How do bifocals work?

Answer The first eyeglasses to correct vision were created in the Middle Ages. Lenses to correct farsightedness came into being in the late 1200s, while those to correct nearsightedness were developed in ... Read More »

Top Q&A For: How do bifocals work

Has anyone ever had bifocals cause nausea?

I apologize Walt, looks like my Tatas cause blindness in some...but relax even if you can't see em anymore, I'll let you play Tune in Tokyo with em. You won't suffer from nausea after that.

Can bifocals be outgrown?

As a teenager, you should have the ability to accommodate. There are reasons why some teens can't. These are usually temporary. Most people wearing bifocals at 18 won't be wearing them at 25.

How long does it take to get used to bifocals?

Adjusting to bifocal eyeglasses will take longer than adapting to single vision glasses. Bifocal wearers can take many days to get use to a new prescription. Wearing your bifocals full-time can hel... Read More »

How are bifocals used today?

Prior to the invention of bifocals, people with presbyopia (both near and farsightedness) needed two pairs of glasses, one for reading and one for seeing objects in the distance, according to Firmo... Read More »