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....
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
Ernest Calabro The first use of 3D glasses was in 1922 for the movie "Power of Love".
Ben Franklin was the inventor of the first bifocals.
yes it has changed a lot
Nothing's changed
no they have not
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-