct Answer : b ) Benjamin Franklin
Explanation :Benjamin Franklin invented the bifocal lenses. Bifocals are eyeglasses with two different optical powers. Bifocals are generally used by people with presbyopia who also need correction for myopia, hyperopia, and/or astigmatism.
John Isaac Hawkins invented the trifocal lenses and also coined the term bifocals in 1824.
Hence, option (b) is correct.
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