Bifocal glasses refer to those having one section that corrects for distant vision and another section that corrects for near vision and Benjamin Franklin is believed to be the one who invents bifocals. The reason why it is called bifocal derives from its special designation of the two lenses of different...

1th Section In my first section,as an eye care specialist advice you to use spectacles.They are very safe and low risk. It is only possible to break glasses. And with a good eye examinatin and a suitable spectacle selection, you can confidence that you have safe eyes. You will wear spectacle in the morning...