Question
Here is the question : WHAT OPTICAL TECHNOLOGY WAS INVENTED BY BENJAMIN FRANKLIN?
Option
Here is the option for the question :
- Contact lenses
- Lasik surgery
- Prescription sunglasses
- Bifocals
The Answer:
And, the answer for the the question is :
Explanation:
Benjamin Franklin, an early American patriot and prolific inventor, is credited with developing bifocals. Franklin told a friend in 1784, “I am happy in the invention of double spectacles, which serving for distant objects as well as near ones, make my eyes as useful to me as ever they were.” Evidence suggests that people in Franklin’s inner circle began donning them in the 1760s.
Benjamin Franklin was a polymath and inventor who made significant contributions in a wide range of fields, including science, politics, and literature. One of his most famous inventions was bifocals, a type of eyeglass that features two different lenses for correcting vision at different distances.
Franklin’s invention of bifocals was the result of his own struggles with vision problems. As he grew older, he found that he needed glasses for both reading and distance vision, and he was frustrated by having to switch between two different pairs of glasses. In response, he began experimenting with different lenses and eventually came up with the idea of a bifocal lens that could correct for both types of vision.
Franklin’s bifocal lens featured a small reading lens at the bottom of the lens and a larger lens for distance vision at the top. The two lenses were separated by a visible line, which made it easy for the wearer to switch between the two lenses depending on their needs.
Franklin’s invention of bifocals was significant not only because it helped to improve the lives of people with vision problems, but also because it demonstrated his innovative approach to problem-solving. Franklin was always looking for practical solutions to the challenges of everyday life, and his invention of bifocals was just one example of his ingenuity and creativity.
bifocals and other types of multifocal lenses are widely used to correct vision problems in people of all ages. Franklin’s invention helped to establish the idea that eyeglasses could be both functional and fashionable, and it helped to pave the way for further innovations in the field of optics and vision correction. Franklin’s legacy as an inventor and innovator continues to be celebrated today, and his contributions to science and technology remain an important part of his enduring legacy.