Bifocal

Common synonyms include: bifocals, dual focus, dual lens, presbyopic, two domain design, two focal lenses.

adj

adj ·3 syllables ·Rare ·Advanced level

Definitions

Adjective

1
Having two focal lengths. not-comparable
"His hair is black and well greased, with individual strands of gray, and he wears wire-rimmed bifocals with a subtle brownish tint."
2
Divided into two parts, one of which corrects for distance vision and the other for near vision. not-comparable

Adjective

"For instance, he invented bifocal lenses because it annoyed him to switch glasses depending on what he wanted to see."

From bi- + focal.