bifocal
bifocal
Definition
☆ bi·fo·cal (bī fō′kəl, bī′fō′-)
adjective
adjusted to two different focal lengths
noun
a lens, esp. for eyeglasses, with one part ground for close focus, as for reading, and the other ground for distance
bifocal
Usage Examples
Modifies a noun
- lens: Your optician will have advised you whether bifocal lenses are a suitable choice for your needs.
- glass: Bifocal glasses can contribute to balance problems for some people.
- spectacle: If you wear bifocal spectacles you end up like a nodding donkey trying to focus on different parts of a screen!
- option: Some frame styles are not suitable for bifocal lenses and, on the website, these do not offer the bifocal option.
