Bifocals
Benjamin Franklin invented the bifocals. He invented it on 1200’s. Benjamin invention helps see more clearly and it is only prescribed to people with presbyopia a condition that Franklin suffered. The bifocals has an upper and lower half. The upper half help’s see for long distance. the lower half help’s see for reading(http://www.ushistory.org/franklin/info/inventions.htm).
Franklin invented his own widely used devices or found innovative way to improve on other people’s inventions (blog.constitutioncenter.org/2013/1/ben-franklin-best-invention-and-innovations/).Franklin change people’s lives by make one bifocals in one (www.answer.com /Q/How _did_bifocals_change_the_world). People have trouble seeing things so they made a eyeglasses that you can see from far away distance and close up distance.
It affect on society/the country/and the world is because that people that can’t see things clearly and Benjamin Franklin help people by seeing things more clearly.We use it today to see things more clearly and see things from far away distance. It is so important to me because it help people see thing clearly.
Benjamin Franklin invented the bifocals. He invented it on 1200’s. Benjamin invention helps see more clearly and it is only prescribed to people with presbyopia a condition that Franklin suffered. The bifocals has an upper and lower half. The upper half help’s see for long distance. the lower half help’s see for reading(http://www.ushistory.org/franklin/info/inventions.htm).
Franklin invented his own widely used devices or found innovative way to improve on other people’s inventions (blog.constitutioncenter.org/2013/1/ben-franklin-best-invention-and-innovations/).Franklin change people’s lives by make one bifocals in one (www.answer.com /Q/How _did_bifocals_change_the_world). People have trouble seeing things so they made a eyeglasses that you can see from far away distance and close up distance.
It affect on society/the country/and the world is because that people that can’t see things clearly and Benjamin Franklin help people by seeing things more clearly.We use it today to see things more clearly and see things from far away distance. It is so important to me because it help people see thing clearly.