1700
I believe he was the man who invented the first bifocal glasses ever.
Pompey lamb invented the first bifocal glasses ever and so that's how he was famous for his work.
Benjamin Franklin
He invented many useful items and have a vivid imagination. He owned stores and shops. He invented things; such as: glass armonica, bifocal glasses, created first firehouse, library, and hospitle in the US. He had many other inventions and other hobbies....
The first pair of eyeglasses were invented in 1285. But That was only when the first pair of farsighted glasses were invented. The first pair of nearsighted glasses were invented in about 1430. Only higher class people could afford them. -00-
Benjamin Franklin is credited with starting the first lending library and first fire department in the US. He also invented bifocal glasses and an effective heating stove.
lizzards
benjemen franklen
Ernest Calabro The first use of 3D glasses was in 1922 for the movie "Power of Love".
The bifocals have changed alot since they were first invented. They have changed into different sizes, shapes and forms. They had also changed into sunglasses.:)
Benjamin Franklin is credited with creating the first bifocal eyeglasses.
yes it has changed a lot