bifocal (adjective)

1. The protagonist in the novel discovered a pair of bifocal glasses that allowed them to see the spirits of the dead.

2. The religious leader wore bifocal lenses as a symbol of their ability to focus on both earthly matters and spiritual matters.

3. Why did the scientist wear bifocal glasses? Because they wanted to keep an eye on the microscope and the whiteboard at the same time!

4. Benjamin Franklin, an inventor and statesman, is known for his contribution to bifocal lenses, enabling individuals to correct both nearsightedness and farsightedness in one pair of glasses.