trifocal Definition
having or relating to lenses with three different focal lengths, used especially for correcting vision at different distances.
Using trifocal: Examples
Take a moment to familiarize yourself with how "trifocal" can be used in various situations through the following examples!
Example
He needs trifocal glasses to read, drive, and watch TV.
Example
Trifocal lenses are more expensive than bifocal lenses.
Example
The optometrist recommended trifocal contact lenses for her patient.
📌
Summary: trifocal in Brief
The term 'trifocal' [trahy-foh-kuh l] refers to lenses with three different focal lengths, often used to correct vision at different distances. Trifocal lenses are more expensive than bifocal lenses and can be used in glasses or contact lenses.
