Trifocals are a step ahead of bifocals Contrary to bifocals and as the name suggests, they allow you to see at three levels of magnification...

Trifocals are a special type of reading glasses In these, you get three divisions on the lens for correction of vision, unlike bifocals, where you have just two such divisions...

Eyeglasses with three divisions of correction in the lenses are called trifocals These are considered to be better than bifocals even if it sounds harder to see through...

Someone having many vision problems needs to have multifocal glasses and amidst the various multifocal lenses, most people have a yearning for bifocals...