Inventor of Bifocal Lenses

The Bifocal Lenses, which were eyeglasses with the top half for viewing distances and the bottom half for reading, were one of Franklin's most important innovations. Franklin had to wear a variety of spectacles to deal with his vision problems when he was younger. He was inspired to create the bifocal lens as a result of this. This is a lens that lets you change your appearance depending on which half of the lens you're looking through. This indicates that the lens's bottom and top are not identical.


Franklin chose to use his lenses to see the expressions of the French speakers in court because that was the only way he could comprehend them. Historians have suggested that others may have invented bifocals before Franklin; nevertheless, correspondence between George Whatley and John Fenno, editors of the United States Gazette, reveals that Franklin invented bifocals 50 years earlier than previously assumed. The term bifocal was coined in 1824 by John Isaac Hawkins, the developer of the trifocal lens, and is credited to Benjamin Franklin. Franklin's bifocal design has virtually stayed untouched until the present day.


It can be said that Franklin is a multi-talented person, not only involved in politics or writing, but he is also a great inventor. His inventions and inventions have helped people a lot not only in the past but also in the present. The invention of bifocal lenses is considered one of the major accomplishments of Benjamin Franklin.

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Photo: https://www.fi.edu/
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